Align Technology Inc NASDAQ:ALGN Historical Prices

Below are the 5808 trading days of historical prices for ALGN.

# Exchange Symbol Date Open High Low Close
5808 NASDAQ ALGN Fri, Mar 1, 2024 301.36 304.63 297.24 300.01
5807 NASDAQ ALGN Thu, Feb 29, 2024 303.10 306.80 301.65 302.42
5806 NASDAQ ALGN Wed, Feb 28, 2024 308.87 309.40 302.06 302.39
5805 NASDAQ ALGN Tue, Feb 27, 2024 311.79 313.71 308.14 313.06
5804 NASDAQ ALGN Mon, Feb 26, 2024 312.90 316.91 310.74 310.84
5803 NASDAQ ALGN Fri, Feb 23, 2024 315.35 321.83 314.06 316.88
5802 NASDAQ ALGN Thu, Feb 22, 2024 305.44 317.25 303.58 316.56
5801 NASDAQ ALGN Wed, Feb 21, 2024 307.81 309.11 300.08 304.65
5800 NASDAQ ALGN Tue, Feb 20, 2024 304.33 314.70 303.01 313.53
5799 NASDAQ ALGN Fri, Feb 16, 2024 307.19 314.32 305.08 308.77
5798 NASDAQ ALGN Thu, Feb 15, 2024 307.36 312.48 305.43 309.77
5797 NASDAQ ALGN Wed, Feb 14, 2024 295.33 303.13 293.30 302.75
5796 NASDAQ ALGN Tue, Feb 13, 2024 290.97 296.17 288.34 292.32
5795 NASDAQ ALGN Mon, Feb 12, 2024 294.71 303.88 294.71 302.44
5794 NASDAQ ALGN Fri, Feb 9, 2024 292.83 298.54 291.06 296.37
5793 NASDAQ ALGN Thu, Feb 8, 2024 285.37 296.60 283.67 295.00
5792 NASDAQ ALGN Wed, Feb 7, 2024 288.18 291.04 282.59 284.73
5791 NASDAQ ALGN Tue, Feb 6, 2024 276.50 293.92 276.02 288.44
5790 NASDAQ ALGN Mon, Feb 5, 2024 272.06 276.42 267.93 275.58
5789 NASDAQ ALGN Fri, Feb 2, 2024 270.00 277.29 263.85 273.90
5788 NASDAQ ALGN Thu, Feb 1, 2024 303.00 308.00 266.30 273.38
5787 NASDAQ ALGN Wed, Jan 31, 2024 264.55 274.00 262.00 267.32
5786 NASDAQ ALGN Tue, Jan 30, 2024 267.78 271.00 264.05 264.74
5785 NASDAQ ALGN Mon, Jan 29, 2024 263.14 274.80 263.14 270.39
5784 NASDAQ ALGN Fri, Jan 26, 2024 264.55 269.85 262.60 264.28
5783 NASDAQ ALGN Thu, Jan 25, 2024 261.34 262.57 254.28 262.11
5782 NASDAQ ALGN Wed, Jan 24, 2024 269.00 269.00 257.05 257.07
5781 NASDAQ ALGN Tue, Jan 23, 2024 274.10 274.10 264.26 266.43
5780 NASDAQ ALGN Mon, Jan 22, 2024 269.00 273.38 266.05 271.61
5779 NASDAQ ALGN Fri, Jan 19, 2024 264.20 267.21 260.45 266.34
5778 NASDAQ ALGN Thu, Jan 18, 2024 264.09 264.68 259.22 264.51
5777 NASDAQ ALGN Wed, Jan 17, 2024 261.00 264.79 256.81 259.56
5776 NASDAQ ALGN Tue, Jan 16, 2024 268.50 268.92 264.58 267.46
5775 NASDAQ ALGN Fri, Jan 12, 2024 276.36 279.15 270.13 271.64
5774 NASDAQ ALGN Thu, Jan 11, 2024 276.89 280.22 273.85 276.36
5773 NASDAQ ALGN Wed, Jan 10, 2024 277.00 279.94 271.22 276.79
5772 NASDAQ ALGN Tue, Jan 9, 2024 269.34 281.94 268.68 277.52
5771 NASDAQ ALGN Mon, Jan 8, 2024 264.81 275.00 263.78 273.94
5770 NASDAQ ALGN Fri, Jan 5, 2024 259.00 269.75 259.00 264.68
5769 NASDAQ ALGN Thu, Jan 4, 2024 255.00 263.19 253.20 261.36
5768 NASDAQ ALGN Wed, Jan 3, 2024 263.59 263.72 250.28 256.22
5767 NASDAQ ALGN Tue, Jan 2, 2024 271.00 272.86 266.07 268.92
5766 NASDAQ ALGN Fri, Dec 29, 2023 275.13 278.00 272.99 274.00
5765 NASDAQ ALGN Thu, Dec 28, 2023 274.63 279.00 274.14 276.67
5764 NASDAQ ALGN Wed, Dec 27, 2023 274.19 276.22 272.72 275.28
5763 NASDAQ ALGN Tue, Dec 26, 2023 272.46 276.51 269.34 274.19
5762 NASDAQ ALGN Fri, Dec 22, 2023 275.40 276.09 269.15 271.87
5761 NASDAQ ALGN Thu, Dec 21, 2023 267.19 274.84 267.01 274.10
5760 NASDAQ ALGN Wed, Dec 20, 2023 266.18 271.09 261.78 262.08
5759 NASDAQ ALGN Tue, Dec 19, 2023 262.72 270.31 262.66 268.31
5758 NASDAQ ALGN Mon, Dec 18, 2023 254.52 267.22 253.60 261.69
5757 NASDAQ ALGN Fri, Dec 15, 2023 257.28 262.62 251.57 255.01
5756 NASDAQ ALGN Thu, Dec 14, 2023 245.00 264.58 245.00 257.02
5755 NASDAQ ALGN Wed, Dec 13, 2023 218.15 231.54 217.32 231.36
5754 NASDAQ ALGN Tue, Dec 12, 2023 219.36 219.49 212.87 217.47
5753 NASDAQ ALGN Mon, Dec 11, 2023 215.00 221.67 214.80 218.68
5752 NASDAQ ALGN Fri, Dec 8, 2023 215.86 222.05 214.90 221.23
5751 NASDAQ ALGN Thu, Dec 7, 2023 216.82 218.49 214.11 216.61
5750 NASDAQ ALGN Wed, Dec 6, 2023 218.25 219.00 215.32 216.87
5749 NASDAQ ALGN Tue, Dec 5, 2023 217.17 217.98 211.80 215.35
5748 NASDAQ ALGN Mon, Dec 4, 2023 218.00 220.80 214.93 219.60
5747 NASDAQ ALGN Fri, Dec 1, 2023 213.30 225.19 212.41 220.45
5746 NASDAQ ALGN Thu, Nov 30, 2023 216.73 217.85 211.63 213.80
5745 NASDAQ ALGN Wed, Nov 29, 2023 217.00 221.65 215.94 216.48
5744 NASDAQ ALGN Tue, Nov 28, 2023 216.75 216.75 212.56 214.14
5743 NASDAQ ALGN Mon, Nov 27, 2023 217.73 218.46 215.74 216.75
5742 NASDAQ ALGN Fri, Nov 24, 2023 218.11 220.95 217.79 219.48
5741 NASDAQ ALGN Wed, Nov 22, 2023 217.37 221.17 216.75 217.29
5740 NASDAQ ALGN Tue, Nov 21, 2023 215.55 216.08 213.08 215.30
5739 NASDAQ ALGN Mon, Nov 20, 2023 206.10 216.03 206.10 215.24
5738 NASDAQ ALGN Fri, Nov 17, 2023 204.51 208.13 203.00 206.64
5737 NASDAQ ALGN Thu, Nov 16, 2023 209.61 212.98 202.60 203.12
5736 NASDAQ ALGN Wed, Nov 15, 2023 203.50 212.96 203.50 205.06
5735 NASDAQ ALGN Tue, Nov 14, 2023 199.79 205.70 198.84 202.72
5734 NASDAQ ALGN Mon, Nov 13, 2023 191.20 193.46 190.75 191.22
5733 NASDAQ ALGN Fri, Nov 10, 2023 189.81 192.69 186.01 192.13
5732 NASDAQ ALGN Thu, Nov 9, 2023 194.97 194.97 186.12 187.34
5731 NASDAQ ALGN Wed, Nov 8, 2023 197.67 197.67 192.04 193.62
5730 NASDAQ ALGN Tue, Nov 7, 2023 198.07 199.65 196.02 197.52
5729 NASDAQ ALGN Mon, Nov 6, 2023 202.00 202.64 197.10 197.77
5728 NASDAQ ALGN Fri, Nov 3, 2023 194.60 202.97 194.60 197.44
5727 NASDAQ ALGN Thu, Nov 2, 2023 188.95 193.51 184.89 192.32
5726 NASDAQ ALGN Wed, Nov 1, 2023 183.74 184.06 178.52 183.21
5725 NASDAQ ALGN Tue, Oct 31, 2023 188.09 189.54 183.50 184.59
5724 NASDAQ ALGN Mon, Oct 30, 2023 192.66 194.12 176.34 186.74
5723 NASDAQ ALGN Fri, Oct 27, 2023 192.51 197.47 185.55 190.94
5722 NASDAQ ALGN Thu, Oct 26, 2023 196.90 201.06 187.21 190.56
5721 NASDAQ ALGN Wed, Oct 25, 2023 263.00 264.45 252.33 253.69
5720 NASDAQ ALGN Tue, Oct 24, 2023 264.64 267.93 262.75 265.46
5719 NASDAQ ALGN Mon, Oct 23, 2023 266.68 269.62 265.25 265.72
5718 NASDAQ ALGN Fri, Oct 20, 2023 271.27 272.90 266.67 269.88
5717 NASDAQ ALGN Thu, Oct 19, 2023 271.57 275.29 268.96 270.29
5716 NASDAQ ALGN Wed, Oct 18, 2023 272.43 274.73 269.09 272.40
5715 NASDAQ ALGN Tue, Oct 17, 2023 270.93 278.38 270.93 276.76
5714 NASDAQ ALGN Mon, Oct 16, 2023 269.97 275.39 264.64 272.36
5713 NASDAQ ALGN Fri, Oct 13, 2023 268.00 270.73 263.56 265.99
5712 NASDAQ ALGN Thu, Oct 12, 2023 278.00 278.20 265.62 268.00
5711 NASDAQ ALGN Wed, Oct 11, 2023 285.04 286.94 276.09 277.52
5710 NASDAQ ALGN Tue, Oct 10, 2023 285.03 291.69 282.48 286.51
5709 NASDAQ ALGN Mon, Oct 9, 2023 280.81 284.77 277.00 283.94
5708 NASDAQ ALGN Fri, Oct 6, 2023 276.28 287.68 275.37 284.64
5707 NASDAQ ALGN Thu, Oct 5, 2023 291.70 292.00 276.49 280.18
5706 NASDAQ ALGN Wed, Oct 4, 2023 292.03 292.44 286.47 291.70
5705 NASDAQ ALGN Tue, Oct 3, 2023 296.05 301.77 288.41 290.61
5704 NASDAQ ALGN Mon, Oct 2, 2023 302.97 305.36 296.03 299.76
5703 NASDAQ ALGN Fri, Sep 29, 2023 309.37 311.79 303.57 305.32
5702 NASDAQ ALGN Thu, Sep 28, 2023 300.91 310.75 300.91 307.51
5701 NASDAQ ALGN Wed, Sep 27, 2023 300.00 303.93 297.12 301.68
5700 NASDAQ ALGN Tue, Sep 26, 2023 296.31 300.99 295.33 299.01
5699 NASDAQ ALGN Mon, Sep 25, 2023 298.08 298.55 293.42 298.02
5698 NASDAQ ALGN Fri, Sep 22, 2023 301.71 303.96 297.09 298.56
5697 NASDAQ ALGN Thu, Sep 21, 2023 305.70 305.70 298.87 300.28
5696 NASDAQ ALGN Wed, Sep 20, 2023 318.21 319.00 309.44 309.50
5695 NASDAQ ALGN Tue, Sep 19, 2023 324.30 326.07 316.68 318.00
5694 NASDAQ ALGN Mon, Sep 18, 2023 331.13 332.49 325.08 325.32
5693 NASDAQ ALGN Fri, Sep 15, 2023 332.42 335.73 326.49 332.09
5692 NASDAQ ALGN Thu, Sep 14, 2023 329.38 334.43 325.07 332.84
5691 NASDAQ ALGN Wed, Sep 13, 2023 320.79 324.54 316.32 322.41
5690 NASDAQ ALGN Tue, Sep 12, 2023 330.97 334.24 321.66 322.29
5689 NASDAQ ALGN Mon, Sep 11, 2023 335.18 335.18 335.18 335.18
5688 NASDAQ ALGN Fri, Sep 8, 2023 339.61 342.00 330.36 332.26
5687 NASDAQ ALGN Thu, Sep 7, 2023 367.71 367.71 339.77 340.93
5686 NASDAQ ALGN Wed, Sep 6, 2023 367.86 370.41 365.25 369.70
5685 NASDAQ ALGN Tue, Sep 5, 2023 374.90 374.90 367.00 368.63
5684 NASDAQ ALGN Fri, Sep 1, 2023 375.14 375.68 369.01 374.90
5683 NASDAQ ALGN Thu, Aug 31, 2023 372.50 374.46 369.71 370.14
5682 NASDAQ ALGN Wed, Aug 30, 2023 371.11 374.87 369.61 370.86
5681 NASDAQ ALGN Tue, Aug 29, 2023 358.15 368.00 356.91 367.62
5680 NASDAQ ALGN Mon, Aug 28, 2023 360.49 360.73 356.45 358.66
5679 NASDAQ ALGN Fri, Aug 25, 2023 351.00 357.02 348.44 356.35
5678 NASDAQ ALGN Thu, Aug 24, 2023 366.72 369.50 350.53 350.71
5677 NASDAQ ALGN Wed, Aug 23, 2023 353.55 362.87 353.55 359.48
5676 NASDAQ ALGN Tue, Aug 22, 2023 342.52 353.50 342.00 351.63
5675 NASDAQ ALGN Mon, Aug 21, 2023 351.00 351.94 342.28 342.59
5674 NASDAQ ALGN Fri, Aug 18, 2023 345.49 352.43 344.25 350.36
5673 NASDAQ ALGN Thu, Aug 17, 2023 360.61 360.61 348.02 349.18
5672 NASDAQ ALGN Wed, Aug 16, 2023 359.57 361.57 357.73 358.54
5671 NASDAQ ALGN Tue, Aug 15, 2023 359.84 364.70 356.21 361.05
5670 NASDAQ ALGN Mon, Aug 14, 2023 351.33 360.67 349.65 360.49
5669 NASDAQ ALGN Fri, Aug 11, 2023 343.90 354.56 342.20 352.88
5668 NASDAQ ALGN Thu, Aug 10, 2023 354.35 357.14 345.88 347.23
5667 NASDAQ ALGN Wed, Aug 9, 2023 358.73 359.88 352.67 352.80
5666 NASDAQ ALGN Tue, Aug 8, 2023 357.57 359.13 353.53 357.75
5665 NASDAQ ALGN Mon, Aug 7, 2023 361.86 364.61 358.30 361.25
5664 NASDAQ ALGN Fri, Aug 4, 2023 366.99 369.71 359.72 361.44
5663 NASDAQ ALGN Thu, Aug 3, 2023 363.22 367.40 362.19 366.24
5662 NASDAQ ALGN Wed, Aug 2, 2023 372.00 372.65 363.30 367.40
5661 NASDAQ ALGN Tue, Aug 1, 2023 374.68 379.73 372.61 376.62
5660 NASDAQ ALGN Mon, Jul 31, 2023 384.90 384.90 376.01 377.89
5659 NASDAQ ALGN Fri, Jul 28, 2023 396.37 397.00 378.22 381.90
5658 NASDAQ ALGN Thu, Jul 27, 2023 403.83 413.20 379.52 385.31
5657 NASDAQ ALGN Wed, Jul 26, 2023 329.59 340.48 328.06 339.85
5656 NASDAQ ALGN Tue, Jul 25, 2023 335.51 337.19 324.89 332.14
5655 NASDAQ ALGN Mon, Jul 24, 2023 337.25 338.37 332.99 337.01
5654 NASDAQ ALGN Fri, Jul 21, 2023 332.83 340.03 331.55 337.37
5653 NASDAQ ALGN Thu, Jul 20, 2023 340.76 340.76 330.74 330.99
5652 NASDAQ ALGN Wed, Jul 19, 2023 355.00 355.11 340.33 342.58
5651 NASDAQ ALGN Tue, Jul 18, 2023 359.00 361.03 353.62 360.62
5650 NASDAQ ALGN Mon, Jul 17, 2023 362.53 371.99 360.39 370.36
5649 NASDAQ ALGN Fri, Jul 14, 2023 367.51 371.39 366.15 366.88
5648 NASDAQ ALGN Thu, Jul 13, 2023 358.98 368.06 357.56 367.56
5647 NASDAQ ALGN Wed, Jul 12, 2023 355.31 358.85 349.02 357.60
5646 NASDAQ ALGN Tue, Jul 11, 2023 343.90 351.08 343.71 350.10
5645 NASDAQ ALGN Mon, Jul 10, 2023 330.89 343.82 330.89 343.70
5644 NASDAQ ALGN Fri, Jul 7, 2023 331.11 335.61 328.71 329.54
5643 NASDAQ ALGN Thu, Jul 6, 2023 330.08 331.76 323.53 330.92
5642 NASDAQ ALGN Wed, Jul 5, 2023 339.73 339.73 327.19 336.82
5641 NASDAQ ALGN Mon, Jul 3, 2023 350.70 351.38 340.00 344.59
5640 NASDAQ ALGN Fri, Jun 30, 2023 344.73 356.24 344.30 353.64
5639 NASDAQ ALGN Thu, Jun 29, 2023 345.00 349.67 337.76 341.79
5638 NASDAQ ALGN Wed, Jun 28, 2023 341.30 348.86 340.19 345.07
5637 NASDAQ ALGN Tue, Jun 27, 2023 333.29 341.92 328.99 340.69
5636 NASDAQ ALGN Mon, Jun 26, 2023 328.01 335.74 327.67 331.46
5635 NASDAQ ALGN Fri, Jun 23, 2023 329.03 331.06 325.00 328.83
5634 NASDAQ ALGN Thu, Jun 22, 2023 331.10 335.10 326.41 334.40
5633 NASDAQ ALGN Wed, Jun 21, 2023 330.81 334.15 328.03 330.71
5632 NASDAQ ALGN Tue, Jun 20, 2023 327.02 333.05 320.53 331.43
5631 NASDAQ ALGN Fri, Jun 16, 2023 334.95 335.87 326.52 330.29
5630 NASDAQ ALGN Thu, Jun 15, 2023 322.04 334.57 321.28 333.19
5629 NASDAQ ALGN Wed, Jun 14, 2023 324.11 328.49 317.72 322.46
5628 NASDAQ ALGN Tue, Jun 13, 2023 315.00 328.99 313.20 322.02
5627 NASDAQ ALGN Mon, Jun 12, 2023 304.81 311.72 301.89 311.29
5626 NASDAQ ALGN Fri, Jun 9, 2023 304.60 309.66 301.99 304.44
5625 NASDAQ ALGN Thu, Jun 8, 2023 300.29 308.32 300.29 306.76
5624 NASDAQ ALGN Wed, Jun 7, 2023 306.07 311.74 300.73 301.73
5623 NASDAQ ALGN Tue, Jun 6, 2023 303.72 308.65 301.97 304.68
5622 NASDAQ ALGN Mon, Jun 5, 2023 302.00 306.85 301.48 305.15
5621 NASDAQ ALGN Fri, Jun 2, 2023 299.74 302.68 296.02 302.00
5620 NASDAQ ALGN Thu, Jun 1, 2023 283.65 298.64 282.29 297.20
5619 NASDAQ ALGN Wed, May 31, 2023 281.86 283.33 273.47 282.66
5618 NASDAQ ALGN Tue, May 30, 2023 283.79 287.06 281.86 284.95
5617 NASDAQ ALGN Fri, May 26, 2023 280.82 286.98 279.85 285.39
5616 NASDAQ ALGN Thu, May 25, 2023 282.96 284.89 277.76 280.08
5615 NASDAQ ALGN Wed, May 24, 2023 281.45 284.02 278.04 281.23
5614 NASDAQ ALGN Tue, May 23, 2023 295.90 303.10 281.29 282.55
5613 NASDAQ ALGN Mon, May 22, 2023 291.04 304.36 290.22 300.83
5612 NASDAQ ALGN Fri, May 19, 2023 293.39 293.94 287.73 290.99
5611 NASDAQ ALGN Thu, May 18, 2023 290.92 296.20 287.69 293.42
5610 NASDAQ ALGN Wed, May 17, 2023 293.76 293.97 285.19 291.36
5609 NASDAQ ALGN Tue, May 16, 2023 294.15 295.34 289.87 292.30
5608 NASDAQ ALGN Mon, May 15, 2023 293.00 300.37 291.10 297.28
5607 NASDAQ ALGN Fri, May 12, 2023 296.78 297.80 291.30 293.71
5606 NASDAQ ALGN Thu, May 11, 2023 303.43 303.60 291.79 296.08
5605 NASDAQ ALGN Wed, May 10, 2023 307.00 308.36 302.42 305.26
5604 NASDAQ ALGN Tue, May 9, 2023 303.01 304.57 298.51 302.74
5603 NASDAQ ALGN Mon, May 8, 2023 311.80 312.29 302.77 306.07
5602 NASDAQ ALGN Fri, May 5, 2023 306.69 314.25 306.26 313.64
5601 NASDAQ ALGN Thu, May 4, 2023 301.20 304.30 297.83 304.11
5600 NASDAQ ALGN Wed, May 3, 2023 306.85 310.51 302.38 303.11
5599 NASDAQ ALGN Tue, May 2, 2023 317.15 319.56 305.40 306.84
5598 NASDAQ ALGN Mon, May 1, 2023 324.89 326.51 314.52 317.33
5597 NASDAQ ALGN Fri, Apr 28, 2023 317.02 326.31 316.73 325.30
5596 NASDAQ ALGN Thu, Apr 27, 2023 321.95 326.55 309.00 317.73
5595 NASDAQ ALGN Wed, Apr 26, 2023 351.83 355.21 348.12 354.55
5594 NASDAQ ALGN Tue, Apr 25, 2023 359.83 362.23 351.06 351.52
5593 NASDAQ ALGN Mon, Apr 24, 2023 355.14 363.27 352.33 363.06
5592 NASDAQ ALGN Fri, Apr 21, 2023 353.64 356.48 351.07 355.14
5591 NASDAQ ALGN Thu, Apr 20, 2023 351.94 357.98 351.59 352.39
5590 NASDAQ ALGN Wed, Apr 19, 2023 345.09 357.87 345.09 356.37
5589 NASDAQ ALGN Tue, Apr 18, 2023 353.37 355.87 346.09 348.05
5588 NASDAQ ALGN Mon, Apr 17, 2023 343.17 348.14 341.71 347.69
5587 NASDAQ ALGN Fri, Apr 14, 2023 341.67 346.48 337.73 342.27
5586 NASDAQ ALGN Thu, Apr 13, 2023 336.68 341.57 334.63 341.35
5585 NASDAQ ALGN Wed, Apr 12, 2023 342.38 343.22 331.73 332.25
5584 NASDAQ ALGN Tue, Apr 11, 2023 331.47 342.20 331.47 339.00
5583 NASDAQ ALGN Mon, Apr 10, 2023 319.58 330.80 316.62 330.66
5582 NASDAQ ALGN Thu, Apr 6, 2023 315.67 324.63 312.47 323.14
5581 NASDAQ ALGN Wed, Apr 5, 2023 324.44 324.44 314.16 317.02
5580 NASDAQ ALGN Tue, Apr 4, 2023 329.50 333.01 325.08 326.85
5579 NASDAQ ALGN Mon, Apr 3, 2023 333.29 335.08 324.30 327.35
5578 NASDAQ ALGN Fri, Mar 31, 2023 315.04 335.15 315.00 334.14
5577 NASDAQ ALGN Thu, Mar 30, 2023 311.19 314.55 309.51 311.85
5576 NASDAQ ALGN Wed, Mar 29, 2023 309.37 310.05 303.71 306.21
5575 NASDAQ ALGN Tue, Mar 28, 2023 306.43 309.87 304.31 305.29
5574 NASDAQ ALGN Mon, Mar 27, 2023 308.25 311.92 301.86 305.95
5573 NASDAQ ALGN Fri, Mar 24, 2023 309.70 311.31 300.86 306.70
5572 NASDAQ ALGN Thu, Mar 23, 2023 314.06 319.54 307.35 311.48
5571 NASDAQ ALGN Wed, Mar 22, 2023 327.00 327.00 312.08 312.31
5570 NASDAQ ALGN Tue, Mar 21, 2023 319.98 330.71 318.01 327.64
5569 NASDAQ ALGN Mon, Mar 20, 2023 320.19 321.63 314.45 316.36
5568 NASDAQ ALGN Fri, Mar 17, 2023 325.09 326.49 317.67 320.87
5567 NASDAQ ALGN Thu, Mar 16, 2023 317.69 327.98 314.56 326.40
5566 NASDAQ ALGN Wed, Mar 15, 2023 313.04 318.61 307.65 318.17
5565 NASDAQ ALGN Tue, Mar 14, 2023 322.17 326.79 316.12 320.76
5564 NASDAQ ALGN Mon, Mar 13, 2023 311.41 322.88 307.37 315.41
5563 NASDAQ ALGN Fri, Mar 10, 2023 321.97 322.50 306.71 312.79
5562 NASDAQ ALGN Thu, Mar 9, 2023 333.12 336.63 321.00 321.64
5561 NASDAQ ALGN Wed, Mar 8, 2023 333.59 334.81 327.90 332.26
5560 NASDAQ ALGN Tue, Mar 7, 2023 337.02 341.81 333.41 334.78
5559 NASDAQ ALGN Mon, Mar 6, 2023 337.40 357.00 334.95 335.80
5558 NASDAQ ALGN Fri, Mar 3, 2023 314.53 335.67 314.53 334.56
5557 NASDAQ ALGN Thu, Mar 2, 2023 303.22 313.62 303.17 313.21
5556 NASDAQ ALGN Wed, Mar 1, 2023 307.50 310.63 302.20 308.53
5555 NASDAQ ALGN Tue, Feb 28, 2023 303.55 313.11 303.55 309.50
5554 NASDAQ ALGN Mon, Feb 27, 2023 309.30 311.16 303.15 304.64
5553 NASDAQ ALGN Fri, Feb 24, 2023 297.47 306.78 297.26 306.28
5552 NASDAQ ALGN Thu, Feb 23, 2023 304.34 306.72 297.51 305.46
5551 NASDAQ ALGN Wed, Feb 22, 2023 303.81 308.43 300.65 302.72
5550 NASDAQ ALGN Tue, Feb 21, 2023 313.00 315.35 303.75 304.00
5549 NASDAQ ALGN Fri, Feb 17, 2023 322.16 322.19 312.61 316.71
5548 NASDAQ ALGN Thu, Feb 16, 2023 331.68 336.51 323.73 326.17
5547 NASDAQ ALGN Wed, Feb 15, 2023 327.98 339.10 327.70 338.39
5546 NASDAQ ALGN Tue, Feb 14, 2023 324.39 334.28 320.12 331.52
5545 NASDAQ ALGN Mon, Feb 13, 2023 319.25 325.54 315.45 325.26
5544 NASDAQ ALGN Fri, Feb 10, 2023 321.38 322.68 310.38 315.81
5543 NASDAQ ALGN Thu, Feb 9, 2023 336.48 337.57 320.45 321.38
5542 NASDAQ ALGN Wed, Feb 8, 2023 341.64 343.55 333.00 334.83
5541 NASDAQ ALGN Tue, Feb 7, 2023 341.03 346.75 332.80 345.07
5540 NASDAQ ALGN Mon, Feb 6, 2023 348.00 364.76 341.82 342.46
5539 NASDAQ ALGN Fri, Feb 3, 2023 350.41 352.84 341.00 343.10
5538 NASDAQ ALGN Thu, Feb 2, 2023 336.50 368.87 332.60 359.88
5537 NASDAQ ALGN Wed, Feb 1, 2023 270.29 284.14 268.94 282.53
5536 NASDAQ ALGN Tue, Jan 31, 2023 265.26 269.78 265.00 269.73
5535 NASDAQ ALGN Mon, Jan 30, 2023 263.50 268.55 261.50 265.82
5534 NASDAQ ALGN Fri, Jan 27, 2023 260.00 270.00 259.02 269.20
5533 NASDAQ ALGN Thu, Jan 26, 2023 255.86 263.10 254.99 262.95
5532 NASDAQ ALGN Wed, Jan 25, 2023 246.82 252.47 245.64 252.08
5531 NASDAQ ALGN Tue, Jan 24, 2023 250.08 258.31 250.08 252.63
5530 NASDAQ ALGN Mon, Jan 23, 2023 246.12 253.85 244.84 251.38
5529 NASDAQ ALGN Fri, Jan 20, 2023 237.78 243.30 235.84 243.01
5528 NASDAQ ALGN Thu, Jan 19, 2023 242.07 242.72 230.18 236.30
5527 NASDAQ ALGN Wed, Jan 18, 2023 247.28 254.71 246.05 246.80
5526 NASDAQ ALGN Tue, Jan 17, 2023 238.78 246.44 237.88 246.04
5525 NASDAQ ALGN Fri, Jan 13, 2023 233.17 240.15 232.28 239.76
5524 NASDAQ ALGN Thu, Jan 12, 2023 234.16 237.24 228.34 235.58
5523 NASDAQ ALGN Wed, Jan 11, 2023 234.00 238.15 231.21 234.16
5522 NASDAQ ALGN Tue, Jan 10, 2023 227.17 233.45 227.17 232.25
5521 NASDAQ ALGN Mon, Jan 9, 2023 224.03 230.35 222.08 227.67
5520 NASDAQ ALGN Fri, Jan 6, 2023 222.10 222.99 212.87 220.77
5519 NASDAQ ALGN Thu, Jan 5, 2023 221.89 222.92 216.90 219.82
5518 NASDAQ ALGN Wed, Jan 4, 2023 217.26 225.23 215.14 224.63
5517 NASDAQ ALGN Tue, Jan 3, 2023 215.46 219.53 208.29 212.28
5516 NASDAQ ALGN Fri, Dec 30, 2022 208.10 211.31 206.71 210.90
5515 NASDAQ ALGN Thu, Dec 29, 2022 203.61 214.20 201.61 212.14
5514 NASDAQ ALGN Wed, Dec 28, 2022 204.80 206.53 200.39 201.58
5513 NASDAQ ALGN Tue, Dec 27, 2022 203.23 207.12 200.16 204.59
5512 NASDAQ ALGN Fri, Dec 23, 2022 201.58 203.88 198.25 203.67
5511 NASDAQ ALGN Thu, Dec 22, 2022 202.28 203.63 196.88 203.49
5510 NASDAQ ALGN Wed, Dec 21, 2022 201.04 204.39 200.16 204.28
5509 NASDAQ ALGN Tue, Dec 20, 2022 196.30 203.64 195.86 200.75
5508 NASDAQ ALGN Mon, Dec 19, 2022 197.90 202.81 197.81 198.76
5507 NASDAQ ALGN Fri, Dec 16, 2022 198.25 200.00 193.00 198.21
5506 NASDAQ ALGN Thu, Dec 15, 2022 191.74 216.04 186.74 201.97
5505 NASDAQ ALGN Wed, Dec 14, 2022 197.32 202.00 193.52 195.81
5504 NASDAQ ALGN Tue, Dec 13, 2022 205.81 207.49 195.89 198.58
5503 NASDAQ ALGN Mon, Dec 12, 2022 190.95 196.44 188.40 195.01
5502 NASDAQ ALGN Fri, Dec 9, 2022 190.52 193.54 188.48 188.81
5501 NASDAQ ALGN Thu, Dec 8, 2022 188.53 192.02 186.05 190.46
5500 NASDAQ ALGN Wed, Dec 7, 2022 185.67 189.09 184.66 187.33
5499 NASDAQ ALGN Tue, Dec 6, 2022 186.76 187.23 183.26 186.04
5498 NASDAQ ALGN Mon, Dec 5, 2022 195.00 195.84 187.54 187.91
5497 NASDAQ ALGN Fri, Dec 2, 2022 197.03 200.00 195.93 198.41
5496 NASDAQ ALGN Thu, Dec 1, 2022 197.59 202.24 195.70 201.77
5495 NASDAQ ALGN Wed, Nov 30, 2022 192.39 196.74 184.69 196.66
5494 NASDAQ ALGN Tue, Nov 29, 2022 188.86 194.05 187.36 191.83
5493 NASDAQ ALGN Mon, Nov 28, 2022 194.69 197.86 189.07 189.78
5492 NASDAQ ALGN Fri, Nov 25, 2022 194.82 196.28 190.99 194.67
5491 NASDAQ ALGN Wed, Nov 23, 2022 192.33 199.17 191.04 196.28
5490 NASDAQ ALGN Tue, Nov 22, 2022 192.90 192.90 188.01 191.39
5489 NASDAQ ALGN Mon, Nov 21, 2022 190.38 194.25 189.00 191.63
5488 NASDAQ ALGN Fri, Nov 18, 2022 200.00 201.15 191.74 193.56
5487 NASDAQ ALGN Thu, Nov 17, 2022 195.58 196.63 191.71 194.96
5486 NASDAQ ALGN Wed, Nov 16, 2022 212.84 212.90 200.18 201.39
5485 NASDAQ ALGN Tue, Nov 15, 2022 215.55 220.30 211.87 212.92
5484 NASDAQ ALGN Mon, Nov 14, 2022 214.74 214.99 210.06 210.33
5483 NASDAQ ALGN Fri, Nov 11, 2022 197.80 221.62 195.95 218.98
5482 NASDAQ ALGN Thu, Nov 10, 2022 186.96 196.71 186.50 196.48
5481 NASDAQ ALGN Wed, Nov 9, 2022 179.72 179.72 174.13 174.58
5480 NASDAQ ALGN Tue, Nov 8, 2022 181.40 185.48 175.34 180.40
5479 NASDAQ ALGN Mon, Nov 7, 2022 182.80 184.35 178.93 181.37
5478 NASDAQ ALGN Fri, Nov 4, 2022 182.54 182.61 175.93 180.93
5477 NASDAQ ALGN Thu, Nov 3, 2022 176.39 177.34 172.05 175.83
5476 NASDAQ ALGN Wed, Nov 2, 2022 192.44 193.27 178.91 179.08
5475 NASDAQ ALGN Tue, Nov 1, 2022 197.55 202.42 192.53 193.06
5474 NASDAQ ALGN Mon, Oct 31, 2022 190.00 201.56 190.00 194.30
5473 NASDAQ ALGN Fri, Oct 28, 2022 180.23 190.45 179.25 188.62
5472 NASDAQ ALGN Thu, Oct 27, 2022 188.89 188.89 176.00 181.53
5471 NASDAQ ALGN Wed, Oct 26, 2022 219.17 229.56 217.98 221.64
5470 NASDAQ ALGN Tue, Oct 25, 2022 212.39 221.72 212.39 217.98
5469 NASDAQ ALGN Mon, Oct 24, 2022 207.97 211.51 204.87 211.39
5468 NASDAQ ALGN Fri, Oct 21, 2022 196.58 208.45 192.63 207.67
5467 NASDAQ ALGN Thu, Oct 20, 2022 204.01 208.06 197.78 198.28
5466 NASDAQ ALGN Wed, Oct 19, 2022 207.17 210.07 203.57 204.98
5465 NASDAQ ALGN Tue, Oct 18, 2022 219.47 222.37 207.99 210.00
5464 NASDAQ ALGN Mon, Oct 17, 2022 205.61 213.49 203.26 211.44
5463 NASDAQ ALGN Fri, Oct 14, 2022 216.79 217.73 201.09 201.63
5462 NASDAQ ALGN Thu, Oct 13, 2022 200.02 214.37 197.87 212.31
5461 NASDAQ ALGN Wed, Oct 12, 2022 207.98 209.58 203.21 208.05
5460 NASDAQ ALGN Tue, Oct 11, 2022 206.77 213.10 202.01 208.45
5459 NASDAQ ALGN Mon, Oct 10, 2022 213.17 213.79 205.00 207.38
5458 NASDAQ ALGN Fri, Oct 7, 2022 217.46 220.09 210.39 211.58
5457 NASDAQ ALGN Thu, Oct 6, 2022 229.16 233.64 222.05 222.36
5456 NASDAQ ALGN Wed, Oct 5, 2022 225.81 230.45 221.45 228.81
5455 NASDAQ ALGN Tue, Oct 4, 2022 221.67 230.27 220.83 229.91
5454 NASDAQ ALGN Mon, Oct 3, 2022 209.14 217.32 206.00 215.64
5453 NASDAQ ALGN Fri, Sep 30, 2022 211.96 218.31 206.76 207.11
5452 NASDAQ ALGN Thu, Sep 29, 2022 208.57 211.50 204.32 211.01
5451 NASDAQ ALGN Wed, Sep 28, 2022 216.60 216.70 206.67 212.10
5450 NASDAQ ALGN Tue, Sep 27, 2022 223.68 225.81 212.42 214.22
5449 NASDAQ ALGN Mon, Sep 26, 2022 222.43 228.10 217.19 219.64
5448 NASDAQ ALGN Fri, Sep 23, 2022 215.52 222.93 213.24 222.43
5447 NASDAQ ALGN Thu, Sep 22, 2022 224.14 225.66 214.68 217.95
5446 NASDAQ ALGN Wed, Sep 21, 2022 232.22 240.20 225.81 226.68
5445 NASDAQ ALGN Tue, Sep 20, 2022 239.56 240.45 231.31 232.22
5444 NASDAQ ALGN Mon, Sep 19, 2022 244.58 247.63 235.20 244.19
5443 NASDAQ ALGN Fri, Sep 16, 2022 247.80 250.36 242.25 249.02
5442 NASDAQ ALGN Thu, Sep 15, 2022 244.02 260.31 244.02 252.00
5441 NASDAQ ALGN Wed, Sep 14, 2022 246.89 252.12 243.42 246.74
5440 NASDAQ ALGN Tue, Sep 13, 2022 255.00 255.17 246.45 247.06
5439 NASDAQ ALGN Mon, Sep 12, 2022 264.29 272.15 264.03 267.79
5438 NASDAQ ALGN Fri, Sep 9, 2022 259.09 264.93 259.09 263.11
5437 NASDAQ ALGN Thu, Sep 8, 2022 245.37 258.25 244.03 257.30
5436 NASDAQ ALGN Wed, Sep 7, 2022 239.23 250.29 237.66 249.94
5435 NASDAQ ALGN Tue, Sep 6, 2022 244.55 244.81 234.55 238.99
5434 NASDAQ ALGN Fri, Sep 2, 2022 249.54 250.94 241.92 244.51
5433 NASDAQ ALGN Thu, Sep 1, 2022 238.96 245.97 234.01 245.74
5432 NASDAQ ALGN Wed, Aug 31, 2022 250.21 252.50 243.00 243.70
5431 NASDAQ ALGN Tue, Aug 30, 2022 250.59 254.00 242.91 246.68
5430 NASDAQ ALGN Mon, Aug 29, 2022 250.00 255.49 246.70 247.99
5429 NASDAQ ALGN Fri, Aug 26, 2022 271.96 271.96 252.12 252.45
5428 NASDAQ ALGN Thu, Aug 25, 2022 265.64 273.24 265.61 272.99
5427 NASDAQ ALGN Wed, Aug 24, 2022 252.68 262.92 251.60 261.70
5426 NASDAQ ALGN Tue, Aug 23, 2022 255.63 258.30 251.16 252.23
5425 NASDAQ ALGN Mon, Aug 22, 2022 263.14 266.82 255.08 256.05
5424 NASDAQ ALGN Fri, Aug 19, 2022 277.56 279.56 268.74 269.82
5423 NASDAQ ALGN Thu, Aug 18, 2022 277.22 282.01 273.55 281.66
5422 NASDAQ ALGN Wed, Aug 17, 2022 284.01 286.99 272.73 277.66
5421 NASDAQ ALGN Tue, Aug 16, 2022 283.35 291.91 272.31 289.04
5420 NASDAQ ALGN Mon, Aug 15, 2022 288.68 292.87 284.52 286.19
5419 NASDAQ ALGN Fri, Aug 12, 2022 288.94 290.93 285.14 289.00
5418 NASDAQ ALGN Thu, Aug 11, 2022 291.90 297.92 286.23 287.38
5417 NASDAQ ALGN Wed, Aug 10, 2022 283.34 287.90 279.44 287.81
5416 NASDAQ ALGN Tue, Aug 9, 2022 288.35 288.35 271.95 273.64
5415 NASDAQ ALGN Mon, Aug 8, 2022 295.19 302.97 291.40 293.06
5414 NASDAQ ALGN Fri, Aug 5, 2022 286.82 294.20 283.28 293.89
5413 NASDAQ ALGN Thu, Aug 4, 2022 286.63 296.25 285.00 293.73
5412 NASDAQ ALGN Wed, Aug 3, 2022 284.00 287.99 279.00 286.21
5411 NASDAQ ALGN Tue, Aug 2, 2022 278.02 285.15 275.54 281.23
5410 NASDAQ ALGN Mon, Aug 1, 2022 278.33 289.98 276.69 282.82
5409 NASDAQ ALGN Fri, Jul 29, 2022 277.59 283.54 274.03 280.97
5408 NASDAQ ALGN Thu, Jul 28, 2022 270.55 283.83 255.90 282.25
5407 NASDAQ ALGN Wed, Jul 27, 2022 256.57 265.72 255.31 262.61
5406 NASDAQ ALGN Tue, Jul 26, 2022 253.16 253.16 247.11 251.86
5405 NASDAQ ALGN Mon, Jul 25, 2022 265.30 266.64 250.22 252.07
5404 NASDAQ ALGN Fri, Jul 22, 2022 278.70 281.23 262.00 265.88
5403 NASDAQ ALGN Thu, Jul 21, 2022 275.47 286.46 273.09 284.24
5402 NASDAQ ALGN Wed, Jul 20, 2022 265.74 282.91 265.34 274.49
5401 NASDAQ ALGN Tue, Jul 19, 2022 259.11 269.84 257.00 267.31
5400 NASDAQ ALGN Mon, Jul 18, 2022 257.78 261.85 252.79 254.08
5399 NASDAQ ALGN Fri, Jul 15, 2022 252.02 256.09 247.27 254.88
5398 NASDAQ ALGN Thu, Jul 14, 2022 245.15 248.97 240.05 247.18
5397 NASDAQ ALGN Wed, Jul 13, 2022 242.64 254.03 238.30 249.86
5396 NASDAQ ALGN Tue, Jul 12, 2022 251.36 254.30 245.91 248.98
5395 NASDAQ ALGN Mon, Jul 11, 2022 257.97 261.54 247.86 249.48
5394 NASDAQ ALGN Fri, Jul 8, 2022 254.27 269.46 252.28 261.52
5393 NASDAQ ALGN Thu, Jul 7, 2022 251.84 260.19 250.52 259.64
5392 NASDAQ ALGN Wed, Jul 6, 2022 254.22 256.04 247.42 249.54
5391 NASDAQ ALGN Tue, Jul 5, 2022 243.50 255.27 239.18 254.11
5390 NASDAQ ALGN Fri, Jul 1, 2022 237.03 247.67 235.28 247.34
5389 NASDAQ ALGN Thu, Jun 30, 2022 240.67 243.65 232.62 236.67
5388 NASDAQ ALGN Wed, Jun 29, 2022 243.87 244.19 236.81 242.15
5387 NASDAQ ALGN Tue, Jun 28, 2022 251.51 254.76 241.43 241.92
5386 NASDAQ ALGN Mon, Jun 27, 2022 258.76 259.79 249.10 250.17
5385 NASDAQ ALGN Fri, Jun 24, 2022 253.08 258.93 252.51 258.75
5384 NASDAQ ALGN Thu, Jun 23, 2022 237.98 252.57 236.62 251.12
5383 NASDAQ ALGN Wed, Jun 22, 2022 226.48 240.80 225.86 235.09
5382 NASDAQ ALGN Tue, Jun 21, 2022 241.14 241.99 229.97 230.31
5381 NASDAQ ALGN Fri, Jun 17, 2022 230.96 240.32 230.84 234.47
5380 NASDAQ ALGN Thu, Jun 16, 2022 235.59 239.22 228.35 229.82
5379 NASDAQ ALGN Wed, Jun 15, 2022 240.99 249.53 237.12 243.78
5378 NASDAQ ALGN Tue, Jun 14, 2022 245.03 245.63 235.55 238.08
5377 NASDAQ ALGN Mon, Jun 13, 2022 246.89 251.97 242.67 244.01
5376 NASDAQ ALGN Fri, Jun 10, 2022 257.40 259.34 251.63 257.06
5375 NASDAQ ALGN Thu, Jun 9, 2022 268.72 273.91 262.13 262.55
5374 NASDAQ ALGN Wed, Jun 8, 2022 275.42 277.71 272.32 273.13
5373 NASDAQ ALGN Tue, Jun 7, 2022 265.76 275.75 265.76 273.51
5372 NASDAQ ALGN Mon, Jun 6, 2022 280.87 281.50 266.62 269.01
5371 NASDAQ ALGN Fri, Jun 3, 2022 278.66 280.46 272.85 273.60
5370 NASDAQ ALGN Thu, Jun 2, 2022 266.76 287.05 264.54 284.87
5369 NASDAQ ALGN Wed, Jun 1, 2022 281.07 283.27 263.48 265.17
5368 NASDAQ ALGN Tue, May 31, 2022 284.70 286.40 272.17 277.64
5367 NASDAQ ALGN Fri, May 27, 2022 276.03 284.57 275.62 284.57
5366 NASDAQ ALGN Thu, May 26, 2022 274.42 279.15 268.15 274.83
5365 NASDAQ ALGN Wed, May 25, 2022 267.15 281.48 266.69 276.57
5364 NASDAQ ALGN Tue, May 24, 2022 273.17 274.21 265.01 270.18
5363 NASDAQ ALGN Mon, May 23, 2022 278.46 279.55 266.05 278.71
5362 NASDAQ ALGN Fri, May 20, 2022 280.00 282.41 267.01 275.04
5361 NASDAQ ALGN Thu, May 19, 2022 267.07 278.80 265.51 273.89
5360 NASDAQ ALGN Wed, May 18, 2022 276.50 277.41 267.31 269.11
5359 NASDAQ ALGN Tue, May 17, 2022 279.96 285.46 273.99 280.59
5358 NASDAQ ALGN Mon, May 16, 2022 274.66 281.62 270.12 274.20
5357 NASDAQ ALGN Fri, May 13, 2022 264.42 276.84 264.42 275.52
5356 NASDAQ ALGN Thu, May 12, 2022 253.82 265.40 250.64 259.53
5355 NASDAQ ALGN Wed, May 11, 2022 258.77 269.59 255.00 256.11
5354 NASDAQ ALGN Tue, May 10, 2022 273.50 279.60 254.48 258.13
5353 NASDAQ ALGN Mon, May 9, 2022 274.22 277.67 265.30 268.96
5352 NASDAQ ALGN Fri, May 6, 2022 285.85 286.34 271.53 280.41
5351 NASDAQ ALGN Thu, May 5, 2022 305.79 309.00 280.05 283.72
5350 NASDAQ ALGN Wed, May 4, 2022 300.03 311.62 286.70 310.89
5349 NASDAQ ALGN Tue, May 3, 2022 304.02 311.92 297.05 301.02
5348 NASDAQ ALGN Mon, May 2, 2022 292.48 310.97 288.02 308.88
5347 NASDAQ ALGN Fri, Apr 29, 2022 303.33 319.09 288.88 289.91
5346 NASDAQ ALGN Thu, Apr 28, 2022 282.00 306.96 270.37 304.66
5345 NASDAQ ALGN Wed, Apr 27, 2022 365.02 378.98 357.22 360.43
5344 NASDAQ ALGN Tue, Apr 26, 2022 363.22 365.54 353.93 361.30
5343 NASDAQ ALGN Mon, Apr 25, 2022 363.45 371.16 354.86 368.86
5342 NASDAQ ALGN Fri, Apr 22, 2022 380.57 381.60 360.17 360.57
5341 NASDAQ ALGN Thu, Apr 21, 2022 421.74 425.03 382.31 383.63
5340 NASDAQ ALGN Wed, Apr 20, 2022 427.78 431.27 418.20 419.18
5339 NASDAQ ALGN Tue, Apr 19, 2022 403.17 426.71 403.01 424.54
5338 NASDAQ ALGN Mon, Apr 18, 2022 408.02 409.66 401.21 405.88
5337 NASDAQ ALGN Thu, Apr 14, 2022 416.00 417.87 407.37 409.82
5336 NASDAQ ALGN Wed, Apr 13, 2022 409.02 420.18 407.01 416.91
5335 NASDAQ ALGN Tue, Apr 12, 2022 414.06 430.44 401.08 406.23
5334 NASDAQ ALGN Mon, Apr 11, 2022 414.00 425.43 408.85 409.69
5333 NASDAQ ALGN Fri, Apr 8, 2022 418.98 426.63 411.43 420.56
5332 NASDAQ ALGN Thu, Apr 7, 2022 418.79 426.70 415.13 422.18
5331 NASDAQ ALGN Wed, Apr 6, 2022 429.66 429.66 412.69 421.74
5330 NASDAQ ALGN Tue, Apr 5, 2022 446.87 446.87 434.58 436.80
5329 NASDAQ ALGN Mon, Apr 4, 2022 445.43 451.19 439.22 445.39
5328 NASDAQ ALGN Fri, Apr 1, 2022 439.42 448.13 438.95 446.41
5327 NASDAQ ALGN Thu, Mar 31, 2022 444.96 451.61 435.78 436.00
5326 NASDAQ ALGN Wed, Mar 30, 2022 449.65 450.32 437.97 442.17
5325 NASDAQ ALGN Tue, Mar 29, 2022 442.57 458.25 441.42 452.94
5324 NASDAQ ALGN Mon, Mar 28, 2022 435.08 438.31 426.59 434.00
5323 NASDAQ ALGN Fri, Mar 25, 2022 439.05 439.99 418.67 430.44
5322 NASDAQ ALGN Thu, Mar 24, 2022 438.85 438.85 422.20 436.26
5321 NASDAQ ALGN Wed, Mar 23, 2022 451.22 452.74 435.77 437.06
5320 NASDAQ ALGN Tue, Mar 22, 2022 434.81 461.79 434.81 457.03
5319 NASDAQ ALGN Mon, Mar 21, 2022 436.43 446.79 423.92 432.47
5318 NASDAQ ALGN Fri, Mar 18, 2022 426.01 444.23 421.07 442.87
5317 NASDAQ ALGN Thu, Mar 17, 2022 417.66 427.35 414.01 425.48
5316 NASDAQ ALGN Wed, Mar 16, 2022 402.34 421.01 400.01 420.65
5315 NASDAQ ALGN Tue, Mar 15, 2022 381.09 392.63 375.00 390.73
5314 NASDAQ ALGN Mon, Mar 14, 2022 403.21 403.21 372.62 378.09
5313 NASDAQ ALGN Fri, Mar 11, 2022 438.16 438.16 400.00 400.67
5312 NASDAQ ALGN Thu, Mar 10, 2022 428.27 434.81 417.00 430.09
5311 NASDAQ ALGN Wed, Mar 9, 2022 433.22 444.84 426.31 442.05
5310 NASDAQ ALGN Tue, Mar 8, 2022 430.00 433.00 411.80 415.01
5309 NASDAQ ALGN Mon, Mar 7, 2022 464.00 468.80 434.64 435.57
5308 NASDAQ ALGN Fri, Mar 4, 2022 474.78 475.16 452.98 464.48
5307 NASDAQ ALGN Thu, Mar 3, 2022 501.22 502.24 475.37 477.45
5306 NASDAQ ALGN Wed, Mar 2, 2022 505.17 505.20 481.82 496.14
5305 NASDAQ ALGN Tue, Mar 1, 2022 508.73 509.83 490.93 500.97
5304 NASDAQ ALGN Mon, Feb 28, 2022 503.94 513.12 499.31 511.46
5303 NASDAQ ALGN Fri, Feb 25, 2022 506.21 512.88 497.22 512.56
5302 NASDAQ ALGN Thu, Feb 24, 2022 468.58 511.50 464.01 509.15
5301 NASDAQ ALGN Wed, Feb 23, 2022 496.33 501.51 481.25 482.66
5300 NASDAQ ALGN Tue, Feb 22, 2022 492.56 510.86 490.01 494.11
5299 NASDAQ ALGN Fri, Feb 18, 2022 504.03 510.64 494.74 498.65
5298 NASDAQ ALGN Thu, Feb 17, 2022 521.01 523.71 501.06 501.76
5297 NASDAQ ALGN Wed, Feb 16, 2022 526.17 529.49 514.23 526.38
5296 NASDAQ ALGN Tue, Feb 15, 2022 515.00 528.95 513.38 528.24
5295 NASDAQ ALGN Mon, Feb 14, 2022 510.53 514.55 500.18 505.67
5294 NASDAQ ALGN Fri, Feb 11, 2022 528.38 534.47 505.50 509.10
5293 NASDAQ ALGN Thu, Feb 10, 2022 525.99 552.00 524.19 532.36
5292 NASDAQ ALGN Wed, Feb 9, 2022 522.31 548.99 522.31 545.94
5291 NASDAQ ALGN Tue, Feb 8, 2022 496.15 516.72 491.00 515.49
5290 NASDAQ ALGN Mon, Feb 7, 2022 490.00 509.41 489.08 500.22
5289 NASDAQ ALGN Fri, Feb 4, 2022 496.89 497.36 474.27 489.86
5288 NASDAQ ALGN Thu, Feb 3, 2022 480.36 518.00 479.47 503.31
5287 NASDAQ ALGN Wed, Feb 2, 2022 511.24 521.84 498.00 505.62
5286 NASDAQ ALGN Tue, Feb 1, 2022 494.18 510.45 494.18 508.56
5285 NASDAQ ALGN Mon, Jan 31, 2022 479.22 498.69 478.00 494.96
5284 NASDAQ ALGN Fri, Jan 28, 2022 454.72 467.50 442.37 463.96
5283 NASDAQ ALGN Thu, Jan 27, 2022 467.70 476.76 451.62 455.62
5282 NASDAQ ALGN Wed, Jan 26, 2022 475.00 491.48 451.62 457.36
5281 NASDAQ ALGN Tue, Jan 25, 2022 464.05 477.79 458.07 467.99
5280 NASDAQ ALGN Mon, Jan 24, 2022 453.74 475.32 432.09 474.43
5279 NASDAQ ALGN Fri, Jan 21, 2022 486.49 488.67 462.32 462.78
5278 NASDAQ ALGN Thu, Jan 20, 2022 502.27 518.41 489.80 490.71
5277 NASDAQ ALGN Wed, Jan 19, 2022 491.79 506.99 486.11 497.59
5276 NASDAQ ALGN Tue, Jan 18, 2022 509.25 511.99 487.50 489.56
5275 NASDAQ ALGN Fri, Jan 14, 2022 519.93 529.41 510.83 524.63
5274 NASDAQ ALGN Thu, Jan 13, 2022 542.67 547.97 523.01 524.78
5273 NASDAQ ALGN Wed, Jan 12, 2022 562.24 562.26 534.52 539.47
5272 NASDAQ ALGN Tue, Jan 11, 2022 547.45 561.56 535.32 559.64
5271 NASDAQ ALGN Mon, Jan 10, 2022 533.02 549.56 524.34 548.91
5270 NASDAQ ALGN Fri, Jan 7, 2022 567.13 567.13 545.86 546.99
5269 NASDAQ ALGN Thu, Jan 6, 2022 575.48 587.49 563.60 567.62
5268 NASDAQ ALGN Wed, Jan 5, 2022 616.95 621.04 578.25 578.84
5267 NASDAQ ALGN Tue, Jan 4, 2022 645.86 652.19 617.37 623.50
5266 NASDAQ ALGN Mon, Jan 3, 2022 656.30 658.50 641.12 648.05
5265 NASDAQ ALGN Fri, Dec 31, 2021 659.47 674.89 655.62 657.18
5264 NASDAQ ALGN Thu, Dec 30, 2021 658.57 671.01 656.44 662.22
5263 NASDAQ ALGN Wed, Dec 29, 2021 649.92 660.00 649.92 653.34
5262 NASDAQ ALGN Tue, Dec 28, 2021 667.47 668.82 652.33 656.37
5261 NASDAQ ALGN Mon, Dec 27, 2021 656.72 663.62 651.79 661.07
5260 NASDAQ ALGN Thu, Dec 23, 2021 648.28 663.61 647.21 653.98
5259 NASDAQ ALGN Wed, Dec 22, 2021 623.20 646.60 616.87 645.89
5258 NASDAQ ALGN Tue, Dec 21, 2021 601.48 630.84 599.87 628.72
5257 NASDAQ ALGN Mon, Dec 20, 2021 597.83 599.95 581.30 593.94
5256 NASDAQ ALGN Fri, Dec 17, 2021 592.47 619.00 586.91 609.06
5255 NASDAQ ALGN Thu, Dec 16, 2021 610.01 611.32 592.41 595.06
5254 NASDAQ ALGN Wed, Dec 15, 2021 605.73 610.20 591.06 602.01
5253 NASDAQ ALGN Tue, Dec 14, 2021 620.20 631.82 598.93 605.73
5252 NASDAQ ALGN Mon, Dec 13, 2021 665.72 666.50 628.77 629.91
5251 NASDAQ ALGN Fri, Dec 10, 2021 672.56 683.83 660.59 668.12
5250 NASDAQ ALGN Thu, Dec 9, 2021 670.00 688.60 670.00 673.59
5249 NASDAQ ALGN Wed, Dec 8, 2021 670.27 676.94 663.67 675.22
5248 NASDAQ ALGN Tue, Dec 7, 2021 649.16 675.21 648.66 666.72
5247 NASDAQ ALGN Mon, Dec 6, 2021 622.00 641.28 615.00 638.92
5246 NASDAQ ALGN Fri, Dec 3, 2021 629.36 632.57 605.49 619.75
5245 NASDAQ ALGN Thu, Dec 2, 2021 602.80 628.73 595.07 624.93
5244 NASDAQ ALGN Wed, Dec 1, 2021 622.92 624.00 601.73 602.29
5243 NASDAQ ALGN Tue, Nov 30, 2021 632.61 638.94 607.47 611.53
5242 NASDAQ ALGN Mon, Nov 29, 2021 636.86 642.14 629.54 634.47
5241 NASDAQ ALGN Fri, Nov 26, 2021 653.20 654.15 627.00 634.22
5240 NASDAQ ALGN Wed, Nov 24, 2021 653.16 657.74 642.55 653.20
5239 NASDAQ ALGN Tue, Nov 23, 2021 665.97 666.47 650.40 657.26
5238 NASDAQ ALGN Mon, Nov 22, 2021 678.34 682.98 665.36 669.68
5237 NASDAQ ALGN Fri, Nov 19, 2021 685.55 691.96 679.18 683.29
5236 NASDAQ ALGN Thu, Nov 18, 2021 692.54 695.94 677.96 683.83
5235 NASDAQ ALGN Wed, Nov 17, 2021 689.06 698.81 680.34 692.32
5234 NASDAQ ALGN Tue, Nov 16, 2021 682.42 691.95 679.00 689.06
5233 NASDAQ ALGN Mon, Nov 15, 2021 692.06 692.06 674.51 680.19
5232 NASDAQ ALGN Fri, Nov 12, 2021 688.99 693.34 686.31 687.80
5231 NASDAQ ALGN Thu, Nov 11, 2021 696.99 697.89 681.66 685.91
5230 NASDAQ ALGN Wed, Nov 10, 2021 702.17 709.98 687.10 689.61
5229 NASDAQ ALGN Tue, Nov 9, 2021 711.18 713.33 699.48 711.02
5228 NASDAQ ALGN Mon, Nov 8, 2021 690.47 711.61 682.88 710.87
5227 NASDAQ ALGN Fri, Nov 5, 2021 680.40 687.27 675.43 687.19
5226 NASDAQ ALGN Thu, Nov 4, 2021 673.46 680.79 670.87 679.26
5225 NASDAQ ALGN Wed, Nov 3, 2021 667.06 675.75 657.87 673.61
5224 NASDAQ ALGN Tue, Nov 2, 2021 663.00 678.72 649.19 667.06
5223 NASDAQ ALGN Mon, Nov 1, 2021 631.50 667.10 631.50 661.46
5222 NASDAQ ALGN Fri, Oct 29, 2021 629.18 629.18 619.70 624.37
5221 NASDAQ ALGN Thu, Oct 28, 2021 658.39 662.00 607.28 631.80
5220 NASDAQ ALGN Wed, Oct 27, 2021 591.28 615.25 583.38 604.39
5219 NASDAQ ALGN Tue, Oct 26, 2021 594.66 603.34 586.80 593.30
5218 NASDAQ ALGN Mon, Oct 25, 2021 590.00 597.00 583.65 589.81
5217 NASDAQ ALGN Fri, Oct 22, 2021 599.00 600.15 586.90 590.56
5216 NASDAQ ALGN Thu, Oct 21, 2021 611.19 618.01 597.60 599.49
5215 NASDAQ ALGN Wed, Oct 20, 2021 597.06 608.73 592.52 608.20
5214 NASDAQ ALGN Tue, Oct 19, 2021 601.39 603.68 592.66 594.27
5213 NASDAQ ALGN Mon, Oct 18, 2021 586.45 596.99 580.11 595.13
5212 NASDAQ ALGN Fri, Oct 15, 2021 605.25 606.95 587.06 589.61
5211 NASDAQ ALGN Thu, Oct 14, 2021 600.99 604.00 586.19 597.72
5210 NASDAQ ALGN Wed, Oct 13, 2021 608.61 608.61 572.51 596.22
5209 NASDAQ ALGN Tue, Oct 12, 2021 632.00 632.38 621.87 627.43
5208 NASDAQ ALGN Mon, Oct 11, 2021 638.00 644.28 631.14 631.85
5207 NASDAQ ALGN Fri, Oct 8, 2021 663.97 664.45 641.82 643.56
5206 NASDAQ ALGN Thu, Oct 7, 2021 653.62 671.90 653.62 661.41
5205 NASDAQ ALGN Wed, Oct 6, 2021 640.60 651.35 638.59 650.65
5204 NASDAQ ALGN Tue, Oct 5, 2021 643.81 657.16 642.19 648.58
5203 NASDAQ ALGN Mon, Oct 4, 2021 658.60 659.38 637.56 640.40
5202 NASDAQ ALGN Fri, Oct 1, 2021 672.00 674.95 648.20 662.06
5201 NASDAQ ALGN Thu, Sep 30, 2021 684.62 684.62 665.41 665.43
5200 NASDAQ ALGN Wed, Sep 29, 2021 679.40 683.12 671.44 673.06
5199 NASDAQ ALGN Tue, Sep 28, 2021 692.07 692.74 672.65 677.32
5198 NASDAQ ALGN Mon, Sep 27, 2021 716.59 720.07 693.39 701.04
5197 NASDAQ ALGN Fri, Sep 24, 2021 718.47 726.30 715.29 725.24
5196 NASDAQ ALGN Thu, Sep 23, 2021 723.00 737.45 720.18 727.11
5195 NASDAQ ALGN Wed, Sep 22, 2021 713.31 725.27 701.21 716.61
5194 NASDAQ ALGN Tue, Sep 21, 2021 717.14 721.00 704.61 709.15
5193 NASDAQ ALGN Mon, Sep 20, 2021 708.02 713.69 698.03 709.64
5192 NASDAQ ALGN Fri, Sep 17, 2021 728.90 730.61 715.00 719.38
5191 NASDAQ ALGN Thu, Sep 16, 2021 712.98 731.20 710.35 728.29
5190 NASDAQ ALGN Wed, Sep 15, 2021 706.06 713.85 692.23 710.31
5189 NASDAQ ALGN Tue, Sep 14, 2021 718.36 724.64 703.60 706.45
5188 NASDAQ ALGN Mon, Sep 13, 2021 726.54 726.54 695.63 710.68
5187 NASDAQ ALGN Fri, Sep 10, 2021 730.22 731.24 718.75 720.67
5186 NASDAQ ALGN Thu, Sep 9, 2021 734.46 735.17 723.78 726.41
5185 NASDAQ ALGN Wed, Sep 8, 2021 716.98 733.33 715.12 729.92
5184 NASDAQ ALGN Tue, Sep 7, 2021 719.80 720.51 706.00 716.21
5183 NASDAQ ALGN Fri, Sep 3, 2021 729.87 729.87 711.98 721.50
5182 NASDAQ ALGN Thu, Sep 2, 2021 721.59 731.73 719.00 729.03
5181 NASDAQ ALGN Wed, Sep 1, 2021 713.14 719.83 708.79 718.72
5180 NASDAQ ALGN Tue, Aug 31, 2021 702.01 710.68 700.28 709.00
5179 NASDAQ ALGN Mon, Aug 30, 2021 706.42 712.80 698.68 702.11
5178 NASDAQ ALGN Fri, Aug 27, 2021 699.32 709.15 696.00 701.85
5177 NASDAQ ALGN Thu, Aug 26, 2021 714.65 717.75 692.90 696.56
5176 NASDAQ ALGN Wed, Aug 25, 2021 713.25 721.45 711.72 716.90
5175 NASDAQ ALGN Tue, Aug 24, 2021 696.34 715.74 696.34 712.84
5174 NASDAQ ALGN Mon, Aug 23, 2021 687.38 699.53 686.86 697.50
5173 NASDAQ ALGN Fri, Aug 20, 2021 681.40 684.26 672.81 681.57
5172 NASDAQ ALGN Thu, Aug 19, 2021 671.03 685.53 669.64 679.86
5171 NASDAQ ALGN Wed, Aug 18, 2021 680.82 690.96 672.73 675.26
5170 NASDAQ ALGN Tue, Aug 17, 2021 690.78 690.78 669.31 680.89
5169 NASDAQ ALGN Mon, Aug 16, 2021 684.20 690.84 681.19 690.75
5168 NASDAQ ALGN Fri, Aug 13, 2021 700.86 704.85 685.69 691.19
5167 NASDAQ ALGN Thu, Aug 12, 2021 687.72 705.84 683.59 704.27
5166 NASDAQ ALGN Wed, Aug 11, 2021 690.23 692.12 676.24 687.78
5165 NASDAQ ALGN Tue, Aug 10, 2021 689.57 691.81 674.19 687.38
5164 NASDAQ ALGN Mon, Aug 9, 2021 693.50 695.00 684.90 686.56
5163 NASDAQ ALGN Fri, Aug 6, 2021 696.74 700.79 684.00 693.67
5162 NASDAQ ALGN Thu, Aug 5, 2021 711.00 714.15 694.12 699.22
5161 NASDAQ ALGN Wed, Aug 4, 2021 698.90 712.98 698.58 708.01
5160 NASDAQ ALGN Tue, Aug 3, 2021 700.42 706.07 687.56 701.34
5159 NASDAQ ALGN Mon, Aug 2, 2021 700.00 713.70 695.60 700.00
5158 NASDAQ ALGN Fri, Jul 30, 2021 675.60 697.87 673.00 695.80
5157 NASDAQ ALGN Thu, Jul 29, 2021 634.36 682.59 634.00 676.98
5156 NASDAQ ALGN Wed, Jul 28, 2021 624.14 630.00 616.58 621.87
5155 NASDAQ ALGN Tue, Jul 27, 2021 632.74 638.20 617.67 625.51
5154 NASDAQ ALGN Mon, Jul 26, 2021 636.01 636.62 623.56 635.58
5153 NASDAQ ALGN Fri, Jul 23, 2021 624.90 640.41 624.90 638.28
5152 NASDAQ ALGN Thu, Jul 22, 2021 623.39 628.99 615.92 627.92
5151 NASDAQ ALGN Wed, Jul 21, 2021 615.53 621.47 603.50 619.65
5150 NASDAQ ALGN Tue, Jul 20, 2021 596.04 620.37 589.24 615.71
5149 NASDAQ ALGN Mon, Jul 19, 2021 609.37 609.37 591.56 595.56
5148 NASDAQ ALGN Fri, Jul 16, 2021 623.39 628.35 613.52 616.12
5147 NASDAQ ALGN Thu, Jul 15, 2021 633.89 638.27 609.36 621.70
5146 NASDAQ ALGN Wed, Jul 14, 2021 647.50 653.86 631.73 635.09
5145 NASDAQ ALGN Tue, Jul 13, 2021 642.86 647.83 636.45 642.40
5144 NASDAQ ALGN Mon, Jul 12, 2021 631.70 644.89 623.75 642.86
5143 NASDAQ ALGN Fri, Jul 9, 2021 621.92 638.48 613.71 627.19
5142 NASDAQ ALGN Thu, Jul 8, 2021 604.93 620.53 598.02 616.79
5141 NASDAQ ALGN Wed, Jul 7, 2021 609.01 617.27 604.01 612.22
5140 NASDAQ ALGN Tue, Jul 6, 2021 624.04 626.96 592.13 604.67
5139 NASDAQ ALGN Fri, Jul 2, 2021 624.81 625.36 615.36 624.17
5138 NASDAQ ALGN Thu, Jul 1, 2021 609.31 619.04 607.59 618.96
5137 NASDAQ ALGN Wed, Jun 30, 2021 608.73 616.08 603.54 611.00
5136 NASDAQ ALGN Tue, Jun 29, 2021 623.00 624.55 611.57 612.80
5135 NASDAQ ALGN Mon, Jun 28, 2021 618.45 629.35 614.43 621.52
5134 NASDAQ ALGN Fri, Jun 25, 2021 623.00 625.65 607.32 614.98
5133 NASDAQ ALGN Thu, Jun 24, 2021 609.64 627.44 608.00 617.39
5132 NASDAQ ALGN Wed, Jun 23, 2021 602.39 608.61 596.00 605.82
5131 NASDAQ ALGN Tue, Jun 22, 2021 611.51 611.81 598.11 604.71
5130 NASDAQ ALGN Mon, Jun 21, 2021 604.94 615.18 597.84 611.54
5129 NASDAQ ALGN Fri, Jun 18, 2021 609.78 617.11 599.34 601.64
5128 NASDAQ ALGN Thu, Jun 17, 2021 596.80 616.66 595.82 613.33
5127 NASDAQ ALGN Wed, Jun 16, 2021 599.20 601.88 587.59 599.60
5126 NASDAQ ALGN Tue, Jun 15, 2021 609.38 613.15 596.12 600.05
5125 NASDAQ ALGN Mon, Jun 14, 2021 613.59 614.95 601.20 605.77
5124 NASDAQ ALGN Fri, Jun 11, 2021 611.99 615.80 605.64 611.54
5123 NASDAQ ALGN Thu, Jun 10, 2021 585.81 612.56 582.55 612.15
5122 NASDAQ ALGN Wed, Jun 9, 2021 593.00 595.65 583.67 585.50
5121 NASDAQ ALGN Tue, Jun 8, 2021 582.08 591.94 579.15 589.76
5120 NASDAQ ALGN Mon, Jun 7, 2021 579.44 585.95 575.29 580.27
5119 NASDAQ ALGN Fri, Jun 4, 2021 574.45 586.00 572.53 582.35
5118 NASDAQ ALGN Thu, Jun 3, 2021 567.28 576.56 563.87 566.96
5117 NASDAQ ALGN Wed, Jun 2, 2021 592.82 592.82 573.85 575.49
5116 NASDAQ ALGN Tue, Jun 1, 2021 592.44 596.76 585.11 593.48
5115 NASDAQ ALGN Fri, May 28, 2021 605.00 609.14 589.73 590.15
5114 NASDAQ ALGN Thu, May 27, 2021 595.00 603.17 586.51 599.77
5113 NASDAQ ALGN Wed, May 26, 2021 593.00 599.49 591.26 596.69
5112 NASDAQ ALGN Tue, May 25, 2021 605.15 610.49 592.95 594.95
5111 NASDAQ ALGN Mon, May 24, 2021 596.90 611.00 594.10 604.45
5110 NASDAQ ALGN Fri, May 21, 2021 594.10 601.39 587.81 591.75
5109 NASDAQ ALGN Thu, May 20, 2021 575.00 590.53 574.19 587.90
5108 NASDAQ ALGN Wed, May 19, 2021 557.42 572.31 551.01 571.49
5107 NASDAQ ALGN Tue, May 18, 2021 567.10 582.71 565.51 569.50
5106 NASDAQ ALGN Mon, May 17, 2021 562.10 567.53 554.97 559.52
5105 NASDAQ ALGN Fri, May 14, 2021 562.55 572.50 555.98 569.04
5104 NASDAQ ALGN Thu, May 13, 2021 557.58 559.95 546.02 553.62
5103 NASDAQ ALGN Wed, May 12, 2021 553.42 557.58 547.51 548.64
5102 NASDAQ ALGN Tue, May 11, 2021 539.91 570.12 536.23 566.26
5101 NASDAQ ALGN Mon, May 10, 2021 596.16 596.16 551.28 554.50
5100 NASDAQ ALGN Fri, May 7, 2021 586.08 604.00 586.08 598.34
5099 NASDAQ ALGN Thu, May 6, 2021 568.69 584.95 560.58 584.72
5098 NASDAQ ALGN Wed, May 5, 2021 587.00 587.24 568.26 569.25
5097 NASDAQ ALGN Tue, May 4, 2021 594.18 594.18 560.50 582.15
5096 NASDAQ ALGN Mon, May 3, 2021 599.14 610.12 595.60 599.77
5095 NASDAQ ALGN Fri, Apr 30, 2021 597.76 615.75 594.22 595.53
5094 NASDAQ ALGN Thu, Apr 29, 2021 643.16 647.20 590.44 604.34
5093 NASDAQ ALGN Wed, Apr 28, 2021 616.12 623.11 611.65 613.36
5092 NASDAQ ALGN Tue, Apr 27, 2021 620.41 625.79 613.73 621.76
5091 NASDAQ ALGN Mon, Apr 26, 2021 620.98 625.61 613.55 617.24
5090 NASDAQ ALGN Fri, Apr 23, 2021 616.00 624.79 616.00 620.12
5089 NASDAQ ALGN Thu, Apr 22, 2021 621.52 627.53 609.75 615.31
5088 NASDAQ ALGN Wed, Apr 21, 2021 595.63 618.00 593.18 616.08
5087 NASDAQ ALGN Tue, Apr 20, 2021 603.85 604.50 588.29 596.20
5086 NASDAQ ALGN Mon, Apr 19, 2021 608.31 610.00 593.67 603.72
5085 NASDAQ ALGN Fri, Apr 16, 2021 607.14 608.00 599.02 606.33
5084 NASDAQ ALGN Thu, Apr 15, 2021 598.57 608.20 598.57 606.23
5083 NASDAQ ALGN Wed, Apr 14, 2021 595.70 604.17 589.26 594.93
5082 NASDAQ ALGN Tue, Apr 13, 2021 602.49 608.02 591.63 595.63
5081 NASDAQ ALGN Mon, Apr 12, 2021 593.59 602.07 585.66 601.11
5080 NASDAQ ALGN Fri, Apr 9, 2021 576.52 592.99 575.00 592.56
5079 NASDAQ ALGN Thu, Apr 8, 2021 558.87 577.92 556.82 575.75
5078 NASDAQ ALGN Wed, Apr 7, 2021 556.01 559.38 545.95 552.56
5077 NASDAQ ALGN Tue, Apr 6, 2021 551.54 563.96 547.56 553.84
5076 NASDAQ ALGN Mon, Apr 5, 2021 550.33 554.49 544.51 547.94
5075 NASDAQ ALGN Thu, Apr 1, 2021 546.24 557.15 544.00 545.05
5074 NASDAQ ALGN Wed, Mar 31, 2021 532.00 545.21 529.25 541.53
5073 NASDAQ ALGN Tue, Mar 30, 2021 516.22 526.11 511.13 524.33
5072 NASDAQ ALGN Mon, Mar 29, 2021 523.19 526.79 502.23 516.00
5071 NASDAQ ALGN Fri, Mar 26, 2021 518.81 528.78 511.97 528.34
5070 NASDAQ ALGN Thu, Mar 25, 2021 502.06 520.24 498.00 517.87
5069 NASDAQ ALGN Wed, Mar 24, 2021 521.00 522.49 504.58 506.17
5068 NASDAQ ALGN Tue, Mar 23, 2021 528.32 531.93 517.18 518.88
5067 NASDAQ ALGN Mon, Mar 22, 2021 532.34 538.91 528.19 530.60
5066 NASDAQ ALGN Fri, Mar 19, 2021 520.97 533.81 513.02 529.46
5065 NASDAQ ALGN Thu, Mar 18, 2021 527.91 533.41 512.25 514.36
5064 NASDAQ ALGN Wed, Mar 17, 2021 532.38 546.49 527.26 540.01
5063 NASDAQ ALGN Tue, Mar 16, 2021 566.41 566.65 539.11 542.54
5062 NASDAQ ALGN Mon, Mar 15, 2021 551.09 560.18 540.61 558.85
5061 NASDAQ ALGN Fri, Mar 12, 2021 538.65 538.65 529.23 536.44
5060 NASDAQ ALGN Thu, Mar 11, 2021 529.31 544.92 523.90 544.00
5059 NASDAQ ALGN Wed, Mar 10, 2021 527.44 534.82 509.21 511.79
5058 NASDAQ ALGN Tue, Mar 9, 2021 511.16 527.02 511.16 515.87
5057 NASDAQ ALGN Mon, Mar 8, 2021 532.28 538.20 494.45 496.07
5056 NASDAQ ALGN Fri, Mar 5, 2021 525.00 539.94 504.03 536.46
5055 NASDAQ ALGN Thu, Mar 4, 2021 523.70 535.21 510.00 520.45
5054 NASDAQ ALGN Wed, Mar 3, 2021 559.00 560.00 525.77 527.43
5053 NASDAQ ALGN Tue, Mar 2, 2021 565.00 576.35 558.00 563.21
5052 NASDAQ ALGN Mon, Mar 1, 2021 567.57 577.80 557.79 565.11
5051 NASDAQ ALGN Fri, Feb 26, 2021 561.46 574.98 554.20 567.11
5050 NASDAQ ALGN Thu, Feb 25, 2021 578.87 581.67 547.73 556.11
5049 NASDAQ ALGN Wed, Feb 24, 2021 560.13 577.44 553.85 573.26
5048 NASDAQ ALGN Tue, Feb 23, 2021 563.28 572.61 552.91 567.81
5047 NASDAQ ALGN Mon, Feb 22, 2021 590.37 596.89 578.12 579.54
5046 NASDAQ ALGN Fri, Feb 19, 2021 595.91 601.93 593.15 599.25
5045 NASDAQ ALGN Thu, Feb 18, 2021 596.07 600.09 584.55 594.99
5044 NASDAQ ALGN Wed, Feb 17, 2021 603.67 611.96 589.00 599.53
5043 NASDAQ ALGN Tue, Feb 16, 2021 612.69 615.76 604.07 614.21
5042 NASDAQ ALGN Fri, Feb 12, 2021 601.86 609.99 595.16 609.58
5041 NASDAQ ALGN Thu, Feb 11, 2021 611.77 611.77 591.15 599.00
5040 NASDAQ ALGN Wed, Feb 10, 2021 618.07 618.07 598.21 605.78
5039 NASDAQ ALGN Tue, Feb 9, 2021 601.39 618.84 601.39 615.00
5038 NASDAQ ALGN Mon, Feb 8, 2021 622.19 630.04 595.78 602.44
5037 NASDAQ ALGN Fri, Feb 5, 2021 622.09 624.54 614.01 620.45
5036 NASDAQ ALGN Thu, Feb 4, 2021 607.50 634.46 600.95 615.16
5035 NASDAQ ALGN Wed, Feb 3, 2021 557.49 557.49 541.17 546.18
5034 NASDAQ ALGN Tue, Feb 2, 2021 551.78 567.83 548.01 557.77
5033 NASDAQ ALGN Mon, Feb 1, 2021 539.93 544.75 527.02 543.05
5032 NASDAQ ALGN Fri, Jan 29, 2021 525.16 530.55 517.55 525.38
5031 NASDAQ ALGN Thu, Jan 28, 2021 509.36 547.57 509.36 536.58
5030 NASDAQ ALGN Wed, Jan 27, 2021 519.33 527.69 507.77 509.64
5029 NASDAQ ALGN Tue, Jan 26, 2021 541.27 545.00 530.06 535.10
5028 NASDAQ ALGN Mon, Jan 25, 2021 533.39 540.74 510.11 539.47
5027 NASDAQ ALGN Fri, Jan 22, 2021 546.85 546.85 531.17 534.08
5026 NASDAQ ALGN Thu, Jan 21, 2021 563.97 565.32 543.32 543.81
5025 NASDAQ ALGN Wed, Jan 20, 2021 568.84 575.92 560.07 564.37
5024 NASDAQ ALGN Tue, Jan 19, 2021 574.72 574.72 545.08 557.41
5023 NASDAQ ALGN Fri, Jan 15, 2021 553.19 569.66 548.00 567.23
5022 NASDAQ ALGN Thu, Jan 14, 2021 546.51 561.12 543.01 554.64
5021 NASDAQ ALGN Wed, Jan 13, 2021 551.26 553.76 543.91 551.14
5020 NASDAQ ALGN Tue, Jan 12, 2021 552.34 562.39 548.41 552.88
5019 NASDAQ ALGN Mon, Jan 11, 2021 565.01 566.10 551.83 557.04
5018 NASDAQ ALGN Fri, Jan 8, 2021 561.63 579.50 559.00 570.53
5017 NASDAQ ALGN Thu, Jan 7, 2021 547.78 561.35 544.27 558.36
5016 NASDAQ ALGN Wed, Jan 6, 2021 534.33 546.48 531.46 540.39
5015 NASDAQ ALGN Tue, Jan 5, 2021 526.97 544.07 526.77 543.65
5014 NASDAQ ALGN Mon, Jan 4, 2021 549.61 560.00 519.70 526.46
5013 NASDAQ ALGN Thu, Dec 31, 2020 526.87 535.40 523.33 534.38
5012 NASDAQ ALGN Wed, Dec 30, 2020 522.29 527.97 519.75 524.32
5011 NASDAQ ALGN Tue, Dec 29, 2020 524.92 525.77 512.80 520.45
5010 NASDAQ ALGN Mon, Dec 28, 2020 532.32 532.74 518.84 520.86
5009 NASDAQ ALGN Thu, Dec 24, 2020 528.14 529.21 521.13 528.03
5008 NASDAQ ALGN Wed, Dec 23, 2020 540.52 543.65 524.99 525.00
5007 NASDAQ ALGN Tue, Dec 22, 2020 531.99 536.60 527.60 536.59
5006 NASDAQ ALGN Mon, Dec 21, 2020 518.09 531.60 513.34 530.71
5005 NASDAQ ALGN Fri, Dec 18, 2020 533.01 535.00 521.65 529.92
5004 NASDAQ ALGN Thu, Dec 17, 2020 522.00 527.25 516.95 526.72
5003 NASDAQ ALGN Wed, Dec 16, 2020 511.08 520.38 510.27 516.34
5002 NASDAQ ALGN Tue, Dec 15, 2020 511.80 519.06 502.60 516.30
5001 NASDAQ ALGN Mon, Dec 14, 2020 510.90 522.34 502.31 504.31
5000 NASDAQ ALGN Fri, Dec 11, 2020 507.00 509.50 498.26 507.08
4999 NASDAQ ALGN Thu, Dec 10, 2020 506.89 511.32 499.57 508.39
4998 NASDAQ ALGN Wed, Dec 9, 2020 516.24 520.88 507.31 509.01
4997 NASDAQ ALGN Tue, Dec 8, 2020 516.75 518.17 509.27 515.76
4996 NASDAQ ALGN Mon, Dec 7, 2020 521.90 524.61 515.50 517.71
4995 NASDAQ ALGN Fri, Dec 4, 2020 511.96 524.88 510.32 521.72
4994 NASDAQ ALGN Thu, Dec 3, 2020 506.24 516.30 505.31 511.00
4993 NASDAQ ALGN Wed, Dec 2, 2020 496.57 507.64 491.79 505.48
4992 NASDAQ ALGN Tue, Dec 1, 2020 487.46 508.96 485.60 500.10
4991 NASDAQ ALGN Mon, Nov 30, 2020 472.40 483.88 471.31 481.29
4990 NASDAQ ALGN Fri, Nov 27, 2020 470.92 477.17 468.14 475.50
4989 NASDAQ ALGN Wed, Nov 25, 2020 470.69 474.61 465.76 473.69
4988 NASDAQ ALGN Tue, Nov 24, 2020 483.01 486.00 465.46 475.10
4987 NASDAQ ALGN Mon, Nov 23, 2020 452.15 479.54 449.47 476.58
4986 NASDAQ ALGN Fri, Nov 20, 2020 443.39 452.57 439.86 446.45
4985 NASDAQ ALGN Thu, Nov 19, 2020 443.54 447.14 439.71 441.35
4984 NASDAQ ALGN Wed, Nov 18, 2020 449.06 455.15 442.87 444.61
4983 NASDAQ ALGN Tue, Nov 17, 2020 452.00 456.41 444.75 451.38
4982 NASDAQ ALGN Mon, Nov 16, 2020 463.24 466.75 450.89 457.17
4981 NASDAQ ALGN Fri, Nov 13, 2020 455.77 461.17 452.25 457.26
4980 NASDAQ ALGN Thu, Nov 12, 2020 455.72 464.85 449.03 452.76
4979 NASDAQ ALGN Wed, Nov 11, 2020 464.70 469.59 456.48 461.78
4978 NASDAQ ALGN Tue, Nov 10, 2020 484.48 484.48 457.61 464.32
4977 NASDAQ ALGN Mon, Nov 9, 2020 501.00 507.05 476.79 476.99
4976 NASDAQ ALGN Fri, Nov 6, 2020 490.45 491.50 476.12 477.85
4975 NASDAQ ALGN Thu, Nov 5, 2020 486.47 498.67 486.47 491.91
4974 NASDAQ ALGN Wed, Nov 4, 2020 472.23 484.50 471.01 483.46
4973 NASDAQ ALGN Tue, Nov 3, 2020 460.23 465.66 453.16 465.01
4972 NASDAQ ALGN Mon, Nov 2, 2020 432.10 458.44 430.37 458.44
4971 NASDAQ ALGN Fri, Oct 30, 2020 432.00 435.90 417.36 426.08
4970 NASDAQ ALGN Thu, Oct 29, 2020 436.60 442.86 428.88 436.57
4969 NASDAQ ALGN Wed, Oct 28, 2020 447.81 450.48 439.00 439.51
4968 NASDAQ ALGN Tue, Oct 27, 2020 455.35 469.91 450.92 455.09
4967 NASDAQ ALGN Mon, Oct 26, 2020 462.73 475.37 447.93 454.51
4966 NASDAQ ALGN Fri, Oct 23, 2020 451.34 470.43 444.77 469.56
4965 NASDAQ ALGN Thu, Oct 22, 2020 424.32 459.00 424.00 453.23
4964 NASDAQ ALGN Wed, Oct 21, 2020 334.20 338.68 328.97 335.81
4963 NASDAQ ALGN Tue, Oct 20, 2020 330.14 339.68 327.91 334.60
4962 NASDAQ ALGN Mon, Oct 19, 2020 339.00 343.21 322.87 326.84
4961 NASDAQ ALGN Fri, Oct 16, 2020 338.89 343.00 335.08 336.52
4960 NASDAQ ALGN Thu, Oct 15, 2020 330.11 338.12 330.00 336.67
4959 NASDAQ ALGN Wed, Oct 14, 2020 333.53 337.20 328.39 333.10
4958 NASDAQ ALGN Tue, Oct 13, 2020 334.48 336.26 329.02 330.82
4957 NASDAQ ALGN Mon, Oct 12, 2020 334.99 339.77 330.90 335.75
4956 NASDAQ ALGN Fri, Oct 9, 2020 331.39 331.86 325.18 328.64
4955 NASDAQ ALGN Thu, Oct 8, 2020 325.59 328.56 321.86 327.57
4954 NASDAQ ALGN Wed, Oct 7, 2020 320.40 327.09 320.40 323.62
4953 NASDAQ ALGN Tue, Oct 6, 2020 322.19 327.91 315.24 316.08
4952 NASDAQ ALGN Mon, Oct 5, 2020 317.63 320.31 312.72 319.51
4951 NASDAQ ALGN Fri, Oct 2, 2020 312.02 319.13 310.03 314.89
4950 NASDAQ ALGN Thu, Oct 1, 2020 333.64 333.64 313.86 317.61
4949 NASDAQ ALGN Wed, Sep 30, 2020 322.56 332.88 320.29 327.36
4948 NASDAQ ALGN Tue, Sep 29, 2020 323.90 328.92 320.00 320.17
4947 NASDAQ ALGN Mon, Sep 28, 2020 324.93 328.78 320.99 322.86
4946 NASDAQ ALGN Fri, Sep 25, 2020 310.03 320.95 307.17 317.93
4945 NASDAQ ALGN Thu, Sep 24, 2020 306.15 316.43 297.44 311.88
4944 NASDAQ ALGN Wed, Sep 23, 2020 322.04 325.00 307.38 308.32
4943 NASDAQ ALGN Tue, Sep 22, 2020 326.76 327.02 313.98 322.57
4942 NASDAQ ALGN Mon, Sep 21, 2020 314.79 322.56 302.04 322.30
4941 NASDAQ ALGN Fri, Sep 18, 2020 329.60 333.13 314.97 320.97
4940 NASDAQ ALGN Thu, Sep 17, 2020 323.37 329.26 319.02 328.03
4939 NASDAQ ALGN Wed, Sep 16, 2020 338.23 340.29 328.74 329.86
4938 NASDAQ ALGN Tue, Sep 15, 2020 326.93 339.73 324.73 335.24
4937 NASDAQ ALGN Mon, Sep 14, 2020 319.49 326.60 319.49 323.46
4936 NASDAQ ALGN Fri, Sep 11, 2020 328.95 333.00 314.00 317.66
4935 NASDAQ ALGN Thu, Sep 10, 2020 324.06 333.07 324.00 327.95
4934 NASDAQ ALGN Wed, Sep 9, 2020 310.07 328.84 310.07 323.92
4933 NASDAQ ALGN Tue, Sep 8, 2020 299.99 313.81 299.03 309.22
4932 NASDAQ ALGN Fri, Sep 4, 2020 318.00 318.00 299.33 309.00
4931 NASDAQ ALGN Thu, Sep 3, 2020 324.45 325.00 310.68 314.52
4930 NASDAQ ALGN Wed, Sep 2, 2020 307.72 324.88 306.64 324.43
4929 NASDAQ ALGN Tue, Sep 1, 2020 297.10 307.25 293.33 305.43
4928 NASDAQ ALGN Mon, Aug 31, 2020 300.21 300.94 295.03 296.98
4927 NASDAQ ALGN Fri, Aug 28, 2020 306.00 306.24 299.80 300.58
4926 NASDAQ ALGN Thu, Aug 27, 2020 300.27 310.35 299.26 305.64
4925 NASDAQ ALGN Wed, Aug 26, 2020 294.12 301.93 291.23 300.70
4924 NASDAQ ALGN Tue, Aug 25, 2020 296.03 297.27 289.52 296.68
4923 NASDAQ ALGN Mon, Aug 24, 2020 297.31 303.35 293.13 295.08
4922 NASDAQ ALGN Fri, Aug 21, 2020 296.27 299.84 293.63 294.29
4921 NASDAQ ALGN Thu, Aug 20, 2020 300.00 302.10 295.23 297.25
4920 NASDAQ ALGN Wed, Aug 19, 2020 307.48 308.45 301.07 301.51
4919 NASDAQ ALGN Tue, Aug 18, 2020 310.87 311.00 304.58 306.07
4918 NASDAQ ALGN Mon, Aug 17, 2020 310.67 314.89 308.82 309.52
4917 NASDAQ ALGN Fri, Aug 14, 2020 311.01 312.89 305.72 306.96
4916 NASDAQ ALGN Thu, Aug 13, 2020 308.56 316.28 306.99 312.22
4915 NASDAQ ALGN Wed, Aug 12, 2020 306.27 309.75 303.88 307.98
4914 NASDAQ ALGN Tue, Aug 11, 2020 304.95 311.43 302.60 304.13
4913 NASDAQ ALGN Mon, Aug 10, 2020 305.37 307.21 298.86 302.91
4912 NASDAQ ALGN Fri, Aug 7, 2020 301.10 309.10 299.99 305.81
4911 NASDAQ ALGN Thu, Aug 6, 2020 294.52 301.90 292.34 301.80
4910 NASDAQ ALGN Wed, Aug 5, 2020 289.70 299.66 287.23 298.51
4909 NASDAQ ALGN Tue, Aug 4, 2020 286.65 289.29 279.83 288.27
4908 NASDAQ ALGN Mon, Aug 3, 2020 296.01 297.75 287.00 287.36
4907 NASDAQ ALGN Fri, Jul 31, 2020 297.43 297.60 288.53 293.82
4906 NASDAQ ALGN Thu, Jul 30, 2020 296.83 296.83 289.73 296.13
4905 NASDAQ ALGN Wed, Jul 29, 2020 299.07 306.49 299.07 300.24
4904 NASDAQ ALGN Tue, Jul 28, 2020 307.87 308.47 299.06 299.11
4903 NASDAQ ALGN Mon, Jul 27, 2020 296.40 309.46 294.57 308.75
4902 NASDAQ ALGN Fri, Jul 24, 2020 298.06 303.30 293.93 298.14
4901 NASDAQ ALGN Thu, Jul 23, 2020 305.50 314.40 296.73 299.05
4900 NASDAQ ALGN Wed, Jul 22, 2020 315.00 319.50 312.49 317.97
4899 NASDAQ ALGN Tue, Jul 21, 2020 316.12 319.20 312.19 315.33
4898 NASDAQ ALGN Mon, Jul 20, 2020 310.47 315.46 309.04 312.97
4897 NASDAQ ALGN Fri, Jul 17, 2020 312.83 326.36 310.33 322.30
4896 NASDAQ ALGN Thu, Jul 16, 2020 308.81 313.77 305.87 309.00
4895 NASDAQ ALGN Wed, Jul 15, 2020 303.52 321.49 302.00 314.30
4894 NASDAQ ALGN Tue, Jul 14, 2020 269.04 299.96 267.63 299.62
4893 NASDAQ ALGN Mon, Jul 13, 2020 274.93 279.46 269.45 270.24
4892 NASDAQ ALGN Fri, Jul 10, 2020 273.60 274.00 269.93 273.29
4891 NASDAQ ALGN Thu, Jul 9, 2020 278.67 279.81 268.77 274.08
4890 NASDAQ ALGN Wed, Jul 8, 2020 274.35 279.29 272.25 278.39
4889 NASDAQ ALGN Tue, Jul 7, 2020 281.88 284.49 274.41 274.71
4888 NASDAQ ALGN Mon, Jul 6, 2020 284.15 288.13 279.94 282.44
4887 NASDAQ ALGN Thu, Jul 2, 2020 279.15 285.60 276.65 279.93
4886 NASDAQ ALGN Wed, Jul 1, 2020 275.95 280.61 272.56 273.84
4885 NASDAQ ALGN Tue, Jun 30, 2020 266.67 275.81 264.37 274.44
4884 NASDAQ ALGN Mon, Jun 29, 2020 265.34 268.00 259.16 266.48
4883 NASDAQ ALGN Fri, Jun 26, 2020 258.03 265.90 254.69 263.14
4882 NASDAQ ALGN Thu, Jun 25, 2020 255.44 258.31 251.11 257.43
4881 NASDAQ ALGN Wed, Jun 24, 2020 261.97 265.57 253.29 257.65
4880 NASDAQ ALGN Tue, Jun 23, 2020 263.11 268.88 262.97 267.41
4879 NASDAQ ALGN Mon, Jun 22, 2020 261.85 262.43 255.79 260.50
4878 NASDAQ ALGN Fri, Jun 19, 2020 269.06 271.06 257.05 260.91
4877 NASDAQ ALGN Thu, Jun 18, 2020 261.09 268.00 258.39 264.61
4876 NASDAQ ALGN Wed, Jun 17, 2020 269.10 269.10 261.12 262.21
4875 NASDAQ ALGN Tue, Jun 16, 2020 268.23 273.83 260.02 264.79
4874 NASDAQ ALGN Mon, Jun 15, 2020 244.96 259.83 241.57 258.80
4873 NASDAQ ALGN Fri, Jun 12, 2020 250.64 257.34 243.94 251.40
4872 NASDAQ ALGN Thu, Jun 11, 2020 254.44 255.00 237.24 238.28
4871 NASDAQ ALGN Wed, Jun 10, 2020 280.00 283.91 266.61 267.56
4870 NASDAQ ALGN Tue, Jun 9, 2020 286.00 287.51 279.42 279.71
4869 NASDAQ ALGN Mon, Jun 8, 2020 286.31 292.04 285.21 289.75
4868 NASDAQ ALGN Fri, Jun 5, 2020 267.85 288.88 267.05 288.21
4867 NASDAQ ALGN Thu, Jun 4, 2020 268.11 271.00 258.83 260.07
4866 NASDAQ ALGN Wed, Jun 3, 2020 265.00 272.94 263.13 268.35
4865 NASDAQ ALGN Tue, Jun 2, 2020 253.09 263.83 251.00 263.79
4864 NASDAQ ALGN Mon, Jun 1, 2020 247.34 250.85 243.80 250.55
4863 NASDAQ ALGN Fri, May 29, 2020 247.67 252.85 242.60 245.62
4862 NASDAQ ALGN Thu, May 28, 2020 253.08 254.98 248.01 249.18
4861 NASDAQ ALGN Wed, May 27, 2020 251.36 252.36 238.44 251.41
4860 NASDAQ ALGN Tue, May 26, 2020 252.30 255.65 244.65 247.90
4859 NASDAQ ALGN Fri, May 22, 2020 237.23 245.50 235.35 243.74
4858 NASDAQ ALGN Thu, May 21, 2020 235.00 240.09 232.23 235.96
4857 NASDAQ ALGN Wed, May 20, 2020 227.98 240.72 226.15 236.02
4856 NASDAQ ALGN Tue, May 19, 2020 229.42 229.98 224.29 224.37
4855 NASDAQ ALGN Mon, May 18, 2020 213.25 234.34 210.00 229.42
4854 NASDAQ ALGN Fri, May 15, 2020 201.08 205.65 199.56 203.67
4853 NASDAQ ALGN Thu, May 14, 2020 196.66 206.26 195.56 206.09
4852 NASDAQ ALGN Wed, May 13, 2020 204.19 205.07 197.54 200.98
4851 NASDAQ ALGN Tue, May 12, 2020 216.37 216.64 206.44 206.45
4850 NASDAQ ALGN Mon, May 11, 2020 207.71 217.65 206.43 214.30
4849 NASDAQ ALGN Fri, May 8, 2020 217.29 217.76 207.02 210.03
4848 NASDAQ ALGN Thu, May 7, 2020 218.41 221.99 210.50 213.50
4847 NASDAQ ALGN Wed, May 6, 2020 210.31 218.58 209.02 215.93
4846 NASDAQ ALGN Tue, May 5, 2020 214.81 219.99 207.58 208.61
4845 NASDAQ ALGN Mon, May 4, 2020 199.40 210.31 197.14 210.14
4844 NASDAQ ALGN Fri, May 1, 2020 208.08 209.02 201.01 203.26
4843 NASDAQ ALGN Thu, Apr 30, 2020 215.00 219.94 206.40 214.85
4842 NASDAQ ALGN Wed, Apr 29, 2020 206.41 227.44 205.60 220.58
4841 NASDAQ ALGN Tue, Apr 28, 2020 201.52 208.00 198.25 203.51
4840 NASDAQ ALGN Mon, Apr 27, 2020 193.45 196.99 192.41 196.67
4839 NASDAQ ALGN Fri, Apr 24, 2020 189.71 194.22 186.65 191.97
4838 NASDAQ ALGN Thu, Apr 23, 2020 190.34 195.99 187.76 188.57
4837 NASDAQ ALGN Wed, Apr 22, 2020 190.90 197.26 187.64 190.03
4836 NASDAQ ALGN Tue, Apr 21, 2020 191.08 193.82 184.67 187.26
4835 NASDAQ ALGN Mon, Apr 20, 2020 189.77 205.00 188.39 196.71
4834 NASDAQ ALGN Fri, Apr 17, 2020 188.37 193.38 183.99 193.00
4833 NASDAQ ALGN Thu, Apr 16, 2020 185.77 187.57 178.70 180.34
4832 NASDAQ ALGN Wed, Apr 15, 2020 182.11 186.87 181.17 183.83
4831 NASDAQ ALGN Tue, Apr 14, 2020 189.11 193.44 187.04 190.00
4830 NASDAQ ALGN Mon, Apr 13, 2020 189.34 190.43 178.90 185.72
4829 NASDAQ ALGN Thu, Apr 9, 2020 183.87 197.99 181.86 193.19
4828 NASDAQ ALGN Wed, Apr 8, 2020 176.84 185.94 174.43 184.41
4827 NASDAQ ALGN Tue, Apr 7, 2020 189.70 194.75 172.44 174.55
4826 NASDAQ ALGN Mon, Apr 6, 2020 167.05 177.88 164.04 176.74
4825 NASDAQ ALGN Fri, Apr 3, 2020 151.37 158.96 151.37 154.20
4824 NASDAQ ALGN Thu, Apr 2, 2020 155.07 160.70 150.38 152.07
4823 NASDAQ ALGN Wed, Apr 1, 2020 164.09 170.62 153.19 157.20
4822 NASDAQ ALGN Tue, Mar 31, 2020 177.99 182.54 169.76 173.95
4821 NASDAQ ALGN Mon, Mar 30, 2020 174.69 180.79 170.33 179.92
4820 NASDAQ ALGN Fri, Mar 27, 2020 180.50 182.01 173.39 177.04
4819 NASDAQ ALGN Thu, Mar 26, 2020 182.90 200.62 182.50 191.64
4818 NASDAQ ALGN Wed, Mar 25, 2020 170.37 194.48 168.01 183.68
4817 NASDAQ ALGN Tue, Mar 24, 2020 149.53 165.80 146.54 165.28
4816 NASDAQ ALGN Mon, Mar 23, 2020 146.25 148.66 133.00 137.72
4815 NASDAQ ALGN Fri, Mar 20, 2020 144.95 157.94 142.62 144.50
4814 NASDAQ ALGN Thu, Mar 19, 2020 141.29 146.79 127.88 142.23
4813 NASDAQ ALGN Wed, Mar 18, 2020 158.79 163.83 135.00 145.76
4812 NASDAQ ALGN Tue, Mar 17, 2020 165.43 171.68 147.08 169.25
4811 NASDAQ ALGN Mon, Mar 16, 2020 170.65 172.90 161.38 161.72
4810 NASDAQ ALGN Fri, Mar 13, 2020 190.00 195.97 179.05 195.88
4809 NASDAQ ALGN Thu, Mar 12, 2020 182.23 194.40 174.57 180.12
4808 NASDAQ ALGN Wed, Mar 11, 2020 221.43 223.15 199.46 202.18
4807 NASDAQ ALGN Tue, Mar 10, 2020 221.56 229.67 216.85 228.16
4806 NASDAQ ALGN Mon, Mar 9, 2020 209.26 221.50 202.95 216.84
4805 NASDAQ ALGN Fri, Mar 6, 2020 219.77 226.58 218.80 225.17
4804 NASDAQ ALGN Thu, Mar 5, 2020 229.54 236.58 226.52 230.69
4803 NASDAQ ALGN Wed, Mar 4, 2020 228.32 234.99 225.14 234.70
4802 NASDAQ ALGN Tue, Mar 3, 2020 229.44 238.68 222.00 224.56
4801 NASDAQ ALGN Mon, Mar 2, 2020 218.91 230.49 212.94 230.22
4800 NASDAQ ALGN Fri, Feb 28, 2020 215.33 220.47 211.01 218.35
4799 NASDAQ ALGN Thu, Feb 27, 2020 222.25 234.40 217.07 223.97
4798 NASDAQ ALGN Wed, Feb 26, 2020 232.69 236.69 226.75 227.54
4797 NASDAQ ALGN Tue, Feb 25, 2020 241.45 242.51 229.25 229.61
4796 NASDAQ ALGN Mon, Feb 24, 2020 245.36 248.99 238.50 240.11
4795 NASDAQ ALGN Fri, Feb 21, 2020 270.80 270.80 258.50 260.26
4794 NASDAQ ALGN Thu, Feb 20, 2020 277.24 277.24 270.00 272.49
4793 NASDAQ ALGN Wed, Feb 19, 2020 271.26 277.68 271.26 277.15
4792 NASDAQ ALGN Tue, Feb 18, 2020 273.00 273.50 264.70 269.93
4791 NASDAQ ALGN Fri, Feb 14, 2020 274.25 277.48 270.03 274.95
4790 NASDAQ ALGN Thu, Feb 13, 2020 271.11 275.20 265.47 272.97
4789 NASDAQ ALGN Wed, Feb 12, 2020 265.18 276.11 265.18 273.61
4788 NASDAQ ALGN Tue, Feb 11, 2020 259.51 265.85 259.29 264.46
4787 NASDAQ ALGN Mon, Feb 10, 2020 257.75 259.35 253.21 259.03
4786 NASDAQ ALGN Fri, Feb 7, 2020 265.00 265.00 258.09 258.67
4785 NASDAQ ALGN Thu, Feb 6, 2020 267.99 267.99 261.44 266.76
4784 NASDAQ ALGN Wed, Feb 5, 2020 260.05 269.34 258.00 267.50
4783 NASDAQ ALGN Tue, Feb 4, 2020 256.93 257.86 254.12 256.52
4782 NASDAQ ALGN Mon, Feb 3, 2020 257.50 259.62 251.88 253.02
4781 NASDAQ ALGN Fri, Jan 31, 2020 260.96 261.49 251.52 257.10
4780 NASDAQ ALGN Thu, Jan 30, 2020 248.74 264.45 248.35 262.89
4779 NASDAQ ALGN Wed, Jan 29, 2020 266.19 268.92 261.51 261.60
4778 NASDAQ ALGN Tue, Jan 28, 2020 265.81 268.68 262.56 267.82
4777 NASDAQ ALGN Mon, Jan 27, 2020 264.00 264.42 252.50 260.91
4776 NASDAQ ALGN Fri, Jan 24, 2020 272.11 278.39 269.43 269.98
4775 NASDAQ ALGN Thu, Jan 23, 2020 280.01 280.01 269.61 270.78
4774 NASDAQ ALGN Wed, Jan 22, 2020 274.89 281.80 274.89 279.31
4773 NASDAQ ALGN Tue, Jan 21, 2020 280.56 282.00 272.29 273.17
4772 NASDAQ ALGN Fri, Jan 17, 2020 285.69 287.77 278.64 280.70
4771 NASDAQ ALGN Thu, Jan 16, 2020 271.84 285.24 271.84 285.03
4770 NASDAQ ALGN Wed, Jan 15, 2020 285.69 287.26 269.46 274.10
4769 NASDAQ ALGN Tue, Jan 14, 2020 286.18 294.91 282.01 287.61
4768 NASDAQ ALGN Mon, Jan 13, 2020 295.65 299.87 293.07 298.07
4767 NASDAQ ALGN Fri, Jan 10, 2020 297.21 299.07 292.63 293.33
4766 NASDAQ ALGN Thu, Jan 9, 2020 290.77 301.65 290.00 296.54
4765 NASDAQ ALGN Wed, Jan 8, 2020 284.14 287.69 281.00 286.00
4764 NASDAQ ALGN Tue, Jan 7, 2020 285.92 286.45 281.47 283.06
4763 NASDAQ ALGN Mon, Jan 6, 2020 276.68 286.18 276.41 285.88
4762 NASDAQ ALGN Fri, Jan 3, 2020 279.10 282.02 278.68 280.44
4761 NASDAQ ALGN Thu, Jan 2, 2020 281.20 284.14 278.61 283.68
4760 NASDAQ ALGN Tue, Dec 31, 2019 275.17 280.68 275.17 279.04
4759 NASDAQ ALGN Mon, Dec 30, 2019 277.83 279.33 274.71 275.63
4758 NASDAQ ALGN Fri, Dec 27, 2019 278.75 279.90 275.21 277.64
4757 NASDAQ ALGN Thu, Dec 26, 2019 277.43 279.54 276.16 278.26
4756 NASDAQ ALGN Tue, Dec 24, 2019 276.92 278.82 274.62 277.89
4755 NASDAQ ALGN Mon, Dec 23, 2019 273.38 278.81 272.07 278.14
4754 NASDAQ ALGN Fri, Dec 20, 2019 275.32 275.32 270.15 272.89
4753 NASDAQ ALGN Thu, Dec 19, 2019 272.18 276.94 271.01 273.75
4752 NASDAQ ALGN Wed, Dec 18, 2019 269.48 274.03 268.85 272.61
4751 NASDAQ ALGN Tue, Dec 17, 2019 269.68 270.29 266.75 268.29
4750 NASDAQ ALGN Mon, Dec 16, 2019 267.34 271.98 267.34 270.01
4749 NASDAQ ALGN Fri, Dec 13, 2019 268.15 268.15 257.43 266.06
4748 NASDAQ ALGN Thu, Dec 12, 2019 275.90 276.34 266.29 268.39
4747 NASDAQ ALGN Wed, Dec 11, 2019 273.85 278.93 273.13 275.23
4746 NASDAQ ALGN Tue, Dec 10, 2019 273.05 274.16 269.50 273.65
4745 NASDAQ ALGN Mon, Dec 9, 2019 275.21 277.21 273.18 273.46
4744 NASDAQ ALGN Fri, Dec 6, 2019 276.45 278.49 274.11 275.72
4743 NASDAQ ALGN Thu, Dec 5, 2019 279.02 279.05 273.57 274.53
4742 NASDAQ ALGN Wed, Dec 4, 2019 277.26 279.50 275.82 277.71
4741 NASDAQ ALGN Tue, Dec 3, 2019 271.12 276.60 266.11 276.36
4740 NASDAQ ALGN Mon, Dec 2, 2019 276.54 278.99 269.54 274.34
4739 NASDAQ ALGN Fri, Nov 29, 2019 278.85 279.80 276.03 277.34
4738 NASDAQ ALGN Wed, Nov 27, 2019 279.01 280.72 278.08 279.62
4737 NASDAQ ALGN Tue, Nov 26, 2019 277.67 281.57 277.20 277.70
4736 NASDAQ ALGN Mon, Nov 25, 2019 276.00 279.88 275.03 278.07
4735 NASDAQ ALGN Fri, Nov 22, 2019 271.07 275.74 268.70 274.40
4734 NASDAQ ALGN Thu, Nov 21, 2019 269.00 273.00 267.43 272.14
4733 NASDAQ ALGN Wed, Nov 20, 2019 269.84 271.39 264.96 268.77
4732 NASDAQ ALGN Tue, Nov 19, 2019 269.60 272.86 266.22 271.60
4731 NASDAQ ALGN Mon, Nov 18, 2019 266.60 269.43 265.00 268.51
4730 NASDAQ ALGN Fri, Nov 15, 2019 260.48 265.24 259.20 263.92
4729 NASDAQ ALGN Thu, Nov 14, 2019 260.26 262.03 259.00 260.44
4728 NASDAQ ALGN Wed, Nov 13, 2019 257.32 261.00 255.27 259.63
4727 NASDAQ ALGN Tue, Nov 12, 2019 258.42 262.50 257.07 258.97
4726 NASDAQ ALGN Mon, Nov 11, 2019 258.69 260.72 257.51 258.60
4725 NASDAQ ALGN Fri, Nov 8, 2019 258.18 261.28 255.65 259.92
4724 NASDAQ ALGN Thu, Nov 7, 2019 257.92 261.60 253.33 258.94
4723 NASDAQ ALGN Wed, Nov 6, 2019 257.83 260.49 255.11 256.16
4722 NASDAQ ALGN Tue, Nov 5, 2019 258.87 260.20 255.15 257.91
4721 NASDAQ ALGN Mon, Nov 4, 2019 258.25 260.17 255.11 258.77
4720 NASDAQ ALGN Fri, Nov 1, 2019 254.31 261.87 253.02 257.04
4719 NASDAQ ALGN Thu, Oct 31, 2019 251.32 253.41 246.16 252.29
4718 NASDAQ ALGN Wed, Oct 30, 2019 255.65 255.65 247.54 252.71
4717 NASDAQ ALGN Tue, Oct 29, 2019 250.04 257.63 248.26 256.12
4716 NASDAQ ALGN Mon, Oct 28, 2019 243.36 253.45 241.76 250.42
4715 NASDAQ ALGN Fri, Oct 25, 2019 245.84 246.40 240.23 243.38
4714 NASDAQ ALGN Thu, Oct 24, 2019 237.30 251.70 233.41 249.47
4713 NASDAQ ALGN Wed, Oct 23, 2019 213.19 218.17 210.73 217.50
4712 NASDAQ ALGN Tue, Oct 22, 2019 210.98 215.60 207.03 213.60
4711 NASDAQ ALGN Mon, Oct 21, 2019 214.88 215.60 209.60 210.04
4710 NASDAQ ALGN Fri, Oct 18, 2019 214.68 216.43 210.28 213.88
4709 NASDAQ ALGN Thu, Oct 17, 2019 212.23 215.20 209.22 213.92
4708 NASDAQ ALGN Wed, Oct 16, 2019 208.98 212.65 208.10 211.56
4707 NASDAQ ALGN Tue, Oct 15, 2019 208.02 209.48 205.06 209.25
4706 NASDAQ ALGN Mon, Oct 14, 2019 200.16 206.70 199.80 205.15
4705 NASDAQ ALGN Fri, Oct 11, 2019 195.51 202.52 194.00 200.16
4704 NASDAQ ALGN Thu, Oct 10, 2019 189.25 194.19 189.17 194.17
4703 NASDAQ ALGN Wed, Oct 9, 2019 186.08 191.56 185.65 189.21
4702 NASDAQ ALGN Tue, Oct 8, 2019 183.43 186.07 181.26 184.30
4701 NASDAQ ALGN Mon, Oct 7, 2019 177.85 186.49 177.18 184.51
4700 NASDAQ ALGN Fri, Oct 4, 2019 184.59 187.67 180.12 181.59
4699 NASDAQ ALGN Thu, Oct 3, 2019 179.90 184.86 175.52 184.77
4698 NASDAQ ALGN Wed, Oct 2, 2019 181.44 182.00 176.36 179.75
4697 NASDAQ ALGN Tue, Oct 1, 2019 181.22 183.34 179.53 182.30
4696 NASDAQ ALGN Mon, Sep 30, 2019 176.51 181.85 176.51 180.92
4695 NASDAQ ALGN Fri, Sep 27, 2019 179.59 181.84 175.18 175.84
4694 NASDAQ ALGN Thu, Sep 26, 2019 183.27 185.00 176.63 178.99
4693 NASDAQ ALGN Wed, Sep 25, 2019 184.51 184.51 180.37 183.63
4692 NASDAQ ALGN Tue, Sep 24, 2019 185.18 186.57 182.24 183.05
4691 NASDAQ ALGN Mon, Sep 23, 2019 186.37 186.83 182.51 183.89
4690 NASDAQ ALGN Fri, Sep 20, 2019 180.80 188.16 179.50 186.54
4689 NASDAQ ALGN Thu, Sep 19, 2019 176.00 180.89 175.75 180.36
4688 NASDAQ ALGN Wed, Sep 18, 2019 177.59 178.02 171.85 175.80
4687 NASDAQ ALGN Tue, Sep 17, 2019 179.37 180.65 177.39 177.65
4686 NASDAQ ALGN Mon, Sep 16, 2019 176.46 179.54 176.16 179.37
4685 NASDAQ ALGN Fri, Sep 13, 2019 176.01 179.49 175.00 177.47
4684 NASDAQ ALGN Thu, Sep 12, 2019 181.65 184.55 174.06 174.62
4683 NASDAQ ALGN Wed, Sep 11, 2019 177.90 181.85 175.27 179.77
4682 NASDAQ ALGN Tue, Sep 10, 2019 172.89 179.35 171.32 177.80
4681 NASDAQ ALGN Mon, Sep 9, 2019 175.93 176.20 169.84 173.16
4680 NASDAQ ALGN Fri, Sep 6, 2019 178.65 179.13 174.38 175.06
4679 NASDAQ ALGN Thu, Sep 5, 2019 178.73 182.36 176.86 177.11
4678 NASDAQ ALGN Wed, Sep 4, 2019 180.35 180.72 174.24 176.38
4677 NASDAQ ALGN Tue, Sep 3, 2019 182.23 182.50 177.25 177.91
4676 NASDAQ ALGN Fri, Aug 30, 2019 182.00 186.21 180.55 183.11
4675 NASDAQ ALGN Thu, Aug 29, 2019 178.46 181.25 178.30 179.95
4674 NASDAQ ALGN Wed, Aug 28, 2019 172.50 178.83 172.11 177.31
4673 NASDAQ ALGN Tue, Aug 27, 2019 175.92 177.24 173.06 173.80
4672 NASDAQ ALGN Mon, Aug 26, 2019 177.17 179.08 173.30 175.19
4671 NASDAQ ALGN Fri, Aug 23, 2019 177.84 179.15 173.80 175.04
4670 NASDAQ ALGN Thu, Aug 22, 2019 177.91 181.41 177.45 178.97
4669 NASDAQ ALGN Wed, Aug 21, 2019 176.07 177.52 175.02 176.39
4668 NASDAQ ALGN Tue, Aug 20, 2019 177.24 178.16 174.30 174.50
4667 NASDAQ ALGN Mon, Aug 19, 2019 180.00 181.33 176.59 177.62
4666 NASDAQ ALGN Fri, Aug 16, 2019 175.93 178.34 175.46 177.29
4665 NASDAQ ALGN Thu, Aug 15, 2019 175.61 176.78 172.62 174.37
4664 NASDAQ ALGN Wed, Aug 14, 2019 179.22 179.86 174.09 174.29
4663 NASDAQ ALGN Tue, Aug 13, 2019 178.97 183.80 178.63 182.00
4662 NASDAQ ALGN Mon, Aug 12, 2019 181.26 182.77 178.60 179.68
4661 NASDAQ ALGN Fri, Aug 9, 2019 186.14 189.37 183.06 183.33
4660 NASDAQ ALGN Thu, Aug 8, 2019 185.20 189.75 185.20 188.28
4659 NASDAQ ALGN Wed, Aug 7, 2019 186.13 186.13 181.95 183.90
4658 NASDAQ ALGN Tue, Aug 6, 2019 189.07 192.33 186.51 188.44
4657 NASDAQ ALGN Mon, Aug 5, 2019 194.40 194.40 186.29 188.37
4656 NASDAQ ALGN Fri, Aug 2, 2019 201.55 205.40 198.68 199.38
4655 NASDAQ ALGN Thu, Aug 1, 2019 209.09 209.99 200.26 202.35
4654 NASDAQ ALGN Wed, Jul 31, 2019 208.00 214.50 206.27 209.08
4653 NASDAQ ALGN Tue, Jul 30, 2019 194.65 204.05 194.02 203.25
4652 NASDAQ ALGN Mon, Jul 29, 2019 199.18 199.64 189.60 196.05
4651 NASDAQ ALGN Fri, Jul 26, 2019 203.26 203.52 195.71 198.84
4650 NASDAQ ALGN Thu, Jul 25, 2019 219.28 219.71 197.11 200.90
4649 NASDAQ ALGN Wed, Jul 24, 2019 272.00 279.95 270.11 275.16
4648 NASDAQ ALGN Tue, Jul 23, 2019 274.88 276.14 269.29 272.96
4647 NASDAQ ALGN Mon, Jul 22, 2019 281.43 283.26 274.01 274.47
4646 NASDAQ ALGN Fri, Jul 19, 2019 284.57 288.36 280.00 281.21
4645 NASDAQ ALGN Thu, Jul 18, 2019 283.47 288.81 281.51 283.37
4644 NASDAQ ALGN Wed, Jul 17, 2019 281.68 286.28 281.00 283.91
4643 NASDAQ ALGN Tue, Jul 16, 2019 284.65 284.90 279.99 281.07
4642 NASDAQ ALGN Mon, Jul 15, 2019 283.57 286.91 280.56 284.30
4641 NASDAQ ALGN Fri, Jul 12, 2019 284.02 285.17 278.73 283.91
4640 NASDAQ ALGN Thu, Jul 11, 2019 290.00 290.78 280.15 282.59
4639 NASDAQ ALGN Wed, Jul 10, 2019 278.20 287.95 278.20 286.65
4638 NASDAQ ALGN Tue, Jul 9, 2019 269.63 275.92 269.63 275.41
4637 NASDAQ ALGN Mon, Jul 8, 2019 270.50 273.89 268.89 272.24
4636 NASDAQ ALGN Fri, Jul 5, 2019 274.11 276.94 268.66 273.29
4635 NASDAQ ALGN Wed, Jul 3, 2019 272.33 277.47 271.38 275.00
4634 NASDAQ ALGN Tue, Jul 2, 2019 272.65 276.22 269.57 270.90
4633 NASDAQ ALGN Mon, Jul 1, 2019 280.64 283.33 271.25 271.68
4632 NASDAQ ALGN Fri, Jun 28, 2019 270.05 274.17 263.70 273.70
4631 NASDAQ ALGN Thu, Jun 27, 2019 269.08 273.42 268.29 269.95
4630 NASDAQ ALGN Wed, Jun 26, 2019 277.24 277.24 267.36 268.08
4629 NASDAQ ALGN Tue, Jun 25, 2019 282.27 283.87 274.86 276.02
4628 NASDAQ ALGN Mon, Jun 24, 2019 283.50 286.75 279.46 282.16
4627 NASDAQ ALGN Fri, Jun 21, 2019 294.91 294.91 283.15 283.56
4626 NASDAQ ALGN Thu, Jun 20, 2019 302.03 302.03 294.30 295.67
4625 NASDAQ ALGN Wed, Jun 19, 2019 290.30 298.17 287.13 296.84
4624 NASDAQ ALGN Tue, Jun 18, 2019 293.23 297.05 288.95 290.06
4623 NASDAQ ALGN Mon, Jun 17, 2019 306.66 306.66 282.40 288.68
4622 NASDAQ ALGN Fri, Jun 14, 2019 312.08 312.08 305.02 305.70
4621 NASDAQ ALGN Thu, Jun 13, 2019 312.82 313.88 307.26 311.07
4620 NASDAQ ALGN Wed, Jun 12, 2019 309.30 312.17 304.65 312.00
4619 NASDAQ ALGN Tue, Jun 11, 2019 315.41 316.71 304.55 308.88
4618 NASDAQ ALGN Mon, Jun 10, 2019 309.34 319.17 309.34 315.03
4617 NASDAQ ALGN Fri, Jun 7, 2019 309.43 314.00 306.63 307.66
4616 NASDAQ ALGN Thu, Jun 6, 2019 302.03 308.59 298.48 306.36
4615 NASDAQ ALGN Wed, Jun 5, 2019 301.92 303.74 295.32 302.57
4614 NASDAQ ALGN Tue, Jun 4, 2019 288.16 298.08 286.63 297.24
4613 NASDAQ ALGN Mon, Jun 3, 2019 282.86 285.27 276.05 283.32
4612 NASDAQ ALGN Fri, May 31, 2019 277.88 289.61 272.60 284.35
4611 NASDAQ ALGN Thu, May 30, 2019 297.89 303.90 293.78 296.68
4610 NASDAQ ALGN Wed, May 29, 2019 302.37 302.37 293.82 297.41
4609 NASDAQ ALGN Tue, May 28, 2019 311.07 317.34 304.31 304.81
4608 NASDAQ ALGN Fri, May 24, 2019 309.59 312.90 306.82 311.47
4607 NASDAQ ALGN Thu, May 23, 2019 315.13 315.82 305.59 307.85
4606 NASDAQ ALGN Wed, May 22, 2019 321.04 323.00 315.89 318.82
4605 NASDAQ ALGN Tue, May 21, 2019 322.50 326.21 319.14 319.68
4604 NASDAQ ALGN Mon, May 20, 2019 319.55 322.69 313.58 319.68
4603 NASDAQ ALGN Fri, May 17, 2019 328.20 330.72 321.71 322.61
4602 NASDAQ ALGN Thu, May 16, 2019 326.00 334.64 326.00 330.87
4601 NASDAQ ALGN Wed, May 15, 2019 319.00 328.66 316.01 325.71
4600 NASDAQ ALGN Tue, May 14, 2019 312.25 323.18 312.08 320.09
4599 NASDAQ ALGN Mon, May 13, 2019 312.27 317.94 308.15 310.15
4598 NASDAQ ALGN Fri, May 10, 2019 322.15 324.77 314.00 321.93
4597 NASDAQ ALGN Thu, May 9, 2019 318.55 325.57 313.73 323.25
4596 NASDAQ ALGN Wed, May 8, 2019 324.27 325.00 318.52 322.87
4595 NASDAQ ALGN Tue, May 7, 2019 324.19 328.44 320.68 325.51
4594 NASDAQ ALGN Mon, May 6, 2019 320.80 329.59 317.20 329.46
4593 NASDAQ ALGN Fri, May 3, 2019 328.86 333.17 327.27 331.08
4592 NASDAQ ALGN Thu, May 2, 2019 320.70 332.00 318.56 325.88
4591 NASDAQ ALGN Wed, May 1, 2019 325.26 327.86 320.51 321.34
4590 NASDAQ ALGN Tue, Apr 30, 2019 318.52 325.37 318.00 324.68
4589 NASDAQ ALGN Mon, Apr 29, 2019 318.24 321.35 315.62 317.50
4588 NASDAQ ALGN Fri, Apr 26, 2019 298.75 318.19 297.90 317.98
4587 NASDAQ ALGN Thu, Apr 25, 2019 294.10 316.00 286.61 296.74
4586 NASDAQ ALGN Wed, Apr 24, 2019 296.00 298.32 291.73 297.08
4585 NASDAQ ALGN Tue, Apr 23, 2019 292.10 298.85 289.01 296.08
4584 NASDAQ ALGN Mon, Apr 22, 2019 279.38 292.33 278.15 290.63
4583 NASDAQ ALGN Thu, Apr 18, 2019 276.33 281.50 272.36 281.49
4582 NASDAQ ALGN Wed, Apr 17, 2019 290.09 290.80 271.66 273.68
4581 NASDAQ ALGN Tue, Apr 16, 2019 293.59 295.63 285.04 288.38
4580 NASDAQ ALGN Mon, Apr 15, 2019 293.83 299.04 291.16 292.55
4579 NASDAQ ALGN Fri, Apr 12, 2019 290.62 297.87 290.62 293.08
4578 NASDAQ ALGN Thu, Apr 11, 2019 290.92 292.20 286.68 289.66
4577 NASDAQ ALGN Wed, Apr 10, 2019 286.39 291.82 286.29 290.12
4576 NASDAQ ALGN Tue, Apr 9, 2019 290.00 290.00 283.01 285.25
4575 NASDAQ ALGN Mon, Apr 8, 2019 295.55 295.70 289.75 292.71
4574 NASDAQ ALGN Fri, Apr 5, 2019 291.00 301.09 291.00 295.88
4573 NASDAQ ALGN Thu, Apr 4, 2019 289.92 291.11 283.19 287.96
4572 NASDAQ ALGN Wed, Apr 3, 2019 293.44 296.00 288.62 289.27
4571 NASDAQ ALGN Tue, Apr 2, 2019 285.75 292.69 284.10 292.03
4570 NASDAQ ALGN Mon, Apr 1, 2019 287.44 290.89 281.52 285.15
4569 NASDAQ ALGN Fri, Mar 29, 2019 281.36 284.61 277.79 284.33
4568 NASDAQ ALGN Thu, Mar 28, 2019 270.24 274.70 266.54 273.91
4567 NASDAQ ALGN Wed, Mar 27, 2019 274.27 276.04 262.87 268.96
4566 NASDAQ ALGN Tue, Mar 26, 2019 275.25 277.45 272.77 274.27
4565 NASDAQ ALGN Mon, Mar 25, 2019 269.75 274.32 266.00 271.02
4564 NASDAQ ALGN Fri, Mar 22, 2019 279.64 279.64 269.23 269.62
4563 NASDAQ ALGN Thu, Mar 21, 2019 265.45 281.63 265.35 280.73
4562 NASDAQ ALGN Wed, Mar 20, 2019 258.93 266.06 258.01 265.68
4561 NASDAQ ALGN Tue, Mar 19, 2019 256.43 260.93 256.03 259.29
4560 NASDAQ ALGN Mon, Mar 18, 2019 252.70 254.12 248.17 253.73
4559 NASDAQ ALGN Fri, Mar 15, 2019 248.48 256.83 247.94 252.33
4558 NASDAQ ALGN Thu, Mar 14, 2019 249.93 251.40 244.55 247.59
4557 NASDAQ ALGN Wed, Mar 13, 2019 251.28 254.03 247.49 252.13
4556 NASDAQ ALGN Tue, Mar 12, 2019 243.96 251.67 243.00 250.84
4555 NASDAQ ALGN Mon, Mar 11, 2019 231.56 243.94 231.56 243.36
4554 NASDAQ ALGN Fri, Mar 8, 2019 228.64 231.73 224.58 230.84
4553 NASDAQ ALGN Thu, Mar 7, 2019 231.00 233.08 227.26 230.75
4552 NASDAQ ALGN Wed, Mar 6, 2019 237.79 240.50 229.62 231.45
4551 NASDAQ ALGN Tue, Mar 5, 2019 244.94 244.94 233.90 239.22
4550 NASDAQ ALGN Mon, Mar 4, 2019 264.37 266.21 252.30 256.31
4549 NASDAQ ALGN Fri, Mar 1, 2019 261.24 264.46 258.96 263.35
4548 NASDAQ ALGN Thu, Feb 28, 2019 258.08 259.75 254.55 258.97
4547 NASDAQ ALGN Wed, Feb 27, 2019 258.23 262.16 257.29 258.25
4546 NASDAQ ALGN Tue, Feb 26, 2019 261.13 262.35 256.33 259.79
4545 NASDAQ ALGN Mon, Feb 25, 2019 255.52 263.64 255.52 262.35
4544 NASDAQ ALGN Fri, Feb 22, 2019 251.52 254.24 248.85 253.99
4543 NASDAQ ALGN Thu, Feb 21, 2019 252.98 252.98 247.46 250.23
4542 NASDAQ ALGN Wed, Feb 20, 2019 255.23 256.49 250.91 253.79
4541 NASDAQ ALGN Tue, Feb 19, 2019 254.96 257.59 254.01 255.24
4540 NASDAQ ALGN Fri, Feb 15, 2019 253.04 255.68 251.39 254.96
4539 NASDAQ ALGN Thu, Feb 14, 2019 247.04 252.91 246.47 250.75
4538 NASDAQ ALGN Wed, Feb 13, 2019 256.99 259.93 248.84 251.85
4537 NASDAQ ALGN Tue, Feb 12, 2019 246.80 256.77 246.36 254.32
4536 NASDAQ ALGN Mon, Feb 11, 2019 242.86 247.54 242.07 244.57
4535 NASDAQ ALGN Fri, Feb 8, 2019 236.78 241.41 234.23 241.26
4534 NASDAQ ALGN Thu, Feb 7, 2019 241.89 244.55 238.26 239.45
4533 NASDAQ ALGN Wed, Feb 6, 2019 244.00 246.46 240.70 244.04
4532 NASDAQ ALGN Tue, Feb 5, 2019 241.85 246.20 241.42 243.51
4531 NASDAQ ALGN Mon, Feb 4, 2019 243.91 245.23 239.70 244.54
4530 NASDAQ ALGN Fri, Feb 1, 2019 248.08 248.75 239.00 244.00
4529 NASDAQ ALGN Thu, Jan 31, 2019 233.57 249.24 231.76 248.95
4528 NASDAQ ALGN Wed, Jan 30, 2019 208.74 234.44 207.99 232.83
4527 NASDAQ ALGN Tue, Jan 29, 2019 222.16 223.84 216.52 222.03
4526 NASDAQ ALGN Mon, Jan 28, 2019 224.50 225.92 220.15 221.49
4525 NASDAQ ALGN Fri, Jan 25, 2019 222.61 228.97 221.48 227.22
4524 NASDAQ ALGN Thu, Jan 24, 2019 218.25 224.08 218.25 220.67
4523 NASDAQ ALGN Wed, Jan 23, 2019 217.00 221.21 215.14 217.22
4522 NASDAQ ALGN Tue, Jan 22, 2019 220.68 221.65 213.90 216.16
4521 NASDAQ ALGN Fri, Jan 18, 2019 216.00 223.60 212.89 220.09
4520 NASDAQ ALGN Thu, Jan 17, 2019 206.87 215.85 206.78 212.67
4519 NASDAQ ALGN Wed, Jan 16, 2019 197.07 208.51 195.38 206.79
4518 NASDAQ ALGN Tue, Jan 15, 2019 194.90 197.50 191.93 195.05
4517 NASDAQ ALGN Mon, Jan 14, 2019 196.54 198.34 193.23 193.94
4516 NASDAQ ALGN Fri, Jan 11, 2019 201.60 201.60 195.63 198.25
4515 NASDAQ ALGN Thu, Jan 10, 2019 198.99 205.99 194.12 202.64
4514 NASDAQ ALGN Wed, Jan 9, 2019 194.26 207.00 194.26 200.32
4513 NASDAQ ALGN Tue, Jan 8, 2019 191.35 194.99 187.59 192.95
4512 NASDAQ ALGN Mon, Jan 7, 2019 187.41 190.77 184.51 189.92
4511 NASDAQ ALGN Fri, Jan 4, 2019 181.68 190.39 177.93 186.71
4510 NASDAQ ALGN Thu, Jan 3, 2019 200.03 200.77 183.62 184.78
4509 NASDAQ ALGN Wed, Jan 2, 2019 205.32 207.16 200.54 202.12
4508 NASDAQ ALGN Mon, Dec 31, 2018 209.89 214.18 206.68 209.43
4507 NASDAQ ALGN Fri, Dec 28, 2018 212.86 212.86 206.00 208.29
4506 NASDAQ ALGN Thu, Dec 27, 2018 207.00 211.33 201.49 211.33
4505 NASDAQ ALGN Wed, Dec 26, 2018 194.71 212.30 194.24 210.99
4504 NASDAQ ALGN Mon, Dec 24, 2018 196.57 198.19 190.75 193.72
4503 NASDAQ ALGN Fri, Dec 21, 2018 199.14 201.05 193.28 199.17
4502 NASDAQ ALGN Thu, Dec 20, 2018 201.19 204.70 191.24 197.78
4501 NASDAQ ALGN Wed, Dec 19, 2018 209.14 212.88 198.51 201.56
4500 NASDAQ ALGN Tue, Dec 18, 2018 209.84 213.32 206.51 209.50
4499 NASDAQ ALGN Mon, Dec 17, 2018 213.03 213.98 205.22 206.97
4498 NASDAQ ALGN Fri, Dec 14, 2018 214.27 217.45 212.01 215.57
4497 NASDAQ ALGN Thu, Dec 13, 2018 218.82 221.46 212.94 217.23
4496 NASDAQ ALGN Wed, Dec 12, 2018 225.08 226.90 219.13 219.29
4495 NASDAQ ALGN Tue, Dec 11, 2018 220.07 223.80 218.02 220.27
4494 NASDAQ ALGN Mon, Dec 10, 2018 209.79 218.17 208.99 216.66
4493 NASDAQ ALGN Fri, Dec 7, 2018 217.39 220.40 208.87 210.28
4492 NASDAQ ALGN Thu, Dec 6, 2018 211.11 219.38 210.11 219.34
4491 NASDAQ ALGN Tue, Dec 4, 2018 234.22 234.36 218.31 220.95
4490 NASDAQ ALGN Mon, Dec 3, 2018 234.40 235.92 228.00 235.70
4489 NASDAQ ALGN Fri, Nov 30, 2018 227.69 232.97 224.72 229.89
4488 NASDAQ ALGN Thu, Nov 29, 2018 234.53 235.50 224.13 228.70
4487 NASDAQ ALGN Wed, Nov 28, 2018 222.25 236.35 222.02 235.59
4486 NASDAQ ALGN Tue, Nov 27, 2018 221.79 225.39 219.63 220.71
4485 NASDAQ ALGN Mon, Nov 26, 2018 221.92 229.37 221.10 223.38
4484 NASDAQ ALGN Fri, Nov 23, 2018 214.88 220.56 214.21 218.87
4483 NASDAQ ALGN Wed, Nov 21, 2018 213.94 219.75 212.24 215.72
4482 NASDAQ ALGN Tue, Nov 20, 2018 189.03 212.82 188.57 210.10
4481 NASDAQ ALGN Mon, Nov 19, 2018 223.85 223.95 203.70 204.43
4480 NASDAQ ALGN Fri, Nov 16, 2018 220.76 228.80 218.71 225.41
4479 NASDAQ ALGN Thu, Nov 15, 2018 219.52 223.45 216.01 222.77
4478 NASDAQ ALGN Wed, Nov 14, 2018 221.90 225.19 217.35 219.99
4477 NASDAQ ALGN Tue, Nov 13, 2018 219.00 225.21 217.30 219.32
4476 NASDAQ ALGN Mon, Nov 12, 2018 231.97 232.99 214.62 217.29
4475 NASDAQ ALGN Fri, Nov 9, 2018 243.42 244.62 226.37 235.96
4474 NASDAQ ALGN Thu, Nov 8, 2018 245.54 246.80 240.95 245.67
4473 NASDAQ ALGN Wed, Nov 7, 2018 231.72 248.50 230.77 245.31
4472 NASDAQ ALGN Tue, Nov 6, 2018 227.50 231.23 225.43 229.37
4471 NASDAQ ALGN Mon, Nov 5, 2018 227.77 229.64 221.54 228.12
4470 NASDAQ ALGN Fri, Nov 2, 2018 233.53 239.48 227.02 229.75
4469 NASDAQ ALGN Thu, Nov 1, 2018 222.27 231.38 220.54 230.95
4468 NASDAQ ALGN Wed, Oct 31, 2018 226.49 229.76 220.26 221.20
4467 NASDAQ ALGN Tue, Oct 30, 2018 216.80 225.62 215.00 223.01
4466 NASDAQ ALGN Mon, Oct 29, 2018 234.76 235.49 212.02 217.94
4465 NASDAQ ALGN Fri, Oct 26, 2018 228.00 237.59 218.01 230.13
4464 NASDAQ ALGN Thu, Oct 25, 2018 231.23 235.50 203.12 232.07
4463 NASDAQ ALGN Wed, Oct 24, 2018 311.08 315.98 290.21 290.83
4462 NASDAQ ALGN Tue, Oct 23, 2018 305.90 313.30 295.78 311.69
4461 NASDAQ ALGN Mon, Oct 22, 2018 313.70 318.01 306.01 314.22
4460 NASDAQ ALGN Fri, Oct 19, 2018 326.29 327.71 310.46 312.79
4459 NASDAQ ALGN Thu, Oct 18, 2018 331.85 333.22 317.52 323.06
4458 NASDAQ ALGN Wed, Oct 17, 2018 338.81 339.95 329.01 332.83
4457 NASDAQ ALGN Tue, Oct 16, 2018 321.25 335.34 320.65 334.94
4456 NASDAQ ALGN Mon, Oct 15, 2018 326.53 327.48 316.42 317.43
4455 NASDAQ ALGN Fri, Oct 12, 2018 326.13 329.18 317.12 327.50
4454 NASDAQ ALGN Thu, Oct 11, 2018 312.30 325.37 309.18 312.86
4453 NASDAQ ALGN Wed, Oct 10, 2018 336.28 336.62 315.33 316.03
4452 NASDAQ ALGN Tue, Oct 9, 2018 341.59 346.77 336.02 340.97
4451 NASDAQ ALGN Mon, Oct 8, 2018 350.12 352.95 333.08 342.87
4450 NASDAQ ALGN Fri, Oct 5, 2018 356.20 364.79 345.24 353.11
4449 NASDAQ ALGN Thu, Oct 4, 2018 373.57 375.14 355.38 357.89
4448 NASDAQ ALGN Wed, Oct 3, 2018 379.94 381.00 372.47 375.26
4447 NASDAQ ALGN Tue, Oct 2, 2018 390.52 390.52 374.56 376.17
4446 NASDAQ ALGN Mon, Oct 1, 2018 393.36 397.85 390.00 391.52
4445 NASDAQ ALGN Fri, Sep 28, 2018 389.85 395.23 387.96 391.22
4444 NASDAQ ALGN Thu, Sep 27, 2018 391.00 395.16 387.68 389.97
4443 NASDAQ ALGN Wed, Sep 26, 2018 392.73 395.16 386.04 389.23
4442 NASDAQ ALGN Tue, Sep 25, 2018 390.00 398.88 389.08 392.98
4441 NASDAQ ALGN Mon, Sep 24, 2018 379.00 391.92 377.31 388.96
4440 NASDAQ ALGN Fri, Sep 21, 2018 381.84 384.24 378.43 380.84
4439 NASDAQ ALGN Thu, Sep 20, 2018 381.19 385.48 375.93 379.84
4438 NASDAQ ALGN Wed, Sep 19, 2018 386.40 388.67 377.14 379.94
4437 NASDAQ ALGN Tue, Sep 18, 2018 378.38 386.89 378.38 385.96
4436 NASDAQ ALGN Mon, Sep 17, 2018 390.54 393.98 377.56 378.37
4435 NASDAQ ALGN Fri, Sep 14, 2018 383.31 391.60 381.99 390.16
4434 NASDAQ ALGN Thu, Sep 13, 2018 383.87 388.79 377.55 379.64
4433 NASDAQ ALGN Wed, Sep 12, 2018 382.90 385.24 374.24 381.83
4432 NASDAQ ALGN Tue, Sep 11, 2018 373.36 382.98 371.00 382.80
4431 NASDAQ ALGN Mon, Sep 10, 2018 370.89 376.49 367.41 374.78
4430 NASDAQ ALGN Fri, Sep 7, 2018 368.76 374.52 365.20 368.64
4429 NASDAQ ALGN Thu, Sep 6, 2018 373.55 376.61 367.09 370.82
4428 NASDAQ ALGN Wed, Sep 5, 2018 384.92 384.92 366.08 372.91
4427 NASDAQ ALGN Tue, Sep 4, 2018 386.64 388.90 381.11 385.33
4426 NASDAQ ALGN Fri, Aug 31, 2018 388.43 392.69 384.51 386.49
4425 NASDAQ ALGN Thu, Aug 30, 2018 383.08 391.37 383.00 387.05
4424 NASDAQ ALGN Wed, Aug 29, 2018 384.40 391.25 382.26 385.43
4423 NASDAQ ALGN Tue, Aug 28, 2018 382.56 390.19 378.16 382.25
4422 NASDAQ ALGN Mon, Aug 27, 2018 370.00 383.70 369.12 381.87
4421 NASDAQ ALGN Fri, Aug 24, 2018 365.09 370.56 363.27 367.60
4420 NASDAQ ALGN Thu, Aug 23, 2018 361.00 366.72 360.93 363.59
4419 NASDAQ ALGN Wed, Aug 22, 2018 354.02 362.20 352.39 361.36
4418 NASDAQ ALGN Tue, Aug 21, 2018 353.01 357.40 351.52 355.89
4417 NASDAQ ALGN Mon, Aug 20, 2018 358.00 358.92 351.88 352.28
4416 NASDAQ ALGN Fri, Aug 17, 2018 350.11 358.71 342.30 357.30
4415 NASDAQ ALGN Thu, Aug 16, 2018 353.00 355.00 344.35 351.20
4414 NASDAQ ALGN Wed, Aug 15, 2018 366.73 368.49 349.80 350.45
4413 NASDAQ ALGN Tue, Aug 14, 2018 361.28 368.80 361.28 368.66
4412 NASDAQ ALGN Mon, Aug 13, 2018 364.48 369.04 361.54 362.28
4411 NASDAQ ALGN Fri, Aug 10, 2018 363.71 369.67 362.48 364.53
4410 NASDAQ ALGN Thu, Aug 9, 2018 366.81 371.61 363.50 366.87
4409 NASDAQ ALGN Wed, Aug 8, 2018 366.13 367.35 363.31 366.21
4408 NASDAQ ALGN Tue, Aug 7, 2018 369.55 373.66 365.00 365.58
4407 NASDAQ ALGN Mon, Aug 6, 2018 362.11 370.45 362.11 369.55
4406 NASDAQ ALGN Fri, Aug 3, 2018 368.52 369.49 356.13 363.51
4405 NASDAQ ALGN Thu, Aug 2, 2018 351.00 369.02 350.51 367.92
4404 NASDAQ ALGN Wed, Aug 1, 2018 356.65 361.29 352.60 353.70
4403 NASDAQ ALGN Tue, Jul 31, 2018 348.88 358.56 341.91 356.65
4402 NASDAQ ALGN Mon, Jul 30, 2018 353.50 356.03 341.24 348.58
4401 NASDAQ ALGN Fri, Jul 27, 2018 364.51 365.55 349.13 353.77
4400 NASDAQ ALGN Thu, Jul 26, 2018 377.61 380.00 354.74 363.02
4399 NASDAQ ALGN Wed, Jul 25, 2018 374.69 383.46 373.00 381.77
4398 NASDAQ ALGN Tue, Jul 24, 2018 378.96 384.75 369.76 372.59
4397 NASDAQ ALGN Mon, Jul 23, 2018 375.50 385.00 368.74 377.50
4396 NASDAQ ALGN Fri, Jul 20, 2018 371.06 378.98 369.58 375.38
4395 NASDAQ ALGN Thu, Jul 19, 2018 369.88 373.49 365.00 370.32
4394 NASDAQ ALGN Wed, Jul 18, 2018 373.86 375.33 367.81 372.31
4393 NASDAQ ALGN Tue, Jul 17, 2018 359.59 371.05 357.46 370.53
4392 NASDAQ ALGN Mon, Jul 16, 2018 365.00 366.32 358.02 362.28
4391 NASDAQ ALGN Fri, Jul 13, 2018 364.00 368.97 361.29 363.45
4390 NASDAQ ALGN Thu, Jul 12, 2018 350.31 363.04 350.31 362.82
4389 NASDAQ ALGN Wed, Jul 11, 2018 346.98 352.40 345.50 348.87
4388 NASDAQ ALGN Tue, Jul 10, 2018 350.00 352.83 347.25 351.45
4387 NASDAQ ALGN Mon, Jul 9, 2018 350.58 354.12 345.44 348.97
4386 NASDAQ ALGN Fri, Jul 6, 2018 341.39 349.70 338.80 347.47
4385 NASDAQ ALGN Thu, Jul 5, 2018 342.18 343.23 333.57 341.38
4384 NASDAQ ALGN Tue, Jul 3, 2018 341.10 344.52 337.11 338.68
4383 NASDAQ ALGN Mon, Jul 2, 2018 334.90 341.05 332.01 340.28
4382 NASDAQ ALGN Fri, Jun 29, 2018 345.71 346.13 341.70 342.14
4381 NASDAQ ALGN Thu, Jun 28, 2018 340.57 345.90 334.44 343.80
4380 NASDAQ ALGN Wed, Jun 27, 2018 352.42 356.47 342.26 342.78
4379 NASDAQ ALGN Tue, Jun 26, 2018 349.27 357.69 348.30 352.42
4378 NASDAQ ALGN Mon, Jun 25, 2018 350.00 350.47 341.28 346.30
4377 NASDAQ ALGN Fri, Jun 22, 2018 361.57 363.96 347.15 353.27
4376 NASDAQ ALGN Thu, Jun 21, 2018 365.66 369.00 359.15 359.60
4375 NASDAQ ALGN Wed, Jun 20, 2018 368.01 369.20 362.69 364.70
4374 NASDAQ ALGN Tue, Jun 19, 2018 366.20 369.08 358.67 365.24
4373 NASDAQ ALGN Mon, Jun 18, 2018 361.01 371.55 357.11 370.10
4372 NASDAQ ALGN Fri, Jun 15, 2018 364.81 366.89 358.27 362.66
4371 NASDAQ ALGN Thu, Jun 14, 2018 364.35 370.47 363.70 366.27
4370 NASDAQ ALGN Wed, Jun 13, 2018 356.00 365.76 354.59 363.49
4369 NASDAQ ALGN Tue, Jun 12, 2018 349.60 355.98 349.29 354.25
4368 NASDAQ ALGN Mon, Jun 11, 2018 345.28 349.79 343.72 348.44
4367 NASDAQ ALGN Fri, Jun 8, 2018 337.03 347.44 333.00 346.67
4366 NASDAQ ALGN Thu, Jun 7, 2018 346.86 347.85 333.30 339.32
4365 NASDAQ ALGN Wed, Jun 6, 2018 347.25 347.97 342.83 346.37
4364 NASDAQ ALGN Tue, Jun 5, 2018 343.21 346.55 341.54 346.08
4363 NASDAQ ALGN Mon, Jun 4, 2018 335.54 343.88 333.22 343.20
4362 NASDAQ ALGN Fri, Jun 1, 2018 333.17 335.35 325.28 333.09
4361 NASDAQ ALGN Thu, May 31, 2018 331.70 338.50 330.21 331.95
4360 NASDAQ ALGN Wed, May 30, 2018 327.92 333.34 327.23 331.45
4359 NASDAQ ALGN Tue, May 29, 2018 318.19 326.82 317.86 326.18
4358 NASDAQ ALGN Fri, May 25, 2018 318.08 322.67 316.38 318.54
4357 NASDAQ ALGN Thu, May 24, 2018 310.13 318.59 308.01 317.04
4356 NASDAQ ALGN Wed, May 23, 2018 297.86 308.67 297.17 308.20
4355 NASDAQ ALGN Tue, May 22, 2018 305.96 306.11 294.00 297.86
4354 NASDAQ ALGN Mon, May 21, 2018 300.00 304.99 299.47 302.46
4353 NASDAQ ALGN Fri, May 18, 2018 293.49 299.46 292.76 298.00
4352 NASDAQ ALGN Thu, May 17, 2018 289.52 294.91 287.73 292.72
4351 NASDAQ ALGN Wed, May 16, 2018 283.50 292.82 281.61 287.96
4350 NASDAQ ALGN Tue, May 15, 2018 283.53 284.26 276.81 283.77
4349 NASDAQ ALGN Mon, May 14, 2018 286.99 296.47 284.75 286.42
4348 NASDAQ ALGN Fri, May 11, 2018 278.29 288.36 277.99 286.49
4347 NASDAQ ALGN Thu, May 10, 2018 268.01 280.25 267.13 277.73
4346 NASDAQ ALGN Wed, May 9, 2018 265.49 270.60 265.49 268.00
4345 NASDAQ ALGN Tue, May 8, 2018 263.54 266.08 260.23 265.46
4344 NASDAQ ALGN Mon, May 7, 2018 259.25 267.04 259.23 265.03
4343 NASDAQ ALGN Fri, May 4, 2018 251.99 260.26 246.38 258.97
4342 NASDAQ ALGN Thu, May 3, 2018 249.00 255.41 244.40 255.14
4341 NASDAQ ALGN Wed, May 2, 2018 250.40 252.93 249.17 249.47
4340 NASDAQ ALGN Tue, May 1, 2018 249.21 252.69 247.51 251.34
4339 NASDAQ ALGN Mon, Apr 30, 2018 258.63 258.63 249.58 249.85
4338 NASDAQ ALGN Fri, Apr 27, 2018 259.99 260.84 251.48 257.90
4337 NASDAQ ALGN Thu, Apr 26, 2018 261.99 266.10 242.71 259.89
4336 NASDAQ ALGN Wed, Apr 25, 2018 238.47 245.78 234.40 245.63
4335 NASDAQ ALGN Tue, Apr 24, 2018 248.62 251.47 235.83 239.66
4334 NASDAQ ALGN Mon, Apr 23, 2018 248.63 251.37 245.01 247.20
4333 NASDAQ ALGN Fri, Apr 20, 2018 253.38 256.66 245.41 247.07
4332 NASDAQ ALGN Thu, Apr 19, 2018 265.82 267.02 250.27 252.78
4331 NASDAQ ALGN Wed, Apr 18, 2018 274.00 280.23 270.57 277.05
4330 NASDAQ ALGN Tue, Apr 17, 2018 269.17 274.52 267.78 272.65
4329 NASDAQ ALGN Mon, Apr 16, 2018 264.77 268.32 263.02 265.50
4328 NASDAQ ALGN Fri, Apr 13, 2018 266.22 267.21 259.50 261.72
4327 NASDAQ ALGN Thu, Apr 12, 2018 259.62 264.88 258.47 263.76
4326 NASDAQ ALGN Wed, Apr 11, 2018 255.58 260.46 254.53 257.02
4325 NASDAQ ALGN Tue, Apr 10, 2018 254.17 259.96 252.34 258.27
4324 NASDAQ ALGN Mon, Apr 9, 2018 248.37 255.26 247.62 249.06
4323 NASDAQ ALGN Fri, Apr 6, 2018 252.40 255.72 243.20 245.23
4322 NASDAQ ALGN Thu, Apr 5, 2018 251.32 259.73 251.32 255.35
4321 NASDAQ ALGN Wed, Apr 4, 2018 239.72 250.02 238.50 248.93
4320 NASDAQ ALGN Tue, Apr 3, 2018 244.01 248.09 240.08 243.62
4319 NASDAQ ALGN Mon, Apr 2, 2018 251.00 254.80 238.17 242.69
4318 NASDAQ ALGN Thu, Mar 29, 2018 245.98 257.47 243.08 251.13
4317 NASDAQ ALGN Wed, Mar 28, 2018 248.52 248.90 241.03 244.42
4316 NASDAQ ALGN Tue, Mar 27, 2018 263.98 264.74 245.82 248.30
4315 NASDAQ ALGN Mon, Mar 26, 2018 254.00 261.87 250.15 261.52
4314 NASDAQ ALGN Fri, Mar 23, 2018 260.13 265.84 250.28 250.92
4313 NASDAQ ALGN Thu, Mar 22, 2018 266.55 269.80 260.00 260.13
4312 NASDAQ ALGN Wed, Mar 21, 2018 270.67 271.99 267.20 270.14
4311 NASDAQ ALGN Tue, Mar 20, 2018 266.92 270.67 264.77 270.40
4310 NASDAQ ALGN Mon, Mar 19, 2018 268.65 274.40 262.13 265.39
4309 NASDAQ ALGN Fri, Mar 16, 2018 273.76 274.15 267.57 270.41
4308 NASDAQ ALGN Thu, Mar 15, 2018 272.23 276.14 269.76 272.87
4307 NASDAQ ALGN Wed, Mar 14, 2018 271.29 274.07 269.27 272.48
4306 NASDAQ ALGN Tue, Mar 13, 2018 276.56 276.98 267.29 269.71
4305 NASDAQ ALGN Mon, Mar 12, 2018 272.07 277.32 271.13 275.61
4304 NASDAQ ALGN Fri, Mar 9, 2018 270.00 273.22 269.99 271.74
4303 NASDAQ ALGN Thu, Mar 8, 2018 264.92 268.69 263.57 268.18
4302 NASDAQ ALGN Wed, Mar 7, 2018 252.46 263.92 252.13 262.90
4301 NASDAQ ALGN Tue, Mar 6, 2018 256.01 257.39 252.16 255.97
4300 NASDAQ ALGN Mon, Mar 5, 2018 252.84 256.64 247.64 255.49
4299 NASDAQ ALGN Fri, Mar 2, 2018 243.65 254.89 241.30 253.71
4298 NASDAQ ALGN Thu, Mar 1, 2018 255.00 259.84 244.15 245.55
4297 NASDAQ ALGN Wed, Feb 28, 2018 264.90 267.78 262.44 262.52
4296 NASDAQ ALGN Tue, Feb 27, 2018 265.48 267.27 263.50 263.87
4295 NASDAQ ALGN Mon, Feb 26, 2018 266.80 268.40 262.42 266.58
4294 NASDAQ ALGN Fri, Feb 23, 2018 261.99 266.80 258.14 265.07
4293 NASDAQ ALGN Thu, Feb 22, 2018 254.16 262.33 253.26 259.68
4292 NASDAQ ALGN Wed, Feb 21, 2018 255.36 262.82 252.00 252.14
4291 NASDAQ ALGN Tue, Feb 20, 2018 250.57 259.75 250.50 255.45
4290 NASDAQ ALGN Fri, Feb 16, 2018 253.85 255.39 249.04 251.50
4289 NASDAQ ALGN Thu, Feb 15, 2018 250.00 253.71 245.39 252.77
4288 NASDAQ ALGN Wed, Feb 14, 2018 231.98 246.90 231.35 246.34
4287 NASDAQ ALGN Tue, Feb 13, 2018 230.76 236.70 229.68 233.73
4286 NASDAQ ALGN Mon, Feb 12, 2018 233.25 235.00 225.91 233.13
4285 NASDAQ ALGN Fri, Feb 9, 2018 223.75 232.41 219.11 229.37
4284 NASDAQ ALGN Thu, Feb 8, 2018 233.57 233.96 220.70 220.71
4283 NASDAQ ALGN Wed, Feb 7, 2018 241.00 242.22 233.60 234.33
4282 NASDAQ ALGN Tue, Feb 6, 2018 232.71 245.65 228.00 241.45
4281 NASDAQ ALGN Mon, Feb 5, 2018 252.21 259.14 241.66 242.40
4280 NASDAQ ALGN Fri, Feb 2, 2018 251.57 262.57 250.86 257.38
4279 NASDAQ ALGN Thu, Feb 1, 2018 261.59 262.65 252.20 255.57
4278 NASDAQ ALGN Wed, Jan 31, 2018 261.01 270.60 248.21 262.00
4277 NASDAQ ALGN Tue, Jan 30, 2018 270.45 272.00 245.00 270.08
4276 NASDAQ ALGN Mon, Jan 29, 2018 284.45 284.97 268.16 276.77
4275 NASDAQ ALGN Fri, Jan 26, 2018 275.16 287.32 273.27 283.97
4274 NASDAQ ALGN Thu, Jan 25, 2018 273.70 276.23 270.00 273.56
4273 NASDAQ ALGN Wed, Jan 24, 2018 273.52 274.39 267.60 272.28
4272 NASDAQ ALGN Tue, Jan 23, 2018 267.00 276.99 266.88 272.16
4271 NASDAQ ALGN Mon, Jan 22, 2018 269.64 271.73 258.92 267.10
4270 NASDAQ ALGN Fri, Jan 19, 2018 268.10 269.75 263.20 269.46
4269 NASDAQ ALGN Thu, Jan 18, 2018 272.25 272.69 266.51 270.70
4268 NASDAQ ALGN Wed, Jan 17, 2018 265.16 273.60 264.25 272.25
4267 NASDAQ ALGN Tue, Jan 16, 2018 262.12 268.18 260.56 263.88
4266 NASDAQ ALGN Fri, Jan 12, 2018 254.10 259.95 250.01 258.43
4265 NASDAQ ALGN Thu, Jan 11, 2018 248.00 253.20 246.01 252.91
4264 NASDAQ ALGN Wed, Jan 10, 2018 249.15 250.89 243.28 248.31
4263 NASDAQ ALGN Tue, Jan 9, 2018 250.00 253.64 250.00 251.44
4262 NASDAQ ALGN Mon, Jan 8, 2018 242.00 250.99 241.04 248.90
4261 NASDAQ ALGN Fri, Jan 5, 2018 234.88 243.30 234.22 241.07
4260 NASDAQ ALGN Thu, Jan 4, 2018 234.90 235.66 230.25 233.30
4259 NASDAQ ALGN Wed, Jan 3, 2018 226.06 231.48 225.01 231.20
4258 NASDAQ ALGN Tue, Jan 2, 2018 222.61 226.19 220.36 224.62
4257 NASDAQ ALGN Fri, Dec 29, 2017 225.99 227.66 222.09 222.19
4256 NASDAQ ALGN Thu, Dec 28, 2017 227.79 227.79 222.61 226.48
4255 NASDAQ ALGN Wed, Dec 27, 2017 223.22 229.01 223.12 226.45
4254 NASDAQ ALGN Tue, Dec 26, 2017 222.36 224.42 220.26 223.54
4253 NASDAQ ALGN Fri, Dec 22, 2017 216.37 224.01 212.86 223.12
4252 NASDAQ ALGN Thu, Dec 21, 2017 234.29 235.13 217.55 218.76
4251 NASDAQ ALGN Wed, Dec 20, 2017 235.86 236.24 232.66 233.65
4250 NASDAQ ALGN Tue, Dec 19, 2017 235.47 236.53 234.21 235.05
4249 NASDAQ ALGN Mon, Dec 18, 2017 234.35 236.92 232.67 235.47
4248 NASDAQ ALGN Fri, Dec 15, 2017 235.34 235.34 231.50 233.55
4247 NASDAQ ALGN Thu, Dec 14, 2017 235.81 237.90 232.84 233.80
4246 NASDAQ ALGN Wed, Dec 13, 2017 234.53 237.50 234.53 235.63
4245 NASDAQ ALGN Tue, Dec 12, 2017 234.80 238.60 233.88 234.37
4244 NASDAQ ALGN Mon, Dec 11, 2017 237.42 239.02 232.78 233.66
4243 NASDAQ ALGN Fri, Dec 8, 2017 242.72 245.81 235.05 238.43
4242 NASDAQ ALGN Thu, Dec 7, 2017 236.11 242.17 232.50 241.38
4241 NASDAQ ALGN Wed, Dec 6, 2017 228.16 233.74 225.74 233.01
4240 NASDAQ ALGN Tue, Dec 5, 2017 225.02 233.82 224.30 227.36
4239 NASDAQ ALGN Mon, Dec 4, 2017 257.83 257.99 222.74 225.80
4238 NASDAQ ALGN Fri, Dec 1, 2017 259.35 261.00 244.82 254.07
4237 NASDAQ ALGN Thu, Nov 30, 2017 259.96 262.79 254.24 260.88
4236 NASDAQ ALGN Wed, Nov 29, 2017 264.40 264.64 254.02 258.37
4235 NASDAQ ALGN Tue, Nov 28, 2017 264.40 266.41 259.00 264.23
4234 NASDAQ ALGN Mon, Nov 27, 2017 255.78 263.90 255.54 262.42
4233 NASDAQ ALGN Fri, Nov 24, 2017 254.32 255.73 253.44 254.76
4232 NASDAQ ALGN Wed, Nov 22, 2017 255.41 257.35 251.57 254.38
4231 NASDAQ ALGN Tue, Nov 21, 2017 257.67 258.88 252.03 256.43
4230 NASDAQ ALGN Mon, Nov 20, 2017 254.64 258.61 253.67 255.51
4229 NASDAQ ALGN Fri, Nov 17, 2017 254.74 255.77 251.50 253.89
4228 NASDAQ ALGN Thu, Nov 16, 2017 251.76 255.98 249.18 254.92
4227 NASDAQ ALGN Wed, Nov 15, 2017 252.24 253.64 243.00 249.19
4226 NASDAQ ALGN Tue, Nov 14, 2017 251.78 256.10 251.00 254.02
4225 NASDAQ ALGN Mon, Nov 13, 2017 249.29 257.60 248.29 253.73
4224 NASDAQ ALGN Fri, Nov 10, 2017 249.38 251.02 246.26 249.46
4223 NASDAQ ALGN Thu, Nov 9, 2017 251.80 254.19 245.53 249.63
4222 NASDAQ ALGN Wed, Nov 8, 2017 246.00 253.65 246.00 252.74
4221 NASDAQ ALGN Tue, Nov 7, 2017 245.00 246.84 243.66 246.46
4220 NASDAQ ALGN Mon, Nov 6, 2017 244.02 246.83 238.59 244.50
4219 NASDAQ ALGN Fri, Nov 3, 2017 233.85 242.55 233.85 241.35
4218 NASDAQ ALGN Thu, Nov 2, 2017 235.38 237.95 233.00 233.47
4217 NASDAQ ALGN Wed, Nov 1, 2017 243.00 244.60 232.31 234.95
4216 NASDAQ ALGN Tue, Oct 31, 2017 235.10 240.66 235.05 238.98
4215 NASDAQ ALGN Mon, Oct 30, 2017 234.35 243.27 233.36 235.57
4214 NASDAQ ALGN Fri, Oct 27, 2017 225.64 239.83 223.56 235.94
4213 NASDAQ ALGN Thu, Oct 26, 2017 202.59 207.65 199.45 202.98
4212 NASDAQ ALGN Wed, Oct 25, 2017 203.00 203.89 200.27 201.75
4211 NASDAQ ALGN Tue, Oct 24, 2017 202.76 205.07 198.44 203.72
4210 NASDAQ ALGN Mon, Oct 23, 2017 205.45 205.99 202.46 202.76
4209 NASDAQ ALGN Fri, Oct 20, 2017 196.67 201.70 196.67 200.88
4208 NASDAQ ALGN Thu, Oct 19, 2017 194.23 196.89 191.80 196.85
4207 NASDAQ ALGN Wed, Oct 18, 2017 194.72 196.00 193.62 194.23
4206 NASDAQ ALGN Tue, Oct 17, 2017 193.46 196.04 192.65 194.27
4205 NASDAQ ALGN Mon, Oct 16, 2017 193.01 195.60 192.21 193.37
4204 NASDAQ ALGN Fri, Oct 13, 2017 192.58 193.94 191.35 192.81
4203 NASDAQ ALGN Thu, Oct 12, 2017 192.79 194.84 192.20 192.38
4202 NASDAQ ALGN Wed, Oct 11, 2017 188.22 193.19 188.22 192.46
4201 NASDAQ ALGN Tue, Oct 10, 2017 188.53 189.92 188.13 188.67
4200 NASDAQ ALGN Mon, Oct 9, 2017 186.83 189.28 185.49 188.13
4199 NASDAQ ALGN Fri, Oct 6, 2017 186.99 191.78 186.15 187.04
4198 NASDAQ ALGN Thu, Oct 5, 2017 185.44 187.49 185.21 186.61
4197 NASDAQ ALGN Wed, Oct 4, 2017 186.41 186.87 184.67 185.98
4196 NASDAQ ALGN Tue, Oct 3, 2017 187.75 188.38 185.20 186.45
4195 NASDAQ ALGN Mon, Oct 2, 2017 187.16 187.98 185.05 187.22
4194 NASDAQ ALGN Fri, Sep 29, 2017 183.60 186.62 182.06 186.27
4193 NASDAQ ALGN Thu, Sep 28, 2017 184.50 184.77 180.31 183.04
4192 NASDAQ ALGN Wed, Sep 27, 2017 184.49 186.81 183.21 184.78
4191 NASDAQ ALGN Tue, Sep 26, 2017 185.61 186.10 183.04 184.20
4190 NASDAQ ALGN Mon, Sep 25, 2017 187.40 187.46 183.53 184.89
4189 NASDAQ ALGN Fri, Sep 22, 2017 186.20 188.24 186.05 188.00
4188 NASDAQ ALGN Thu, Sep 21, 2017 188.76 189.39 184.75 186.32
4187 NASDAQ ALGN Wed, Sep 20, 2017 187.83 189.01 186.54 188.78
4186 NASDAQ ALGN Tue, Sep 19, 2017 189.07 190.04 186.04 187.18
4185 NASDAQ ALGN Mon, Sep 18, 2017 185.95 188.97 185.06 188.34
4184 NASDAQ ALGN Fri, Sep 15, 2017 184.50 185.60 183.16 184.50
4183 NASDAQ ALGN Thu, Sep 14, 2017 183.42 185.49 182.10 184.86
4182 NASDAQ ALGN Wed, Sep 13, 2017 185.18 185.87 183.26 183.57
4181 NASDAQ ALGN Tue, Sep 12, 2017 184.80 186.10 182.55 185.66
4180 NASDAQ ALGN Mon, Sep 11, 2017 185.61 185.61 181.49 184.12
4179 NASDAQ ALGN Fri, Sep 8, 2017 179.80 181.99 179.08 181.44
4178 NASDAQ ALGN Thu, Sep 7, 2017 176.56 180.55 174.44 179.99
4177 NASDAQ ALGN Wed, Sep 6, 2017 180.00 180.36 175.37 176.63
4176 NASDAQ ALGN Tue, Sep 5, 2017 176.42 179.96 176.42 179.33
4175 NASDAQ ALGN Fri, Sep 1, 2017 176.81 177.40 173.88 176.38
4174 NASDAQ ALGN Thu, Aug 31, 2017 175.05 177.07 173.94 176.74
4173 NASDAQ ALGN Wed, Aug 30, 2017 173.55 174.91 172.91 174.88
4172 NASDAQ ALGN Tue, Aug 29, 2017 173.03 174.61 172.27 173.99
4171 NASDAQ ALGN Mon, Aug 28, 2017 173.02 175.93 173.02 175.11
4170 NASDAQ ALGN Fri, Aug 25, 2017 175.41 176.20 171.55 172.55
4169 NASDAQ ALGN Thu, Aug 24, 2017 174.00 175.96 173.35 175.31
4168 NASDAQ ALGN Wed, Aug 23, 2017 172.33 173.84 170.79 172.85
4167 NASDAQ ALGN Tue, Aug 22, 2017 167.97 173.00 166.64 172.55
4166 NASDAQ ALGN Mon, Aug 21, 2017 168.51 169.64 165.18 167.98
4165 NASDAQ ALGN Fri, Aug 18, 2017 169.96 172.18 167.27 168.61
4164 NASDAQ ALGN Thu, Aug 17, 2017 177.90 177.90 169.13 169.36
4163 NASDAQ ALGN Wed, Aug 16, 2017 178.89 179.76 176.81 178.46
4162 NASDAQ ALGN Tue, Aug 15, 2017 174.88 178.58 174.18 177.97
4161 NASDAQ ALGN Mon, Aug 14, 2017 173.91 175.36 173.68 174.16
4160 NASDAQ ALGN Fri, Aug 11, 2017 171.76 175.16 171.48 173.56
4159 NASDAQ ALGN Thu, Aug 10, 2017 174.92 174.92 171.15 171.23
4158 NASDAQ ALGN Wed, Aug 9, 2017 173.84 176.44 172.37 175.77
4157 NASDAQ ALGN Tue, Aug 8, 2017 173.89 176.84 173.35 173.62
4156 NASDAQ ALGN Mon, Aug 7, 2017 169.49 174.82 169.49 174.01
4155 NASDAQ ALGN Fri, Aug 4, 2017 170.88 171.00 168.57 169.30
4154 NASDAQ ALGN Thu, Aug 3, 2017 168.09 170.62 167.59 170.46
4153 NASDAQ ALGN Wed, Aug 2, 2017 170.28 171.05 166.38 167.99
4152 NASDAQ ALGN Tue, Aug 1, 2017 167.41 171.65 167.37 169.43
4151 NASDAQ ALGN Mon, Jul 31, 2017 173.34 173.75 166.11 167.23
4150 NASDAQ ALGN Fri, Jul 28, 2017 168.10 173.79 160.37 173.06
4149 NASDAQ ALGN Thu, Jul 27, 2017 160.52 160.65 155.55 157.26
4148 NASDAQ ALGN Wed, Jul 26, 2017 158.66 159.93 157.37 158.69
4147 NASDAQ ALGN Tue, Jul 25, 2017 161.81 161.81 158.45 158.56
4146 NASDAQ ALGN Mon, Jul 24, 2017 158.67 161.81 158.65 161.19
4145 NASDAQ ALGN Fri, Jul 21, 2017 160.31 160.93 158.42 158.87
4144 NASDAQ ALGN Thu, Jul 20, 2017 159.50 160.54 158.10 160.17
4143 NASDAQ ALGN Wed, Jul 19, 2017 157.09 159.45 156.76 159.28
4142 NASDAQ ALGN Tue, Jul 18, 2017 155.99 156.75 155.11 156.02
4141 NASDAQ ALGN Mon, Jul 17, 2017 155.01 157.86 154.90 156.21
4140 NASDAQ ALGN Fri, Jul 14, 2017 152.14 154.82 152.12 154.30
4139 NASDAQ ALGN Thu, Jul 13, 2017 153.13 153.65 150.76 152.19
4138 NASDAQ ALGN Wed, Jul 12, 2017 152.07 152.93 151.14 152.51
4137 NASDAQ ALGN Tue, Jul 11, 2017 151.56 152.26 150.33 151.59
4136 NASDAQ ALGN Mon, Jul 10, 2017 152.10 153.48 150.56 151.58
4135 NASDAQ ALGN Fri, Jul 7, 2017 150.98 152.80 150.92 151.95
4134 NASDAQ ALGN Thu, Jul 6, 2017 151.12 151.48 149.50 149.74
4133 NASDAQ ALGN Wed, Jul 5, 2017 151.52 152.80 149.16 151.94
4132 NASDAQ ALGN Mon, Jul 3, 2017 151.06 152.23 148.95 149.03
4131 NASDAQ ALGN Fri, Jun 30, 2017 148.33 150.95 148.33 150.12
4130 NASDAQ ALGN Thu, Jun 29, 2017 151.50 152.09 148.01 148.62
4129 NASDAQ ALGN Wed, Jun 28, 2017 150.19 152.59 149.62 152.24
4128 NASDAQ ALGN Tue, Jun 27, 2017 151.15 152.83 148.94 149.34
4127 NASDAQ ALGN Mon, Jun 26, 2017 153.66 154.79 151.45 151.67
4126 NASDAQ ALGN Fri, Jun 23, 2017 154.85 154.85 151.24 153.50
4125 NASDAQ ALGN Thu, Jun 22, 2017 150.07 150.98 148.85 149.69
4124 NASDAQ ALGN Wed, Jun 21, 2017 147.16 149.77 147.15 149.42
4123 NASDAQ ALGN Tue, Jun 20, 2017 150.08 150.84 146.77 146.99
4122 NASDAQ ALGN Mon, Jun 19, 2017 146.32 152.14 146.25 149.70
4121 NASDAQ ALGN Fri, Jun 16, 2017 144.78 145.51 144.01 145.26
4120 NASDAQ ALGN Thu, Jun 15, 2017 142.95 144.17 142.01 144.02
4119 NASDAQ ALGN Wed, Jun 14, 2017 145.38 145.81 142.99 144.30
4118 NASDAQ ALGN Tue, Jun 13, 2017 144.17 146.03 142.04 144.38
4117 NASDAQ ALGN Mon, Jun 12, 2017 147.34 147.79 139.00 143.41
4116 NASDAQ ALGN Fri, Jun 9, 2017 152.16 153.93 146.11 148.85
4115 NASDAQ ALGN Thu, Jun 8, 2017 149.25 151.91 148.46 151.82
4114 NASDAQ ALGN Wed, Jun 7, 2017 149.15 149.64 148.57 149.13
4113 NASDAQ ALGN Tue, Jun 6, 2017 148.74 149.53 147.40 148.62
4112 NASDAQ ALGN Mon, Jun 5, 2017 150.00 150.56 148.60 148.83
4111 NASDAQ ALGN Fri, Jun 2, 2017 146.57 150.36 146.52 149.70
4110 NASDAQ ALGN Thu, Jun 1, 2017 146.36 147.00 144.04 145.91
4109 NASDAQ ALGN Wed, May 31, 2017 144.59 146.00 142.60 145.20
4108 NASDAQ ALGN Tue, May 30, 2017 142.56 144.45 141.70 143.33
4107 NASDAQ ALGN Fri, May 26, 2017 141.40 143.09 140.24 142.10
4106 NASDAQ ALGN Thu, May 25, 2017 138.71 141.94 138.71 141.39
4105 NASDAQ ALGN Wed, May 24, 2017 138.78 139.26 137.78 138.65
4104 NASDAQ ALGN Tue, May 23, 2017 137.93 138.31 136.26 138.22
4103 NASDAQ ALGN Mon, May 22, 2017 139.23 139.42 138.04 138.10
4102 NASDAQ ALGN Fri, May 19, 2017 138.00 138.99 137.70 138.43
4101 NASDAQ ALGN Thu, May 18, 2017 136.00 138.84 135.59 137.69
4100 NASDAQ ALGN Wed, May 17, 2017 137.53 137.89 134.68 136.08
4099 NASDAQ ALGN Tue, May 16, 2017 138.83 139.12 137.50 138.61
4098 NASDAQ ALGN Mon, May 15, 2017 138.90 139.95 138.16 138.46
4097 NASDAQ ALGN Fri, May 12, 2017 137.24 139.23 137.14 138.67
4096 NASDAQ ALGN Thu, May 11, 2017 136.51 137.61 135.85 137.46
4095 NASDAQ ALGN Wed, May 10, 2017 137.96 138.36 135.81 137.01
4094 NASDAQ ALGN Tue, May 9, 2017 137.97 138.97 137.23 138.17
4093 NASDAQ ALGN Mon, May 8, 2017 138.25 138.77 136.32 137.00
4092 NASDAQ ALGN Fri, May 5, 2017 141.69 141.85 137.77 138.03
4091 NASDAQ ALGN Thu, May 4, 2017 132.21 142.18 132.02 141.89
4090 NASDAQ ALGN Wed, May 3, 2017 134.50 135.84 131.32 131.97
4089 NASDAQ ALGN Tue, May 2, 2017 133.56 135.30 133.38 134.12
4088 NASDAQ ALGN Mon, May 1, 2017 135.39 136.33 133.03 133.68
4087 NASDAQ ALGN Fri, Apr 28, 2017 139.79 145.24 133.71 134.62
4086 NASDAQ ALGN Thu, Apr 27, 2017 119.96 120.41 119.16 120.09
4085 NASDAQ ALGN Wed, Apr 26, 2017 119.24 120.06 118.45 119.74
4084 NASDAQ ALGN Tue, Apr 25, 2017 121.47 121.79 118.37 118.78
4083 NASDAQ ALGN Mon, Apr 24, 2017 120.02 120.88 119.05 120.34
4082 NASDAQ ALGN Fri, Apr 21, 2017 119.10 120.02 118.08 118.44
4081 NASDAQ ALGN Thu, Apr 20, 2017 117.50 119.19 116.32 118.87
4080 NASDAQ ALGN Wed, Apr 19, 2017 116.65 117.98 116.57 117.55
4079 NASDAQ ALGN Tue, Apr 18, 2017 114.94 116.40 114.74 116.32
4078 NASDAQ ALGN Mon, Apr 17, 2017 113.96 115.31 113.82 115.18
4077 NASDAQ ALGN Thu, Apr 13, 2017 113.97 114.72 113.40 113.73
4076 NASDAQ ALGN Wed, Apr 12, 2017 115.16 115.50 113.93 114.11
4075 NASDAQ ALGN Tue, Apr 11, 2017 114.82 115.25 114.10 114.95
4074 NASDAQ ALGN Mon, Apr 10, 2017 115.25 115.25 114.27 114.73
4073 NASDAQ ALGN Fri, Apr 7, 2017 114.76 115.74 114.66 114.74
4072 NASDAQ ALGN Thu, Apr 6, 2017 114.77 115.36 114.18 115.19
4071 NASDAQ ALGN Wed, Apr 5, 2017 115.94 116.45 114.72 114.80
4070 NASDAQ ALGN Tue, Apr 4, 2017 116.56 116.99 115.25 115.61
4069 NASDAQ ALGN Mon, Apr 3, 2017 115.13 116.75 114.80 116.36
4068 NASDAQ ALGN Fri, Mar 31, 2017 113.70 115.20 113.46 114.71
4067 NASDAQ ALGN Thu, Mar 30, 2017 114.59 114.98 113.75 113.96
4066 NASDAQ ALGN Wed, Mar 29, 2017 113.81 114.92 113.25 114.23
4065 NASDAQ ALGN Tue, Mar 28, 2017 113.76 114.35 113.22 113.90
4064 NASDAQ ALGN Mon, Mar 27, 2017 113.42 114.49 112.21 114.02
4063 NASDAQ ALGN Fri, Mar 24, 2017 112.64 114.99 112.64 113.87
4062 NASDAQ ALGN Thu, Mar 23, 2017 111.93 113.33 111.35 112.55
4061 NASDAQ ALGN Wed, Mar 22, 2017 110.95 112.49 110.25 111.99
4060 NASDAQ ALGN Tue, Mar 21, 2017 113.77 114.29 110.58 111.06
4059 NASDAQ ALGN Mon, Mar 20, 2017 112.25 113.31 111.65 113.23
4058 NASDAQ ALGN Fri, Mar 17, 2017 110.89 113.00 110.56 111.85
4057 NASDAQ ALGN Thu, Mar 16, 2017 110.65 111.40 109.76 110.47
4056 NASDAQ ALGN Wed, Mar 15, 2017 107.59 110.87 107.12 110.31
4055 NASDAQ ALGN Tue, Mar 14, 2017 107.84 107.84 106.62 107.48
4054 NASDAQ ALGN Mon, Mar 13, 2017 105.47 108.27 105.47 107.99
4053 NASDAQ ALGN Fri, Mar 10, 2017 105.84 105.92 104.40 105.32
4052 NASDAQ ALGN Thu, Mar 9, 2017 104.09 105.59 103.22 105.36
4051 NASDAQ ALGN Wed, Mar 8, 2017 103.65 104.59 103.39 103.72
4050 NASDAQ ALGN Tue, Mar 7, 2017 102.47 103.82 102.02 103.15
4049 NASDAQ ALGN Mon, Mar 6, 2017 104.10 104.70 102.18 102.74
4048 NASDAQ ALGN Fri, Mar 3, 2017 104.20 104.25 103.12 104.04
4047 NASDAQ ALGN Thu, Mar 2, 2017 104.09 104.53 103.16 104.12
4046 NASDAQ ALGN Wed, Mar 1, 2017 103.77 104.42 102.67 103.83
4045 NASDAQ ALGN Tue, Feb 28, 2017 102.27 103.83 102.27 102.76
4044 NASDAQ ALGN Mon, Feb 27, 2017 102.57 103.24 102.11 102.26
4043 NASDAQ ALGN Fri, Feb 24, 2017 100.57 103.04 100.57 102.89
4042 NASDAQ ALGN Thu, Feb 23, 2017 101.21 101.65 100.27 101.16
4041 NASDAQ ALGN Wed, Feb 22, 2017 100.61 101.20 100.03 101.09
4040 NASDAQ ALGN Tue, Feb 21, 2017 102.28 102.90 101.06 101.86
4039 NASDAQ ALGN Fri, Feb 17, 2017 100.35 101.83 99.60 101.77
4038 NASDAQ ALGN Thu, Feb 16, 2017 100.00 100.76 99.62 100.42
4037 NASDAQ ALGN Wed, Feb 15, 2017 98.27 100.12 98.17 99.96
4036 NASDAQ ALGN Tue, Feb 14, 2017 97.67 99.28 97.31 98.39
4035 NASDAQ ALGN Mon, Feb 13, 2017 96.92 98.02 96.40 97.61
4034 NASDAQ ALGN Fri, Feb 10, 2017 95.96 97.22 95.17 96.97
4033 NASDAQ ALGN Thu, Feb 9, 2017 94.20 96.49 94.20 95.98
4032 NASDAQ ALGN Wed, Feb 8, 2017 93.25 94.19 92.61 94.17
4031 NASDAQ ALGN Tue, Feb 7, 2017 94.31 94.50 93.09 93.65
4030 NASDAQ ALGN Mon, Feb 6, 2017 96.00 96.24 93.30 93.85
4029 NASDAQ ALGN Fri, Feb 3, 2017 95.43 96.52 94.14 95.82
4028 NASDAQ ALGN Thu, Feb 2, 2017 97.38 98.54 94.72 95.13
4027 NASDAQ ALGN Wed, Feb 1, 2017 97.00 102.00 95.43 97.25
4026 NASDAQ ALGN Tue, Jan 31, 2017 89.72 91.75 89.32 91.69
4025 NASDAQ ALGN Mon, Jan 30, 2017 89.64 90.09 88.56 89.98
4024 NASDAQ ALGN Fri, Jan 27, 2017 91.67 92.47 89.96 90.93
4023 NASDAQ ALGN Thu, Jan 26, 2017 93.46 93.56 91.84 92.23
4022 NASDAQ ALGN Wed, Jan 25, 2017 91.88 93.60 91.76 93.41
4021 NASDAQ ALGN Tue, Jan 24, 2017 92.53 92.67 90.78 91.65
4020 NASDAQ ALGN Mon, Jan 23, 2017 91.58 92.47 91.44 92.04
4019 NASDAQ ALGN Fri, Jan 20, 2017 90.89 92.03 90.86 91.70
4018 NASDAQ ALGN Thu, Jan 19, 2017 91.51 91.85 90.21 90.55
4017 NASDAQ ALGN Wed, Jan 18, 2017 95.79 96.11 93.83 94.42
4016 NASDAQ ALGN Tue, Jan 17, 2017 95.47 96.17 94.63 95.34
4015 NASDAQ ALGN Fri, Jan 13, 2017 95.65 96.64 95.28 96.01
4014 NASDAQ ALGN Thu, Jan 12, 2017 95.57 95.85 94.40 95.55
4013 NASDAQ ALGN Wed, Jan 11, 2017 96.07 96.76 95.06 96.00
4012 NASDAQ ALGN Tue, Jan 10, 2017 94.61 96.79 94.15 96.13
4011 NASDAQ ALGN Mon, Jan 9, 2017 94.13 95.87 93.51 94.79
4010 NASDAQ ALGN Fri, Jan 6, 2017 94.82 95.74 93.60 94.08
4009 NASDAQ ALGN Thu, Jan 5, 2017 97.52 97.77 94.41 94.82
4008 NASDAQ ALGN Wed, Jan 4, 2017 96.85 98.82 96.80 97.77
4007 NASDAQ ALGN Tue, Jan 3, 2017 96.49 98.33 95.80 96.96
4006 NASDAQ ALGN Fri, Dec 30, 2016 97.12 97.35 95.84 96.13
4005 NASDAQ ALGN Thu, Dec 29, 2016 97.09 97.59 96.55 96.96
4004 NASDAQ ALGN Wed, Dec 28, 2016 98.60 99.24 96.50 96.80
4003 NASDAQ ALGN Tue, Dec 27, 2016 98.71 99.45 98.59 98.66
4002 NASDAQ ALGN Fri, Dec 23, 2016 98.39 98.69 97.91 98.50
4001 NASDAQ ALGN Thu, Dec 22, 2016 98.93 99.16 97.99 98.21
4000 NASDAQ ALGN Wed, Dec 21, 2016 99.76 99.76 98.35 98.71
3999 NASDAQ ALGN Tue, Dec 20, 2016 100.13 100.90 99.05 99.39
3998 NASDAQ ALGN Mon, Dec 19, 2016 101.56 102.10 100.09 100.25
3997 NASDAQ ALGN Fri, Dec 16, 2016 100.18 101.79 100.02 101.14
3996 NASDAQ ALGN Thu, Dec 15, 2016 98.93 100.59 98.25 100.27
3995 NASDAQ ALGN Wed, Dec 14, 2016 99.05 99.93 98.05 98.60
3994 NASDAQ ALGN Tue, Dec 13, 2016 99.69 100.50 97.94 99.15
3993 NASDAQ ALGN Mon, Dec 12, 2016 97.99 99.48 97.62 98.53
3992 NASDAQ ALGN Fri, Dec 9, 2016 99.84 100.67 98.43 98.62
3991 NASDAQ ALGN Thu, Dec 8, 2016 97.89 99.58 97.47 99.30
3990 NASDAQ ALGN Wed, Dec 7, 2016 98.17 98.22 95.25 98.14
3989 NASDAQ ALGN Tue, Dec 6, 2016 94.65 96.37 92.74 96.24
3988 NASDAQ ALGN Mon, Dec 5, 2016 93.26 94.71 93.21 94.01
3987 NASDAQ ALGN Fri, Dec 2, 2016 92.30 94.16 92.25 92.46
3986 NASDAQ ALGN Thu, Dec 1, 2016 93.12 93.68 91.46 92.54
3985 NASDAQ ALGN Wed, Nov 30, 2016 95.00 95.45 92.31 93.05
3984 NASDAQ ALGN Tue, Nov 29, 2016 95.95 96.23 94.94 95.51
3983 NASDAQ ALGN Mon, Nov 28, 2016 96.33 98.11 95.01 95.34
3982 NASDAQ ALGN Fri, Nov 25, 2016 96.44 96.88 95.73 96.19
3981 NASDAQ ALGN Wed, Nov 23, 2016 94.05 96.08 94.05 95.55
3980 NASDAQ ALGN Tue, Nov 22, 2016 95.00 95.11 93.19 94.46
3979 NASDAQ ALGN Mon, Nov 21, 2016 94.75 97.10 94.25 96.18
3978 NASDAQ ALGN Fri, Nov 18, 2016 97.73 98.62 94.80 94.84
3977 NASDAQ ALGN Thu, Nov 17, 2016 93.75 97.28 93.72 97.24
3976 NASDAQ ALGN Wed, Nov 16, 2016 93.42 95.34 93.21 94.04
3975 NASDAQ ALGN Tue, Nov 15, 2016 90.52 94.56 90.52 93.95
3974 NASDAQ ALGN Mon, Nov 14, 2016 92.06 92.87 89.99 90.22
3973 NASDAQ ALGN Fri, Nov 11, 2016 90.51 92.15 89.82 91.54
3972 NASDAQ ALGN Thu, Nov 10, 2016 91.77 92.62 88.74 90.60
3971 NASDAQ ALGN Wed, Nov 9, 2016 87.77 91.38 87.19 90.88
3970 NASDAQ ALGN Tue, Nov 8, 2016 89.89 91.96 86.72 88.79
3969 NASDAQ ALGN Mon, Nov 7, 2016 87.14 88.69 86.38 87.86
3968 NASDAQ ALGN Fri, Nov 4, 2016 86.09 86.54 85.56 85.73
3967 NASDAQ ALGN Thu, Nov 3, 2016 85.71 87.01 85.42 86.08
3966 NASDAQ ALGN Wed, Nov 2, 2016 84.48 86.73 84.21 85.21
3965 NASDAQ ALGN Tue, Nov 1, 2016 85.86 86.73 83.77 84.56
3964 NASDAQ ALGN Mon, Oct 31, 2016 85.31 86.35 83.63 85.92
3963 NASDAQ ALGN Fri, Oct 28, 2016 83.80 86.63 83.30 85.17
3962 NASDAQ ALGN Thu, Oct 27, 2016 84.90 84.90 83.27 84.14
3961 NASDAQ ALGN Wed, Oct 26, 2016 87.00 87.00 84.18 84.52
3960 NASDAQ ALGN Tue, Oct 25, 2016 89.99 89.99 87.12 87.50
3959 NASDAQ ALGN Mon, Oct 24, 2016 90.00 91.05 89.04 89.26
3958 NASDAQ ALGN Fri, Oct 21, 2016 90.50 90.62 88.86 89.50
3957 NASDAQ ALGN Thu, Oct 20, 2016 91.00 91.61 90.67 91.53
3956 NASDAQ ALGN Wed, Oct 19, 2016 91.11 91.52 90.25 91.01
3955 NASDAQ ALGN Tue, Oct 18, 2016 90.90 91.18 90.29 90.41
3954 NASDAQ ALGN Mon, Oct 17, 2016 90.72 91.27 89.35 89.79
3953 NASDAQ ALGN Fri, Oct 14, 2016 91.05 91.82 90.57 90.88
3952 NASDAQ ALGN Thu, Oct 13, 2016 89.96 91.44 89.47 90.95
3951 NASDAQ ALGN Wed, Oct 12, 2016 90.02 90.56 89.11 90.26
3950 NASDAQ ALGN Tue, Oct 11, 2016 91.32 92.04 88.80 89.61
3949 NASDAQ ALGN Mon, Oct 10, 2016 89.71 92.18 89.71 91.08
3948 NASDAQ ALGN Fri, Oct 7, 2016 89.77 90.00 88.50 89.68
3947 NASDAQ ALGN Thu, Oct 6, 2016 89.09 90.15 88.92 89.44
3946 NASDAQ ALGN Wed, Oct 5, 2016 89.51 90.34 89.18 89.48
3945 NASDAQ ALGN Tue, Oct 4, 2016 90.58 91.68 88.75 89.46
3944 NASDAQ ALGN Mon, Oct 3, 2016 92.04 92.30 88.20 90.21
3943 NASDAQ ALGN Fri, Sep 30, 2016 92.50 94.52 92.33 93.75
3942 NASDAQ ALGN Thu, Sep 29, 2016 94.51 94.51 91.64 92.41
3941 NASDAQ ALGN Wed, Sep 28, 2016 94.54 94.70 93.59 94.60
3940 NASDAQ ALGN Tue, Sep 27, 2016 93.49 94.65 93.07 94.44
3939 NASDAQ ALGN Mon, Sep 26, 2016 94.07 94.13 92.86 93.09
3938 NASDAQ ALGN Fri, Sep 23, 2016 95.30 95.55 93.73 94.13
3937 NASDAQ ALGN Thu, Sep 22, 2016 95.98 96.23 95.46 95.67
3936 NASDAQ ALGN Wed, Sep 21, 2016 93.76 95.70 93.47 95.34
3935 NASDAQ ALGN Tue, Sep 20, 2016 94.79 94.98 93.67 93.70
3934 NASDAQ ALGN Mon, Sep 19, 2016 93.89 95.44 93.50 94.13
3933 NASDAQ ALGN Fri, Sep 16, 2016 92.86 94.10 92.47 93.84
3932 NASDAQ ALGN Thu, Sep 15, 2016 92.95 93.59 92.04 92.93
3931 NASDAQ ALGN Wed, Sep 14, 2016 92.10 92.59 91.45 92.35
3930 NASDAQ ALGN Tue, Sep 13, 2016 92.61 93.60 91.32 91.98
3929 NASDAQ ALGN Mon, Sep 12, 2016 91.57 93.35 91.02 93.12
3928 NASDAQ ALGN Fri, Sep 9, 2016 94.57 95.44 91.51 91.79
3927 NASDAQ ALGN Thu, Sep 8, 2016 96.25 96.90 95.20 95.40
3926 NASDAQ ALGN Wed, Sep 7, 2016 95.38 96.48 95.38 96.29
3925 NASDAQ ALGN Tue, Sep 6, 2016 96.23 96.57 94.39 95.26
3924 NASDAQ ALGN Fri, Sep 2, 2016 94.43 95.94 94.43 95.78
3923 NASDAQ ALGN Thu, Sep 1, 2016 93.20 93.92 92.40 93.76
3922 NASDAQ ALGN Wed, Aug 31, 2016 93.05 93.44 92.34 92.90
3921 NASDAQ ALGN Tue, Aug 30, 2016 93.51 93.72 92.45 93.19
3920 NASDAQ ALGN Mon, Aug 29, 2016 92.98 93.82 92.74 93.45
3919 NASDAQ ALGN Fri, Aug 26, 2016 92.10 93.79 92.10 92.67
3918 NASDAQ ALGN Thu, Aug 25, 2016 92.40 92.71 90.57 92.02
3917 NASDAQ ALGN Wed, Aug 24, 2016 93.60 93.63 92.18 92.41
3916 NASDAQ ALGN Tue, Aug 23, 2016 94.50 94.60 93.27 93.61
3915 NASDAQ ALGN Mon, Aug 22, 2016 94.52 95.40 94.22 94.40
3914 NASDAQ ALGN Fri, Aug 19, 2016 94.47 95.59 94.02 94.82
3913 NASDAQ ALGN Thu, Aug 18, 2016 92.49 95.23 92.49 94.71
3912 NASDAQ ALGN Wed, Aug 17, 2016 94.82 95.00 92.33 93.03
3911 NASDAQ ALGN Tue, Aug 16, 2016 95.83 95.93 94.63 94.71
3910 NASDAQ ALGN Mon, Aug 15, 2016 95.62 96.13 94.86 96.00
3909 NASDAQ ALGN Fri, Aug 12, 2016 94.84 95.78 94.56 95.65
3908 NASDAQ ALGN Thu, Aug 11, 2016 93.38 95.05 93.37 94.63
3907 NASDAQ ALGN Wed, Aug 10, 2016 93.47 93.90 93.12 93.37
3906 NASDAQ ALGN Tue, Aug 9, 2016 91.98 93.27 91.87 93.16
3905 NASDAQ ALGN Mon, Aug 8, 2016 92.21 92.40 91.47 91.80
3904 NASDAQ ALGN Fri, Aug 5, 2016 92.00 92.61 91.42 91.83
3903 NASDAQ ALGN Thu, Aug 4, 2016 91.98 92.40 90.68 91.72
3902 NASDAQ ALGN Wed, Aug 3, 2016 90.52 92.04 90.02 91.95
3901 NASDAQ ALGN Tue, Aug 2, 2016 89.32 90.61 89.26 90.38
3900 NASDAQ ALGN Mon, Aug 1, 2016 89.49 90.10 88.65 89.69
3899 NASDAQ ALGN Fri, Jul 29, 2016 85.25 89.58 85.15 89.15
3898 NASDAQ ALGN Thu, Jul 28, 2016 85.36 86.20 84.40 85.28
3897 NASDAQ ALGN Wed, Jul 27, 2016 85.57 85.77 84.56 85.15
3896 NASDAQ ALGN Tue, Jul 26, 2016 84.15 85.66 84.15 85.61
3895 NASDAQ ALGN Mon, Jul 25, 2016 84.63 84.67 83.77 84.17
3894 NASDAQ ALGN Fri, Jul 22, 2016 83.00 84.60 82.60 84.59
3893 NASDAQ ALGN Thu, Jul 21, 2016 83.68 84.12 82.31 82.72
3892 NASDAQ ALGN Wed, Jul 20, 2016 83.59 83.91 83.34 83.41
3891 NASDAQ ALGN Tue, Jul 19, 2016 83.20 83.35 82.74 82.98
3890 NASDAQ ALGN Mon, Jul 18, 2016 82.40 82.98 82.40 82.87
3889 NASDAQ ALGN Fri, Jul 15, 2016 83.35 83.96 82.00 82.42
3888 NASDAQ ALGN Thu, Jul 14, 2016 83.65 83.92 82.96 83.25
3887 NASDAQ ALGN Wed, Jul 13, 2016 84.37 84.80 82.90 83.06
3886 NASDAQ ALGN Tue, Jul 12, 2016 83.98 84.75 83.77 84.37
3885 NASDAQ ALGN Mon, Jul 11, 2016 83.49 83.77 82.93 83.37
3884 NASDAQ ALGN Fri, Jul 8, 2016 82.21 83.30 81.92 82.93
3883 NASDAQ ALGN Thu, Jul 7, 2016 82.18 83.18 81.38 81.89
3882 NASDAQ ALGN Wed, Jul 6, 2016 80.71 81.90 80.50 81.25
3881 NASDAQ ALGN Tue, Jul 5, 2016 82.55 82.63 80.30 80.87
3880 NASDAQ ALGN Fri, Jul 1, 2016 80.74 82.57 80.31 82.54
3879 NASDAQ ALGN Thu, Jun 30, 2016 79.91 80.57 79.37 80.55
3878 NASDAQ ALGN Wed, Jun 29, 2016 79.35 79.99 78.96 79.85
3877 NASDAQ ALGN Tue, Jun 28, 2016 77.87 78.65 77.40 78.62
3876 NASDAQ ALGN Mon, Jun 27, 2016 78.33 79.24 77.07 77.21
3875 NASDAQ ALGN Fri, Jun 24, 2016 78.85 80.18 78.14 79.00
3874 NASDAQ ALGN Thu, Jun 23, 2016 81.19 81.98 79.89 81.82
3873 NASDAQ ALGN Wed, Jun 22, 2016 79.39 80.53 78.84 80.42
3872 NASDAQ ALGN Tue, Jun 21, 2016 79.51 79.94 78.94 79.34
3871 NASDAQ ALGN Mon, Jun 20, 2016 80.17 81.00 79.61 79.67
3870 NASDAQ ALGN Fri, Jun 17, 2016 79.20 79.66 78.53 79.17
3869 NASDAQ ALGN Thu, Jun 16, 2016 78.95 79.58 78.31 79.35
3868 NASDAQ ALGN Wed, Jun 15, 2016 79.39 79.63 78.95 79.25
3867 NASDAQ ALGN Tue, Jun 14, 2016 78.00 79.12 77.70 78.96
3866 NASDAQ ALGN Mon, Jun 13, 2016 78.61 79.56 78.24 78.25
3865 NASDAQ ALGN Fri, Jun 10, 2016 78.95 79.24 78.57 78.83
3864 NASDAQ ALGN Thu, Jun 9, 2016 79.10 79.78 78.98 79.69
3863 NASDAQ ALGN Wed, Jun 8, 2016 78.97 79.58 78.40 79.37
3862 NASDAQ ALGN Tue, Jun 7, 2016 78.84 79.30 78.35 78.84
3861 NASDAQ ALGN Mon, Jun 6, 2016 78.41 79.02 77.91 78.70
3860 NASDAQ ALGN Fri, Jun 3, 2016 79.60 79.60 78.28 78.40
3859 NASDAQ ALGN Thu, Jun 2, 2016 79.02 79.64 79.00 79.63
3858 NASDAQ ALGN Wed, Jun 1, 2016 78.92 79.66 78.45 79.22
3857 NASDAQ ALGN Tue, May 31, 2016 79.18 79.79 78.72 78.83
3856 NASDAQ ALGN Fri, May 27, 2016 78.59 79.58 78.29 79.18
3855 NASDAQ ALGN Thu, May 26, 2016 79.02 79.10 78.06 78.74
3854 NASDAQ ALGN Wed, May 25, 2016 78.83 79.46 78.29 79.00
3853 NASDAQ ALGN Tue, May 24, 2016 78.04 78.94 77.54 78.78
3852 NASDAQ ALGN Mon, May 23, 2016 77.70 78.28 77.19 77.38
3851 NASDAQ ALGN Fri, May 20, 2016 76.48 78.25 76.14 77.43
3850 NASDAQ ALGN Thu, May 19, 2016 75.62 77.09 74.92 75.97
3849 NASDAQ ALGN Wed, May 18, 2016 75.90 77.11 75.52 76.03
3848 NASDAQ ALGN Tue, May 17, 2016 77.13 77.32 75.76 75.96
3847 NASDAQ ALGN Mon, May 16, 2016 76.40 77.60 76.36 76.98
3846 NASDAQ ALGN Fri, May 13, 2016 75.47 76.80 75.47 76.08
3845 NASDAQ ALGN Thu, May 12, 2016 76.40 77.19 75.14 75.72
3844 NASDAQ ALGN Wed, May 11, 2016 77.09 77.19 76.01 76.33
3843 NASDAQ ALGN Tue, May 10, 2016 76.30 77.09 75.99 76.56
3842 NASDAQ ALGN Mon, May 9, 2016 74.48 76.52 74.48 75.58
3841 NASDAQ ALGN Fri, May 6, 2016 75.05 75.63 73.85 74.70
3840 NASDAQ ALGN Thu, May 5, 2016 74.36 76.29 74.26 75.56
3839 NASDAQ ALGN Wed, May 4, 2016 74.40 75.08 74.05 74.80
3838 NASDAQ ALGN Tue, May 3, 2016 74.10 75.41 73.97 74.90
3837 NASDAQ ALGN Mon, May 2, 2016 72.56 75.11 72.39 75.10
3836 NASDAQ ALGN Fri, Apr 29, 2016 75.05 75.69 70.03 72.19
3835 NASDAQ ALGN Thu, Apr 28, 2016 74.42 75.74 73.41 73.70
3834 NASDAQ ALGN Wed, Apr 27, 2016 74.04 74.99 73.65 74.78
3833 NASDAQ ALGN Tue, Apr 26, 2016 74.73 75.17 74.05 74.70
3832 NASDAQ ALGN Mon, Apr 25, 2016 73.79 74.52 73.54 74.28
3831 NASDAQ ALGN Fri, Apr 22, 2016 73.30 73.88 72.94 73.87
3830 NASDAQ ALGN Thu, Apr 21, 2016 73.73 74.20 73.04 73.30
3829 NASDAQ ALGN Wed, Apr 20, 2016 73.42 74.03 72.48 73.55
3828 NASDAQ ALGN Tue, Apr 19, 2016 74.07 74.13 72.71 72.90
3827 NASDAQ ALGN Mon, Apr 18, 2016 73.45 74.03 73.13 73.63
3826 NASDAQ ALGN Fri, Apr 15, 2016 72.98 73.67 72.75 73.47
3825 NASDAQ ALGN Thu, Apr 14, 2016 73.16 73.43 72.62 73.13
3824 NASDAQ ALGN Wed, Apr 13, 2016 73.22 73.49 72.87 73.09
3823 NASDAQ ALGN Tue, Apr 12, 2016 73.37 73.70 72.71 73.09
3822 NASDAQ ALGN Mon, Apr 11, 2016 73.25 74.21 72.99 73.32
3821 NASDAQ ALGN Fri, Apr 8, 2016 73.17 73.32 72.36 73.06
3820 NASDAQ ALGN Thu, Apr 7, 2016 73.57 73.62 72.30 72.49
3819 NASDAQ ALGN Wed, Apr 6, 2016 72.09 73.58 71.91 73.55
3818 NASDAQ ALGN Tue, Apr 5, 2016 73.34 73.34 73.34 72.18
3817 NASDAQ ALGN Mon, Apr 4, 2016 73.30 73.83 72.29 73.34
3816 NASDAQ ALGN Fri, Apr 1, 2016 72.57 73.46 71.90 73.02
3815 NASDAQ ALGN Thu, Mar 31, 2016 72.00 73.55 71.97 72.01
3814 NASDAQ ALGN Wed, Mar 30, 2016 72.53 73.43 71.94 72.01
3813 NASDAQ ALGN Tue, Mar 29, 2016 70.06 72.63 69.71 70.35
3812 NASDAQ ALGN Mon, Mar 28, 2016 70.34 70.68 69.70 70.35
3811 NASDAQ ALGN Thu, Mar 24, 2016 69.78 69.78 69.50 70.23
3810 NASDAQ ALGN Wed, Mar 23, 2016 69.91 70.40 69.51 69.78
3809 NASDAQ ALGN Tue, Mar 22, 2016 68.71 69.88 68.44 69.82
3808 NASDAQ ALGN Mon, Mar 21, 2016 69.22 69.88 68.46 68.80
3807 NASDAQ ALGN Fri, Mar 18, 2016 68.50 69.43 68.25 68.90
3806 NASDAQ ALGN Thu, Mar 17, 2016 68.67 69.24 66.79 68.47
3805 NASDAQ ALGN Wed, Mar 16, 2016 70.60 72.83 70.41 72.64
3804 NASDAQ ALGN Tue, Mar 15, 2016 72.21 72.21 72.21 71.04
3803 NASDAQ ALGN Mon, Mar 14, 2016 71.58 72.56 71.12 72.21
3802 NASDAQ ALGN Fri, Mar 11, 2016 71.22 72.75 70.84 72.30
3801 NASDAQ ALGN Thu, Mar 10, 2016 70.69 70.69 70.69 70.42
3800 NASDAQ ALGN Wed, Mar 9, 2016 70.60 70.60 70.60 70.69
3799 NASDAQ ALGN Tue, Mar 8, 2016 71.07 71.51 69.84 71.55
3798 NASDAQ ALGN Mon, Mar 7, 2016 70.35 71.65 69.84 71.55
3797 NASDAQ ALGN Fri, Mar 4, 2016 69.44 69.44 69.44 70.39
3796 NASDAQ ALGN Thu, Mar 3, 2016 68.51 68.51 68.51 69.44
3795 NASDAQ ALGN Wed, Mar 2, 2016 67.98 68.62 66.72 67.86
3794 NASDAQ ALGN Tue, Mar 1, 2016 66.03 66.03 66.03 67.86
3793 NASDAQ ALGN Mon, Feb 29, 2016 65.32 66.25 65.08 65.40
3792 NASDAQ ALGN Fri, Feb 26, 2016 64.20 65.62 64.16 65.40
3791 NASDAQ ALGN Thu, Feb 25, 2016 63.50 64.50 62.25 64.46
3790 NASDAQ ALGN Wed, Feb 24, 2016 62.24 63.55 61.49 63.32
3789 NASDAQ ALGN Tue, Feb 23, 2016 63.42 64.50 62.82 62.94
3788 NASDAQ ALGN Mon, Feb 22, 2016 63.77 64.66 63.68 64.33
3787 NASDAQ ALGN Fri, Feb 19, 2016 62.35 63.44 61.44 63.29
3786 NASDAQ ALGN Thu, Feb 18, 2016 63.62 63.83 62.39 62.88
3785 NASDAQ ALGN Wed, Feb 17, 2016 62.07 63.66 61.06 63.10
3784 NASDAQ ALGN Tue, Feb 16, 2016 59.61 61.95 58.96 61.87
3783 NASDAQ ALGN Fri, Feb 12, 2016 59.74 59.95 58.00 58.78
3782 NASDAQ ALGN Thu, Feb 11, 2016 59.21 59.72 57.75 58.79
3781 NASDAQ ALGN Wed, Feb 10, 2016 59.21 62.68 58.69 60.13
3780 NASDAQ ALGN Tue, Feb 9, 2016 58.22 59.74 58.05 58.66
3779 NASDAQ ALGN Mon, Feb 8, 2016 65.00 65.00 57.51 58.65
3778 NASDAQ ALGN Fri, Feb 5, 2016 67.10 67.34 65.02 65.87
3777 NASDAQ ALGN Thu, Feb 4, 2016 67.01 67.99 66.59 67.38
3776 NASDAQ ALGN Wed, Feb 3, 2016 67.76 68.00 65.25 67.17
3775 NASDAQ ALGN Tue, Feb 2, 2016 65.65 67.75 65.57 67.54
3774 NASDAQ ALGN Mon, Feb 1, 2016 66.11 68.03 65.58 67.55
3773 NASDAQ ALGN Fri, Jan 29, 2016 64.50 69.36 62.89 66.14
3772 NASDAQ ALGN Thu, Jan 28, 2016 61.58 62.20 58.43 59.51
3771 NASDAQ ALGN Wed, Jan 27, 2016 62.40 62.94 61.21 61.42
3770 NASDAQ ALGN Tue, Jan 26, 2016 60.47 62.34 59.94 62.21
3769 NASDAQ ALGN Mon, Jan 25, 2016 60.81 61.33 60.17 60.39
3768 NASDAQ ALGN Fri, Jan 22, 2016 61.18 61.46 59.86 60.95
3767 NASDAQ ALGN Thu, Jan 21, 2016 60.46 61.35 59.88 60.73
3766 NASDAQ ALGN Wed, Jan 20, 2016 59.16 60.94 57.31 60.33
3765 NASDAQ ALGN Tue, Jan 19, 2016 60.27 61.05 59.31 59.77
3764 NASDAQ ALGN Fri, Jan 15, 2016 58.70 59.86 57.83 59.86
3763 NASDAQ ALGN Thu, Jan 14, 2016 59.31 60.52 58.18 59.99
3762 NASDAQ ALGN Wed, Jan 13, 2016 61.89 62.03 58.68 58.86
3761 NASDAQ ALGN Tue, Jan 12, 2016 61.00 62.21 60.61 61.77
3760 NASDAQ ALGN Mon, Jan 11, 2016 64.78 64.95 60.44 61.00
3759 NASDAQ ALGN Fri, Jan 8, 2016 64.38 66.10 63.94 64.53
3758 NASDAQ ALGN Thu, Jan 7, 2016 63.53 64.89 62.91 63.50
3757 NASDAQ ALGN Wed, Jan 6, 2016 64.11 65.82 64.03 64.87
3756 NASDAQ ALGN Tue, Jan 5, 2016 64.64 67.00 64.64 64.95
3755 NASDAQ ALGN Mon, Jan 4, 2016 64.99 65.00 63.43 64.27
3754 NASDAQ ALGN Thu, Dec 31, 2015 66.50 67.37 65.79 65.85
3753 NASDAQ ALGN Wed, Dec 30, 2015 66.41 66.64 66.07 66.10
3752 NASDAQ ALGN Tue, Dec 29, 2015 66.93 67.37 66.01 66.37
3751 NASDAQ ALGN Mon, Dec 28, 2015 65.10 66.49 65.10 66.34
3750 NASDAQ ALGN Thu, Dec 24, 2015 65.36 65.73 65.22 65.39
3749 NASDAQ ALGN Wed, Dec 23, 2015 65.75 65.91 63.84 65.12
3748 NASDAQ ALGN Tue, Dec 22, 2015 64.72 65.85 64.10 65.42
3747 NASDAQ ALGN Mon, Dec 21, 2015 64.46 64.68 63.73 64.21
3746 NASDAQ ALGN Fri, Dec 18, 2015 64.41 64.72 63.85 64.16
3745 NASDAQ ALGN Thu, Dec 17, 2015 65.75 65.94 64.11 64.77
3744 NASDAQ ALGN Wed, Dec 16, 2015 66.11 66.31 63.19 65.76
3743 NASDAQ ALGN Tue, Dec 15, 2015 65.69 66.16 64.58 65.84
3742 NASDAQ ALGN Mon, Dec 14, 2015 65.20 65.69 64.40 65.04
3741 NASDAQ ALGN Fri, Dec 11, 2015 64.69 65.35 64.03 65.09
3740 NASDAQ ALGN Thu, Dec 10, 2015 65.04 66.35 64.46 65.03
3739 NASDAQ ALGN Wed, Dec 9, 2015 66.17 66.96 64.52 64.84
3738 NASDAQ ALGN Tue, Dec 8, 2015 66.23 66.72 65.13 66.58
3737 NASDAQ ALGN Mon, Dec 7, 2015 65.71 66.59 65.06 66.47
3736 NASDAQ ALGN Fri, Dec 4, 2015 65.80 66.29 64.52 65.56
3735 NASDAQ ALGN Thu, Dec 3, 2015 68.33 68.42 65.58 65.82
3734 NASDAQ ALGN Wed, Dec 2, 2015 67.34 68.33 67.09 67.93
3733 NASDAQ ALGN Tue, Dec 1, 2015 66.86 67.23 66.15 67.09
3732 NASDAQ ALGN Mon, Nov 30, 2015 67.79 68.00 66.45 66.74
3731 NASDAQ ALGN Fri, Nov 27, 2015 67.73 67.97 67.25 67.65
3730 NASDAQ ALGN Wed, Nov 25, 2015 67.46 67.97 67.22 67.76
3729 NASDAQ ALGN Tue, Nov 24, 2015 67.00 67.30 66.19 67.25
3728 NASDAQ ALGN Mon, Nov 23, 2015 67.04 67.68 66.92 67.21
3727 NASDAQ ALGN Fri, Nov 20, 2015 67.36 67.96 66.92 67.19
3726 NASDAQ ALGN Thu, Nov 19, 2015 66.38 67.46 66.00 67.39
3725 NASDAQ ALGN Wed, Nov 18, 2015 66.63 66.72 65.14 66.33
3724 NASDAQ ALGN Tue, Nov 17, 2015 65.33 66.41 65.11 65.28
3723 NASDAQ ALGN Mon, Nov 16, 2015 63.65 65.23 63.05 65.15
3722 NASDAQ ALGN Fri, Nov 13, 2015 64.00 64.36 63.60 63.67
3721 NASDAQ ALGN Thu, Nov 12, 2015 65.04 65.60 63.88 64.00
3720 NASDAQ ALGN Wed, Nov 11, 2015 66.00 66.19 65.43 65.59
3719 NASDAQ ALGN Tue, Nov 10, 2015 66.66 67.11 64.69 66.10
3718 NASDAQ ALGN Mon, Nov 9, 2015 66.93 67.98 66.57 67.08
3717 NASDAQ ALGN Fri, Nov 6, 2015 66.16 67.19 65.94 67.17
3716 NASDAQ ALGN Thu, Nov 5, 2015 66.60 66.80 65.78 66.39
3715 NASDAQ ALGN Wed, Nov 4, 2015 67.18 67.31 65.98 66.53
3714 NASDAQ ALGN Tue, Nov 3, 2015 66.20 66.96 65.61 66.93
3713 NASDAQ ALGN Mon, Nov 2, 2015 65.76 67.08 65.15 66.37
3712 NASDAQ ALGN Fri, Oct 30, 2015 65.39 65.97 64.56 65.46
3711 NASDAQ ALGN Thu, Oct 29, 2015 66.47 66.47 65.28 65.70
3710 NASDAQ ALGN Wed, Oct 28, 2015 67.12 67.12 65.39 66.30
3709 NASDAQ ALGN Tue, Oct 27, 2015 68.00 68.16 66.22 67.09
3708 NASDAQ ALGN Mon, Oct 26, 2015 67.00 68.43 66.18 68.27
3707 NASDAQ ALGN Fri, Oct 23, 2015 64.50 68.48 64.40 67.97
3706 NASDAQ ALGN Thu, Oct 22, 2015 61.76 61.90 60.35 60.78
3705 NASDAQ ALGN Wed, Oct 21, 2015 62.44 62.44 60.74 61.59
3704 NASDAQ ALGN Tue, Oct 20, 2015 61.28 62.00 60.72 61.98
3703 NASDAQ ALGN Mon, Oct 19, 2015 60.47 61.73 60.33 61.10
3702 NASDAQ ALGN Fri, Oct 16, 2015 60.83 61.42 59.84 60.65
3701 NASDAQ ALGN Thu, Oct 15, 2015 57.13 60.93 56.98 60.65
3700 NASDAQ ALGN Wed, Oct 14, 2015 56.52 57.05 55.32 56.50
3699 NASDAQ ALGN Tue, Oct 13, 2015 56.83 57.53 56.16 56.21
3698 NASDAQ ALGN Mon, Oct 12, 2015 56.45 57.66 56.38 57.26
3697 NASDAQ ALGN Fri, Oct 9, 2015 56.33 56.63 55.68 56.39
3696 NASDAQ ALGN Thu, Oct 8, 2015 56.59 56.96 55.43 56.23
3695 NASDAQ ALGN Wed, Oct 7, 2015 56.05 56.83 55.37 56.55
3694 NASDAQ ALGN Tue, Oct 6, 2015 58.55 58.96 55.53 55.75
3693 NASDAQ ALGN Mon, Oct 5, 2015 57.30 58.59 57.30 58.47
3692 NASDAQ ALGN Fri, Oct 2, 2015 54.91 56.97 54.69 56.91
3691 NASDAQ ALGN Thu, Oct 1, 2015 56.58 56.79 55.00 55.44
3690 NASDAQ ALGN Wed, Sep 30, 2015 56.24 56.94 55.51 56.76
3689 NASDAQ ALGN Tue, Sep 29, 2015 55.51 56.80 55.15 55.91
3688 NASDAQ ALGN Mon, Sep 28, 2015 56.17 56.47 54.64 55.33
3687 NASDAQ ALGN Fri, Sep 25, 2015 57.37 57.79 55.91 56.65
3686 NASDAQ ALGN Thu, Sep 24, 2015 56.81 57.10 56.09 56.96
3685 NASDAQ ALGN Wed, Sep 23, 2015 56.85 57.54 56.71 57.21
3684 NASDAQ ALGN Tue, Sep 22, 2015 56.45 56.98 56.12 56.87
3683 NASDAQ ALGN Mon, Sep 21, 2015 57.50 58.07 56.68 57.01
3682 NASDAQ ALGN Fri, Sep 18, 2015 57.74 58.54 57.24 57.42
3681 NASDAQ ALGN Thu, Sep 17, 2015 56.73 59.47 56.45 58.45
3680 NASDAQ ALGN Wed, Sep 16, 2015 56.33 56.79 56.12 56.60
3679 NASDAQ ALGN Tue, Sep 15, 2015 55.84 56.66 55.03 56.52
3678 NASDAQ ALGN Mon, Sep 14, 2015 55.66 55.88 55.38 55.61
3677 NASDAQ ALGN Fri, Sep 11, 2015 55.53 56.90 55.09 55.55
3676 NASDAQ ALGN Thu, Sep 10, 2015 54.69 55.84 54.34 55.19
3675 NASDAQ ALGN Wed, Sep 9, 2015 56.03 56.21 54.85 54.97
3674 NASDAQ ALGN Tue, Sep 8, 2015 55.21 55.52 54.70 55.40
3673 NASDAQ ALGN Fri, Sep 4, 2015 54.44 54.87 53.75 54.28
3672 NASDAQ ALGN Thu, Sep 3, 2015 55.17 55.86 54.88 55.13
3671 NASDAQ ALGN Wed, Sep 2, 2015 54.49 55.13 53.57 55.10
3670 NASDAQ ALGN Tue, Sep 1, 2015 55.62 56.44 53.85 53.94
3669 NASDAQ ALGN Mon, Aug 31, 2015 57.07 57.84 56.55 56.60
3668 NASDAQ ALGN Fri, Aug 28, 2015 57.02 57.36 56.36 57.27
3667 NASDAQ ALGN Thu, Aug 27, 2015 56.83 57.49 55.82 56.82
3666 NASDAQ ALGN Wed, Aug 26, 2015 55.53 56.22 54.71 55.95
3665 NASDAQ ALGN Tue, Aug 25, 2015 56.38 56.47 54.15 54.23
3664 NASDAQ ALGN Mon, Aug 24, 2015 53.39 56.41 52.01 54.55
3663 NASDAQ ALGN Fri, Aug 21, 2015 57.64 57.99 56.39 56.45
3662 NASDAQ ALGN Thu, Aug 20, 2015 59.50 59.50 57.96 58.02
3661 NASDAQ ALGN Wed, Aug 19, 2015 60.07 60.43 59.44 59.73
3660 NASDAQ ALGN Tue, Aug 18, 2015 60.81 61.32 60.32 60.52
3659 NASDAQ ALGN Mon, Aug 17, 2015 60.48 60.99 60.05 60.88
3658 NASDAQ ALGN Fri, Aug 14, 2015 60.00 60.67 59.68 60.57
3657 NASDAQ ALGN Thu, Aug 13, 2015 60.63 61.27 60.14 60.20
3656 NASDAQ ALGN Wed, Aug 12, 2015 60.33 60.95 59.67 60.83
3655 NASDAQ ALGN Tue, Aug 11, 2015 61.13 61.78 60.77 61.15
3654 NASDAQ ALGN Mon, Aug 10, 2015 61.05 61.97 61.05 61.70
3653 NASDAQ ALGN Fri, Aug 7, 2015 60.94 61.21 60.16 60.73
3652 NASDAQ ALGN Thu, Aug 6, 2015 61.95 62.04 60.55 60.94
3651 NASDAQ ALGN Wed, Aug 5, 2015 61.87 62.60 61.50 62.07
3650 NASDAQ ALGN Tue, Aug 4, 2015 62.33 62.83 61.39 61.44
3649 NASDAQ ALGN Mon, Aug 3, 2015 62.48 63.06 61.50 62.61
3648 NASDAQ ALGN Fri, Jul 31, 2015 62.59 63.53 62.08 62.70
3647 NASDAQ ALGN Thu, Jul 30, 2015 62.80 62.93 62.14 62.36
3646 NASDAQ ALGN Wed, Jul 29, 2015 61.48 62.70 60.73 62.60
3645 NASDAQ ALGN Tue, Jul 28, 2015 61.20 61.61 60.18 61.20
3644 NASDAQ ALGN Mon, Jul 27, 2015 59.59 60.98 58.86 60.98
3643 NASDAQ ALGN Fri, Jul 24, 2015 63.50 64.60 60.05 60.40
3642 NASDAQ ALGN Thu, Jul 23, 2015 65.74 66.53 65.17 65.59
3641 NASDAQ ALGN Wed, Jul 22, 2015 64.83 65.53 64.73 65.23
3640 NASDAQ ALGN Tue, Jul 21, 2015 66.45 66.45 64.74 65.16
3639 NASDAQ ALGN Mon, Jul 20, 2015 65.08 66.46 64.95 66.04
3638 NASDAQ ALGN Fri, Jul 17, 2015 65.46 65.63 64.72 64.93
3637 NASDAQ ALGN Thu, Jul 16, 2015 65.05 65.58 64.71 65.37
3636 NASDAQ ALGN Wed, Jul 15, 2015 64.50 65.04 63.97 64.63
3635 NASDAQ ALGN Tue, Jul 14, 2015 63.53 64.51 63.53 64.31
3634 NASDAQ ALGN Mon, Jul 13, 2015 63.26 63.82 62.68 63.61
3633 NASDAQ ALGN Fri, Jul 10, 2015 62.84 63.15 62.26 62.94
3632 NASDAQ ALGN Thu, Jul 9, 2015 63.36 63.37 62.01 62.20
3631 NASDAQ ALGN Wed, Jul 8, 2015 63.24 63.71 62.10 62.74
3630 NASDAQ ALGN Tue, Jul 7, 2015 62.79 63.66 61.78 63.50
3629 NASDAQ ALGN Mon, Jul 6, 2015 62.72 64.18 62.29 62.50
3628 NASDAQ ALGN Thu, Jul 2, 2015 63.37 64.00 62.80 63.29
3627 NASDAQ ALGN Wed, Jul 1, 2015 63.18 63.75 62.62 63.22
3626 NASDAQ ALGN Tue, Jun 30, 2015 62.34 63.11 61.65 62.71
3625 NASDAQ ALGN Mon, Jun 29, 2015 62.26 62.74 61.54 61.65
3624 NASDAQ ALGN Fri, Jun 26, 2015 61.88 62.66 61.69 62.63
3623 NASDAQ ALGN Thu, Jun 25, 2015 61.25 62.17 61.17 61.57
3622 NASDAQ ALGN Wed, Jun 24, 2015 63.00 63.17 60.93 61.12
3621 NASDAQ ALGN Tue, Jun 23, 2015 63.31 63.60 62.52 62.98
3620 NASDAQ ALGN Mon, Jun 22, 2015 63.71 63.71 62.80 63.31
3619 NASDAQ ALGN Fri, Jun 19, 2015 62.40 63.48 62.21 63.24
3618 NASDAQ ALGN Thu, Jun 18, 2015 62.29 63.48 62.00 62.15
3617 NASDAQ ALGN Wed, Jun 17, 2015 64.54 64.99 59.56 62.29
3616 NASDAQ ALGN Tue, Jun 16, 2015 63.04 64.31 62.75 64.29
3615 NASDAQ ALGN Mon, Jun 15, 2015 62.66 63.40 61.76 63.22
3614 NASDAQ ALGN Fri, Jun 12, 2015 62.83 63.37 62.39 63.02
3613 NASDAQ ALGN Thu, Jun 11, 2015 62.59 63.05 62.20 62.96
3612 NASDAQ ALGN Wed, Jun 10, 2015 61.92 62.65 61.04 62.52
3611 NASDAQ ALGN Tue, Jun 9, 2015 62.11 62.36 61.32 61.58
3610 NASDAQ ALGN Mon, Jun 8, 2015 63.05 63.23 61.73 61.99
3609 NASDAQ ALGN Fri, Jun 5, 2015 62.73 62.98 61.81 62.91
3608 NASDAQ ALGN Thu, Jun 4, 2015 63.11 63.36 62.39 62.79
3607 NASDAQ ALGN Wed, Jun 3, 2015 62.75 63.93 62.40 63.40
3606 NASDAQ ALGN Tue, Jun 2, 2015 61.39 62.41 61.10 62.37
3605 NASDAQ ALGN Mon, Jun 1, 2015 61.08 62.72 61.08 61.74
3604 NASDAQ ALGN Fri, May 29, 2015 61.34 61.42 60.42 60.67
3603 NASDAQ ALGN Thu, May 28, 2015 59.50 61.33 59.31 61.18
3602 NASDAQ ALGN Wed, May 27, 2015 59.21 59.78 58.90 59.70
3601 NASDAQ ALGN Tue, May 26, 2015 59.08 59.64 58.80 59.27
3600 NASDAQ ALGN Fri, May 22, 2015 59.20 59.96 58.78 59.29
3599 NASDAQ ALGN Thu, May 21, 2015 59.07 59.69 58.82 59.38
3598 NASDAQ ALGN Wed, May 20, 2015 59.35 59.79 59.06 59.22
3597 NASDAQ ALGN Tue, May 19, 2015 59.86 60.01 59.06 59.24
3596 NASDAQ ALGN Mon, May 18, 2015 59.25 60.00 59.06 59.86
3595 NASDAQ ALGN Fri, May 15, 2015 59.31 59.58 59.11 59.28
3594 NASDAQ ALGN Thu, May 14, 2015 59.02 59.69 58.55 59.31
3593 NASDAQ ALGN Wed, May 13, 2015 58.86 59.12 58.30 58.75
3592 NASDAQ ALGN Tue, May 12, 2015 59.13 59.13 57.89 58.64
3591 NASDAQ ALGN Mon, May 11, 2015 59.49 59.91 59.23 59.35
3590 NASDAQ ALGN Fri, May 8, 2015 59.42 60.40 59.23 59.71
3589 NASDAQ ALGN Thu, May 7, 2015 58.66 59.35 58.66 58.87
3588 NASDAQ ALGN Wed, May 6, 2015 59.48 59.58 58.64 58.91
3587 NASDAQ ALGN Tue, May 5, 2015 60.37 60.45 58.77 59.51
3586 NASDAQ ALGN Mon, May 4, 2015 59.34 60.61 59.11 60.35
3585 NASDAQ ALGN Fri, May 1, 2015 58.74 59.76 58.55 59.18
3584 NASDAQ ALGN Thu, Apr 30, 2015 59.60 60.13 58.76 58.84
3583 NASDAQ ALGN Wed, Apr 29, 2015 59.32 60.74 59.06 60.18
3582 NASDAQ ALGN Tue, Apr 28, 2015 58.44 59.56 57.72 59.45
3581 NASDAQ ALGN Mon, Apr 27, 2015 59.18 59.89 58.37 58.59
3580 NASDAQ ALGN Fri, Apr 24, 2015 60.93 61.24 58.88 59.18
3579 NASDAQ ALGN Thu, Apr 23, 2015 55.90 56.73 55.50 56.01
3578 NASDAQ ALGN Wed, Apr 22, 2015 56.18 56.26 55.41 55.94
3577 NASDAQ ALGN Tue, Apr 21, 2015 58.09 58.09 55.99 56.15
3576 NASDAQ ALGN Mon, Apr 20, 2015 53.57 54.27 53.37 54.21
3575 NASDAQ ALGN Fri, Apr 17, 2015 52.43 53.44 52.29 53.38
3574 NASDAQ ALGN Thu, Apr 16, 2015 52.90 53.26 52.29 52.77
3573 NASDAQ ALGN Wed, Apr 15, 2015 53.30 53.57 52.75 52.86
3572 NASDAQ ALGN Tue, Apr 14, 2015 53.86 54.34 53.01 53.15
3571 NASDAQ ALGN Mon, Apr 13, 2015 54.30 54.86 53.80 53.82
3570 NASDAQ ALGN Fri, Apr 10, 2015 53.00 54.68 52.95 54.29
3569 NASDAQ ALGN Thu, Apr 9, 2015 52.63 53.00 52.27 52.72
3568 NASDAQ ALGN Wed, Apr 8, 2015 52.71 53.16 51.65 52.72
3567 NASDAQ ALGN Tue, Apr 7, 2015 53.35 53.74 52.50 52.55
3566 NASDAQ ALGN Mon, Apr 6, 2015 52.62 53.41 52.26 53.07
3565 NASDAQ ALGN Thu, Apr 2, 2015 52.29 53.30 52.29 52.75
3564 NASDAQ ALGN Wed, Apr 1, 2015 53.67 53.87 52.28 52.45
3563 NASDAQ ALGN Tue, Mar 31, 2015 54.48 54.95 53.74 53.79
3562 NASDAQ ALGN Mon, Mar 30, 2015 54.40 55.02 53.98 54.60
3561 NASDAQ ALGN Fri, Mar 27, 2015 54.19 54.65 52.14 54.04
3560 NASDAQ ALGN Thu, Mar 26, 2015 54.40 54.92 53.15 54.58
3559 NASDAQ ALGN Wed, Mar 25, 2015 55.42 56.13 54.65 54.69
3558 NASDAQ ALGN Tue, Mar 24, 2015 56.44 56.61 55.36 55.48
3557 NASDAQ ALGN Mon, Mar 23, 2015 57.09 57.16 56.30 56.33
3556 NASDAQ ALGN Fri, Mar 20, 2015 58.52 58.52 56.78 57.18
3555 NASDAQ ALGN Thu, Mar 19, 2015 56.30 58.39 56.19 58.32
3554 NASDAQ ALGN Wed, Mar 18, 2015 56.12 56.71 55.71 56.38
3553 NASDAQ ALGN Tue, Mar 17, 2015 56.00 56.42 55.40 56.19
3552 NASDAQ ALGN Mon, Mar 16, 2015 56.11 56.68 55.91 56.34
3551 NASDAQ ALGN Fri, Mar 13, 2015 56.98 57.22 55.40 55.98
3550 NASDAQ ALGN Thu, Mar 12, 2015 57.00 57.21 56.34 56.99
3549 NASDAQ ALGN Wed, Mar 11, 2015 56.84 57.68 56.52 56.93
3548 NASDAQ ALGN Tue, Mar 10, 2015 56.44 57.42 56.35 56.86
3547 NASDAQ ALGN Mon, Mar 9, 2015 57.03 57.29 56.23 56.49
3546 NASDAQ ALGN Fri, Mar 6, 2015 57.77 58.16 56.76 57.09
3545 NASDAQ ALGN Thu, Mar 5, 2015 57.15 58.13 56.93 57.89
3544 NASDAQ ALGN Wed, Mar 4, 2015 57.00 57.32 56.60 57.15
3543 NASDAQ ALGN Tue, Mar 3, 2015 57.75 57.87 56.78 56.97
3542 NASDAQ ALGN Mon, Mar 2, 2015 57.96 58.15 57.16 57.76
3541 NASDAQ ALGN Fri, Feb 27, 2015 56.34 57.53 55.86 57.35
3540 NASDAQ ALGN Thu, Feb 26, 2015 55.72 56.64 55.63 56.43
3539 NASDAQ ALGN Wed, Feb 25, 2015 56.78 57.14 55.99 56.16
3538 NASDAQ ALGN Tue, Feb 24, 2015 56.55 56.82 56.18 56.56
3537 NASDAQ ALGN Mon, Feb 23, 2015 56.37 56.77 56.08 56.54
3536 NASDAQ ALGN Fri, Feb 20, 2015 56.85 57.25 56.40 56.81
3535 NASDAQ ALGN Thu, Feb 19, 2015 56.57 57.10 56.09 56.81
3534 NASDAQ ALGN Wed, Feb 18, 2015 57.65 57.67 55.85 56.54
3533 NASDAQ ALGN Tue, Feb 17, 2015 56.90 58.16 56.40 57.63
3532 NASDAQ ALGN Fri, Feb 13, 2015 57.05 57.32 56.72 56.90
3531 NASDAQ ALGN Thu, Feb 12, 2015 56.36 57.36 55.82 57.24
3530 NASDAQ ALGN Wed, Feb 11, 2015 55.70 56.15 55.26 55.80
3529 NASDAQ ALGN Tue, Feb 10, 2015 54.65 55.80 54.29 55.74
3528 NASDAQ ALGN Mon, Feb 9, 2015 54.23 55.08 54.01 55.02
3527 NASDAQ ALGN Fri, Feb 6, 2015 54.96 55.49 54.34 54.63
3526 NASDAQ ALGN Thu, Feb 5, 2015 54.64 55.30 54.25 55.00
3525 NASDAQ ALGN Wed, Feb 4, 2015 54.26 55.31 53.99 54.30
3524 NASDAQ ALGN Tue, Feb 3, 2015 55.22 55.98 54.05 54.68
3523 NASDAQ ALGN Mon, Feb 2, 2015 53.00 55.30 52.02 55.18
3522 NASDAQ ALGN Fri, Jan 30, 2015 52.79 55.15 51.77 53.05
3521 NASDAQ ALGN Thu, Jan 29, 2015 58.05 58.78 56.64 58.67
3520 NASDAQ ALGN Wed, Jan 28, 2015 59.42 60.17 58.46 58.57
3519 NASDAQ ALGN Tue, Jan 27, 2015 57.56 58.88 57.08 58.75
3518 NASDAQ ALGN Mon, Jan 26, 2015 57.47 58.34 56.66 58.20
3517 NASDAQ ALGN Fri, Jan 23, 2015 58.03 58.16 57.01 57.46
3516 NASDAQ ALGN Thu, Jan 22, 2015 56.13 58.11 55.96 58.01
3515 NASDAQ ALGN Wed, Jan 21, 2015 56.24 57.05 55.67 55.90
3514 NASDAQ ALGN Tue, Jan 20, 2015 57.09 57.22 55.45 56.24
3513 NASDAQ ALGN Fri, Jan 16, 2015 59.03 59.20 56.01 56.92
3512 NASDAQ ALGN Thu, Jan 15, 2015 61.39 61.94 59.50 59.63
3511 NASDAQ ALGN Wed, Jan 14, 2015 61.42 62.51 60.63 61.06
3510 NASDAQ ALGN Tue, Jan 13, 2015 63.59 64.75 62.00 62.65
3509 NASDAQ ALGN Mon, Jan 12, 2015 62.87 63.30 62.67 63.17
3508 NASDAQ ALGN Fri, Jan 9, 2015 61.67 62.82 61.50 62.58
3507 NASDAQ ALGN Thu, Jan 8, 2015 60.00 61.67 59.74 61.44
3506 NASDAQ ALGN Wed, Jan 7, 2015 57.97 59.75 57.45 59.57
3505 NASDAQ ALGN Tue, Jan 6, 2015 57.33 57.94 56.79 57.45
3504 NASDAQ ALGN Mon, Jan 5, 2015 55.89 57.52 55.64 56.99
3503 NASDAQ ALGN Fri, Jan 2, 2015 57.24 58.38 55.78 56.20
3502 NASDAQ ALGN Wed, Dec 31, 2014 56.42 57.36 55.85 55.91
3501 NASDAQ ALGN Tue, Dec 30, 2014 56.30 56.85 56.18 56.36
3500 NASDAQ ALGN Mon, Dec 29, 2014 56.57 57.04 56.29 56.33
3499 NASDAQ ALGN Fri, Dec 26, 2014 57.33 57.52 56.49 56.66
3498 NASDAQ ALGN Wed, Dec 24, 2014 57.00 57.64 56.89 57.01
3497 NASDAQ ALGN Tue, Dec 23, 2014 57.32 57.35 55.80 56.84
3496 NASDAQ ALGN Mon, Dec 22, 2014 56.74 57.33 56.21 56.88
3495 NASDAQ ALGN Fri, Dec 19, 2014 56.27 57.21 55.89 56.83
3494 NASDAQ ALGN Thu, Dec 18, 2014 56.44 56.64 55.55 56.10
3493 NASDAQ ALGN Wed, Dec 17, 2014 54.84 55.57 54.01 55.45
3492 NASDAQ ALGN Tue, Dec 16, 2014 55.69 56.13 54.87 55.08
3491 NASDAQ ALGN Mon, Dec 15, 2014 56.07 56.11 54.99 55.41
3490 NASDAQ ALGN Fri, Dec 12, 2014 55.90 56.75 55.58 55.73
3489 NASDAQ ALGN Thu, Dec 11, 2014 56.96 57.67 56.44 56.46
3488 NASDAQ ALGN Wed, Dec 10, 2014 57.52 57.70 56.51 56.57
3487 NASDAQ ALGN Tue, Dec 9, 2014 56.00 57.72 55.56 57.63
3486 NASDAQ ALGN Mon, Dec 8, 2014 56.60 57.35 56.60 56.84
3485 NASDAQ ALGN Fri, Dec 5, 2014 56.30 56.87 56.11 56.79
3484 NASDAQ ALGN Thu, Dec 4, 2014 56.39 56.74 56.00 56.33
3483 NASDAQ ALGN Wed, Dec 3, 2014 57.39 57.39 55.96 56.32
3482 NASDAQ ALGN Tue, Dec 2, 2014 56.00 57.13 55.76 57.00
3481 NASDAQ ALGN Mon, Dec 1, 2014 56.74 56.81 55.84 55.85
3480 NASDAQ ALGN Fri, Nov 28, 2014 57.34 57.58 56.76 56.90
3479 NASDAQ ALGN Wed, Nov 26, 2014 56.95 57.38 56.85 57.34
3478 NASDAQ ALGN Tue, Nov 25, 2014 57.54 57.71 56.58 57.30
3477 NASDAQ ALGN Mon, Nov 24, 2014 55.64 57.02 55.55 56.98
3476 NASDAQ ALGN Fri, Nov 21, 2014 55.66 56.01 55.18 55.66
3475 NASDAQ ALGN Thu, Nov 20, 2014 54.01 55.13 53.66 55.13
3474 NASDAQ ALGN Wed, Nov 19, 2014 54.58 54.58 53.89 54.42
3473 NASDAQ ALGN Tue, Nov 18, 2014 54.40 55.11 54.11 54.76
3472 NASDAQ ALGN Mon, Nov 17, 2014 54.37 54.91 54.07 54.25
3471 NASDAQ ALGN Fri, Nov 14, 2014 54.62 54.92 54.08 54.27
3470 NASDAQ ALGN Thu, Nov 13, 2014 54.81 54.95 54.27 54.50
3469 NASDAQ ALGN Wed, Nov 12, 2014 53.11 54.91 53.11 54.86
3468 NASDAQ ALGN Tue, Nov 11, 2014 52.28 53.60 52.01 53.57
3467 NASDAQ ALGN Mon, Nov 10, 2014 52.63 53.21 52.01 52.37
3466 NASDAQ ALGN Fri, Nov 7, 2014 52.77 52.80 52.14 52.39
3465 NASDAQ ALGN Thu, Nov 6, 2014 51.81 52.70 51.64 52.63
3464 NASDAQ ALGN Wed, Nov 5, 2014 52.57 52.98 51.71 51.84
3463 NASDAQ ALGN Tue, Nov 4, 2014 51.95 52.42 51.76 52.23
3462 NASDAQ ALGN Mon, Nov 3, 2014 52.77 53.05 51.79 51.81
3461 NASDAQ ALGN Fri, Oct 31, 2014 52.49 52.88 52.06 52.62
3460 NASDAQ ALGN Thu, Oct 30, 2014 51.90 52.31 51.27 51.95
3459 NASDAQ ALGN Wed, Oct 29, 2014 52.10 52.45 51.65 52.18
3458 NASDAQ ALGN Tue, Oct 28, 2014 51.32 52.83 50.94 52.21
3457 NASDAQ ALGN Mon, Oct 27, 2014 51.02 51.47 50.79 51.32
3456 NASDAQ ALGN Fri, Oct 24, 2014 51.92 53.23 50.56 51.50
3455 NASDAQ ALGN Thu, Oct 23, 2014 48.60 49.61 48.29 49.04
3454 NASDAQ ALGN Wed, Oct 22, 2014 48.98 49.02 47.94 47.98
3453 NASDAQ ALGN Tue, Oct 21, 2014 47.87 48.90 47.87 48.80
3452 NASDAQ ALGN Mon, Oct 20, 2014 48.32 48.48 46.82 47.59
3451 NASDAQ ALGN Fri, Oct 17, 2014 45.80 46.03 45.12 45.38
3450 NASDAQ ALGN Thu, Oct 16, 2014 44.12 45.43 44.03 45.16
3449 NASDAQ ALGN Wed, Oct 15, 2014 43.68 44.95 43.27 44.56
3448 NASDAQ ALGN Tue, Oct 14, 2014 45.21 45.87 44.16 44.37
3447 NASDAQ ALGN Mon, Oct 13, 2014 45.11 46.96 44.76 44.96
3446 NASDAQ ALGN Fri, Oct 10, 2014 46.56 47.02 45.19 45.22
3445 NASDAQ ALGN Thu, Oct 9, 2014 47.58 47.77 46.61 46.63
3444 NASDAQ ALGN Wed, Oct 8, 2014 46.92 47.87 46.50 47.79
3443 NASDAQ ALGN Tue, Oct 7, 2014 47.64 47.86 47.02 47.03
3442 NASDAQ ALGN Mon, Oct 6, 2014 48.76 48.93 47.83 47.86
3441 NASDAQ ALGN Fri, Oct 3, 2014 48.95 49.05 48.02 48.49
3440 NASDAQ ALGN Thu, Oct 2, 2014 49.94 50.11 47.61 48.80
3439 NASDAQ ALGN Wed, Oct 1, 2014 51.81 51.86 50.00 50.07
3438 NASDAQ ALGN Tue, Sep 30, 2014 53.23 53.51 51.66 51.68
3437 NASDAQ ALGN Mon, Sep 29, 2014 52.52 53.43 52.52 53.12
3436 NASDAQ ALGN Fri, Sep 26, 2014 52.97 53.42 52.46 53.19
3435 NASDAQ ALGN Thu, Sep 25, 2014 53.59 53.91 52.76 52.83
3434 NASDAQ ALGN Wed, Sep 24, 2014 53.04 53.87 52.70 53.80
3433 NASDAQ ALGN Tue, Sep 23, 2014 53.64 53.92 52.91 52.93
3432 NASDAQ ALGN Mon, Sep 22, 2014 54.60 54.97 53.88 53.94
3431 NASDAQ ALGN Fri, Sep 19, 2014 54.48 54.97 54.37 54.88
3430 NASDAQ ALGN Thu, Sep 18, 2014 54.09 54.77 53.79 54.37
3429 NASDAQ ALGN Wed, Sep 17, 2014 54.25 54.44 53.50 53.90
3428 NASDAQ ALGN Tue, Sep 16, 2014 53.70 54.27 53.04 54.17
3427 NASDAQ ALGN Mon, Sep 15, 2014 54.91 55.17 53.61 53.78
3426 NASDAQ ALGN Fri, Sep 12, 2014 55.33 55.71 54.76 54.90
3425 NASDAQ ALGN Thu, Sep 11, 2014 55.13 55.58 55.02 55.55
3424 NASDAQ ALGN Wed, Sep 10, 2014 54.82 55.54 54.82 55.32
3423 NASDAQ ALGN Tue, Sep 9, 2014 55.57 55.91 54.80 54.90
3422 NASDAQ ALGN Mon, Sep 8, 2014 55.31 55.62 55.01 55.58
3421 NASDAQ ALGN Fri, Sep 5, 2014 55.23 55.66 54.78 55.31
3420 NASDAQ ALGN Thu, Sep 4, 2014 55.50 55.81 54.92 55.31
3419 NASDAQ ALGN Wed, Sep 3, 2014 55.47 55.54 54.82 55.29
3418 NASDAQ ALGN Tue, Sep 2, 2014 54.46 55.56 54.19 55.53
3417 NASDAQ ALGN Fri, Aug 29, 2014 54.85 54.85 54.13 54.46
3416 NASDAQ ALGN Thu, Aug 28, 2014 55.22 55.22 54.72 54.79
3415 NASDAQ ALGN Wed, Aug 27, 2014 56.58 56.58 55.29 55.50
3414 NASDAQ ALGN Tue, Aug 26, 2014 55.49 56.89 55.01 56.61
3413 NASDAQ ALGN Mon, Aug 25, 2014 54.73 55.44 54.28 55.22
3412 NASDAQ ALGN Fri, Aug 22, 2014 54.33 54.66 53.50 54.29
3411 NASDAQ ALGN Thu, Aug 21, 2014 55.10 55.14 54.25 54.49
3410 NASDAQ ALGN Wed, Aug 20, 2014 54.82 55.35 54.68 55.09
3409 NASDAQ ALGN Tue, Aug 19, 2014 54.81 55.31 54.72 55.14
3408 NASDAQ ALGN Mon, Aug 18, 2014 54.90 55.02 54.59 54.95
3407 NASDAQ ALGN Fri, Aug 15, 2014 55.00 55.07 53.75 54.35
3406 NASDAQ ALGN Thu, Aug 14, 2014 54.66 54.97 54.21 54.71
3405 NASDAQ ALGN Wed, Aug 13, 2014 53.99 54.83 53.81 54.75
3404 NASDAQ ALGN Tue, Aug 12, 2014 53.99 54.38 53.42 53.76
3403 NASDAQ ALGN Mon, Aug 11, 2014 54.44 54.47 53.67 54.27
3402 NASDAQ ALGN Fri, Aug 8, 2014 53.73 54.28 53.10 54.11
3401 NASDAQ ALGN Thu, Aug 7, 2014 54.51 54.74 53.48 53.54
3400 NASDAQ ALGN Wed, Aug 6, 2014 53.83 55.08 53.72 54.26
3399 NASDAQ ALGN Tue, Aug 5, 2014 53.72 54.54 53.59 54.14
3398 NASDAQ ALGN Mon, Aug 4, 2014 53.50 54.00 53.20 53.96
3397 NASDAQ ALGN Fri, Aug 1, 2014 54.00 54.14 53.19 53.42
3396 NASDAQ ALGN Thu, Jul 31, 2014 55.11 55.54 54.21 54.21
3395 NASDAQ ALGN Wed, Jul 30, 2014 55.10 55.88 54.75 55.54
3394 NASDAQ ALGN Tue, Jul 29, 2014 54.66 55.09 54.03 54.72
3393 NASDAQ ALGN Mon, Jul 28, 2014 56.36 56.58 54.68 54.72
3392 NASDAQ ALGN Fri, Jul 25, 2014 55.77 56.91 55.00 56.36
3391 NASDAQ ALGN Thu, Jul 24, 2014 53.27 53.52 52.94 53.23
3390 NASDAQ ALGN Wed, Jul 23, 2014 52.79 53.24 52.51 53.12
3389 NASDAQ ALGN Tue, Jul 22, 2014 52.00 53.17 51.96 52.62
3388 NASDAQ ALGN Mon, Jul 21, 2014 52.15 52.37 51.29 51.62
3387 NASDAQ ALGN Fri, Jul 18, 2014 52.30 52.61 51.86 52.57
3386 NASDAQ ALGN Thu, Jul 17, 2014 53.60 54.13 52.17 52.26
3385 NASDAQ ALGN Wed, Jul 16, 2014 54.35 54.45 53.50 53.92
3384 NASDAQ ALGN Tue, Jul 15, 2014 54.27 54.44 53.06 53.91
3383 NASDAQ ALGN Mon, Jul 14, 2014 54.72 54.74 54.10 54.31
3382 NASDAQ ALGN Fri, Jul 11, 2014 54.57 54.80 53.46 54.09
3381 NASDAQ ALGN Thu, Jul 10, 2014 54.23 55.16 54.01 54.46
3380 NASDAQ ALGN Wed, Jul 9, 2014 55.20 55.63 54.85 55.06
3379 NASDAQ ALGN Tue, Jul 8, 2014 56.05 56.05 54.50 55.11
3378 NASDAQ ALGN Mon, Jul 7, 2014 56.97 57.23 55.99 56.12
3377 NASDAQ ALGN Thu, Jul 3, 2014 56.91 57.19 56.42 57.14
3376 NASDAQ ALGN Wed, Jul 2, 2014 57.36 57.79 56.57 56.79
3375 NASDAQ ALGN Tue, Jul 1, 2014 56.33 57.63 56.17 57.36
3374 NASDAQ ALGN Mon, Jun 30, 2014 56.40 56.75 55.76 56.04
3373 NASDAQ ALGN Fri, Jun 27, 2014 54.95 56.63 54.78 56.32
3372 NASDAQ ALGN Thu, Jun 26, 2014 55.18 55.18 54.08 55.13
3371 NASDAQ ALGN Wed, Jun 25, 2014 52.43 54.13 52.20 54.05
3370 NASDAQ ALGN Tue, Jun 24, 2014 52.15 53.11 52.15 52.74
3369 NASDAQ ALGN Mon, Jun 23, 2014 52.25 52.74 52.06 52.51
3368 NASDAQ ALGN Fri, Jun 20, 2014 52.52 52.65 52.08 52.39
3367 NASDAQ ALGN Thu, Jun 19, 2014 52.03 52.18 51.71 52.16
3366 NASDAQ ALGN Wed, Jun 18, 2014 51.01 51.92 50.80 51.83
3365 NASDAQ ALGN Tue, Jun 17, 2014 50.75 51.99 50.56 51.06
3364 NASDAQ ALGN Mon, Jun 16, 2014 50.69 51.19 50.37 50.95
3363 NASDAQ ALGN Fri, Jun 13, 2014 51.08 51.08 50.31 50.78
3362 NASDAQ ALGN Thu, Jun 12, 2014 51.65 51.86 50.67 50.81
3361 NASDAQ ALGN Wed, Jun 11, 2014 51.85 52.71 51.55 51.60
3360 NASDAQ ALGN Tue, Jun 10, 2014 53.13 53.47 52.07 52.47
3359 NASDAQ ALGN Mon, Jun 9, 2014 53.19 53.77 52.83 53.15
3358 NASDAQ ALGN Fri, Jun 6, 2014 53.88 53.88 52.94 53.37
3357 NASDAQ ALGN Thu, Jun 5, 2014 53.46 54.10 52.67 53.56
3356 NASDAQ ALGN Wed, Jun 4, 2014 53.64 53.64 52.89 53.37
3355 NASDAQ ALGN Tue, Jun 3, 2014 54.25 55.44 53.87 53.89
3354 NASDAQ ALGN Mon, Jun 2, 2014 54.75 55.24 54.23 55.01
3353 NASDAQ ALGN Fri, May 30, 2014 54.99 55.33 53.77 54.61
3352 NASDAQ ALGN Thu, May 29, 2014 53.60 55.42 52.85 55.12
3351 NASDAQ ALGN Wed, May 28, 2014 53.50 54.14 52.55 53.18
3350 NASDAQ ALGN Tue, May 27, 2014 54.72 54.99 53.55 53.69
3349 NASDAQ ALGN Fri, May 23, 2014 52.71 54.35 52.32 54.13
3348 NASDAQ ALGN Thu, May 22, 2014 52.55 53.25 51.99 52.72
3347 NASDAQ ALGN Wed, May 21, 2014 50.14 52.99 49.75 52.71
3346 NASDAQ ALGN Tue, May 20, 2014 50.63 50.63 49.52 50.04
3345 NASDAQ ALGN Mon, May 19, 2014 50.07 51.16 49.80 50.79
3344 NASDAQ ALGN Fri, May 16, 2014 49.73 50.36 49.07 50.35
3343 NASDAQ ALGN Thu, May 15, 2014 49.65 50.00 48.88 49.69
3342 NASDAQ ALGN Wed, May 14, 2014 50.71 51.16 49.93 50.09
3341 NASDAQ ALGN Tue, May 13, 2014 51.08 51.65 50.73 51.01
3340 NASDAQ ALGN Mon, May 12, 2014 49.71 51.52 49.22 51.30
3339 NASDAQ ALGN Fri, May 9, 2014 47.87 49.46 47.52 49.45
3338 NASDAQ ALGN Thu, May 8, 2014 48.18 49.53 47.22 48.04
3337 NASDAQ ALGN Wed, May 7, 2014 49.05 49.05 47.22 48.19
3336 NASDAQ ALGN Tue, May 6, 2014 49.99 50.95 48.91 49.03
3335 NASDAQ ALGN Mon, May 5, 2014 49.91 50.59 49.22 50.33
3334 NASDAQ ALGN Fri, May 2, 2014 51.15 51.59 50.35 50.43
3333 NASDAQ ALGN Thu, May 1, 2014 50.35 51.83 49.61 51.00
3332 NASDAQ ALGN Wed, Apr 30, 2014 49.81 50.77 49.48 50.39
3331 NASDAQ ALGN Tue, Apr 29, 2014 49.56 50.47 49.19 50.06
3330 NASDAQ ALGN Mon, Apr 28, 2014 50.00 50.75 48.13 49.17
3329 NASDAQ ALGN Fri, Apr 25, 2014 50.41 50.74 49.79 50.00
3328 NASDAQ ALGN Thu, Apr 24, 2014 52.25 52.80 48.56 50.80
3327 NASDAQ ALGN Wed, Apr 23, 2014 51.91 52.94 51.91 52.45
3326 NASDAQ ALGN Tue, Apr 22, 2014 52.11 53.38 51.78 52.06
3325 NASDAQ ALGN Mon, Apr 21, 2014 53.48 53.80 52.12 52.25
3324 NASDAQ ALGN Thu, Apr 17, 2014 51.43 53.61 50.81 53.40
3323 NASDAQ ALGN Wed, Apr 16, 2014 51.84 52.67 51.13 51.68
3322 NASDAQ ALGN Tue, Apr 15, 2014 49.46 51.12 49.01 51.05
3321 NASDAQ ALGN Mon, Apr 14, 2014 49.69 50.24 48.46 49.15
3320 NASDAQ ALGN Fri, Apr 11, 2014 50.03 50.44 48.75 49.39
3319 NASDAQ ALGN Thu, Apr 10, 2014 53.97 54.15 50.39 50.61
3318 NASDAQ ALGN Wed, Apr 9, 2014 52.47 54.25 52.26 54.16
3317 NASDAQ ALGN Tue, Apr 8, 2014 52.97 53.72 52.04 52.35
3316 NASDAQ ALGN Mon, Apr 7, 2014 55.40 55.59 52.50 52.94
3315 NASDAQ ALGN Fri, Apr 4, 2014 57.06 57.50 53.97 54.81
3314 NASDAQ ALGN Thu, Apr 3, 2014 54.18 54.30 52.72 53.59
3313 NASDAQ ALGN Wed, Apr 2, 2014 53.66 54.75 52.18 54.24
3312 NASDAQ ALGN Tue, Apr 1, 2014 51.88 53.73 51.46 53.59
3311 NASDAQ ALGN Mon, Mar 31, 2014 51.23 52.08 50.37 51.79
3310 NASDAQ ALGN Fri, Mar 28, 2014 51.57 52.22 50.61 50.73
3309 NASDAQ ALGN Thu, Mar 27, 2014 52.12 53.66 50.90 51.43
3308 NASDAQ ALGN Wed, Mar 26, 2014 53.39 54.05 52.03 52.07
3307 NASDAQ ALGN Tue, Mar 25, 2014 53.16 54.30 52.35 52.91
3306 NASDAQ ALGN Mon, Mar 24, 2014 53.79 54.00 52.07 52.75
3305 NASDAQ ALGN Fri, Mar 21, 2014 54.84 54.97 52.96 53.92
3304 NASDAQ ALGN Thu, Mar 20, 2014 54.08 54.79 53.39 54.72
3303 NASDAQ ALGN Wed, Mar 19, 2014 55.13 55.31 53.61 54.16
3302 NASDAQ ALGN Tue, Mar 18, 2014 53.58 55.04 53.51 54.78
3301 NASDAQ ALGN Mon, Mar 17, 2014 53.00 53.78 52.89 53.45
3300 NASDAQ ALGN Fri, Mar 14, 2014 52.25 53.12 51.77 52.74
3299 NASDAQ ALGN Thu, Mar 13, 2014 54.67 54.74 51.77 52.38
3298 NASDAQ ALGN Wed, Mar 12, 2014 53.69 54.62 53.09 54.32
3297 NASDAQ ALGN Tue, Mar 11, 2014 55.62 55.90 54.02 54.28
3296 NASDAQ ALGN Mon, Mar 10, 2014 55.25 55.96 54.88 55.60
3295 NASDAQ ALGN Fri, Mar 7, 2014 55.31 55.32 53.91 55.28
3294 NASDAQ ALGN Thu, Mar 6, 2014 54.28 55.23 54.27 54.75
3293 NASDAQ ALGN Wed, Mar 5, 2014 55.16 55.64 53.99 54.07
3292 NASDAQ ALGN Tue, Mar 4, 2014 53.04 55.58 52.94 55.13
3291 NASDAQ ALGN Mon, Mar 3, 2014 53.29 53.29 51.76 52.30
3290 NASDAQ ALGN Fri, Feb 28, 2014 53.02 53.49 51.73 52.33
3289 NASDAQ ALGN Thu, Feb 27, 2014 52.74 53.40 52.74 52.93
3288 NASDAQ ALGN Wed, Feb 26, 2014 53.61 54.15 52.79 53.15
3287 NASDAQ ALGN Tue, Feb 25, 2014 54.10 54.35 53.25 53.46
3286 NASDAQ ALGN Mon, Feb 24, 2014 53.87 54.58 53.14 54.31
3285 NASDAQ ALGN Fri, Feb 21, 2014 54.00 54.09 52.90 52.98
3284 NASDAQ ALGN Thu, Feb 20, 2014 53.65 54.04 52.09 53.52
3283 NASDAQ ALGN Wed, Feb 19, 2014 54.70 55.13 53.56 53.80
3282 NASDAQ ALGN Tue, Feb 18, 2014 54.49 55.66 54.49 55.32
3281 NASDAQ ALGN Fri, Feb 14, 2014 54.60 55.21 54.35 54.58
3280 NASDAQ ALGN Thu, Feb 13, 2014 54.38 55.17 54.05 54.66
3279 NASDAQ ALGN Wed, Feb 12, 2014 55.10 55.64 54.60 54.91
3278 NASDAQ ALGN Tue, Feb 11, 2014 55.50 56.10 54.71 55.19
3277 NASDAQ ALGN Mon, Feb 10, 2014 55.10 55.59 54.57 54.99
3276 NASDAQ ALGN Fri, Feb 7, 2014 54.36 55.07 54.13 55.01
3275 NASDAQ ALGN Thu, Feb 6, 2014 54.99 55.64 53.89 54.01
3274 NASDAQ ALGN Wed, Feb 5, 2014 54.74 55.51 54.04 54.67
3273 NASDAQ ALGN Tue, Feb 4, 2014 55.02 55.49 54.11 55.23
3272 NASDAQ ALGN Mon, Feb 3, 2014 59.08 59.72 54.47 54.96
3271 NASDAQ ALGN Fri, Jan 31, 2014 57.28 59.74 55.75 59.42
3270 NASDAQ ALGN Thu, Jan 30, 2014 58.74 59.81 58.16 58.49
3269 NASDAQ ALGN Wed, Jan 29, 2014 57.18 58.14 56.14 57.74
3268 NASDAQ ALGN Tue, Jan 28, 2014 55.65 57.75 55.54 57.47
3267 NASDAQ ALGN Mon, Jan 27, 2014 58.87 58.88 53.76 55.43
3266 NASDAQ ALGN Fri, Jan 24, 2014 62.85 63.10 58.13 58.88
3265 NASDAQ ALGN Thu, Jan 23, 2014 63.12 63.42 62.21 63.40
3264 NASDAQ ALGN Wed, Jan 22, 2014 62.41 63.58 61.97 63.20
3263 NASDAQ ALGN Tue, Jan 21, 2014 65.00 65.10 62.28 62.67
3262 NASDAQ ALGN Fri, Jan 17, 2014 63.50 64.93 62.96 63.95
3261 NASDAQ ALGN Thu, Jan 16, 2014 62.02 63.48 61.78 62.12
3260 NASDAQ ALGN Wed, Jan 15, 2014 60.64 62.43 60.59 62.23
3259 NASDAQ ALGN Tue, Jan 14, 2014 58.67 60.42 57.03 60.40
3258 NASDAQ ALGN Mon, Jan 13, 2014 61.18 61.19 58.17 58.69
3257 NASDAQ ALGN Fri, Jan 10, 2014 60.43 61.44 59.87 60.71
3256 NASDAQ ALGN Thu, Jan 9, 2014 60.72 61.08 59.45 60.34
3255 NASDAQ ALGN Wed, Jan 8, 2014 61.41 61.75 60.51 60.73
3254 NASDAQ ALGN Tue, Jan 7, 2014 60.67 62.44 60.50 61.36
3253 NASDAQ ALGN Mon, Jan 6, 2014 57.65 61.09 57.50 59.90
3252 NASDAQ ALGN Fri, Jan 3, 2014 57.02 57.53 56.62 57.17
3251 NASDAQ ALGN Thu, Jan 2, 2014 57.06 57.37 56.43 56.96
3250 NASDAQ ALGN Tue, Dec 31, 2013 56.99 57.50 56.70 57.14
3249 NASDAQ ALGN Mon, Dec 30, 2013 58.08 58.37 56.80 57.05
3248 NASDAQ ALGN Fri, Dec 27, 2013 57.99 57.99 56.71 57.20
3247 NASDAQ ALGN Thu, Dec 26, 2013 58.34 58.50 57.42 57.77
3246 NASDAQ ALGN Tue, Dec 24, 2013 58.25 58.25 57.39 57.96
3245 NASDAQ ALGN Mon, Dec 23, 2013 57.21 58.09 57.07 58.04
3244 NASDAQ ALGN Fri, Dec 20, 2013 56.68 57.21 56.26 57.03
3243 NASDAQ ALGN Thu, Dec 19, 2013 57.22 57.52 56.07 56.47
3242 NASDAQ ALGN Wed, Dec 18, 2013 56.14 57.21 55.75 57.16
3241 NASDAQ ALGN Tue, Dec 17, 2013 55.70 56.24 55.11 56.00
3240 NASDAQ ALGN Mon, Dec 16, 2013 54.59 55.61 54.45 55.58
3239 NASDAQ ALGN Fri, Dec 13, 2013 54.37 54.85 54.02 54.20
3238 NASDAQ ALGN Thu, Dec 12, 2013 53.48 54.43 52.74 54.12
3237 NASDAQ ALGN Wed, Dec 11, 2013 55.13 55.38 53.50 53.68
3236 NASDAQ ALGN Tue, Dec 10, 2013 55.51 55.70 54.74 54.87
3235 NASDAQ ALGN Mon, Dec 9, 2013 55.74 56.17 55.13 55.75
3234 NASDAQ ALGN Fri, Dec 6, 2013 54.91 55.79 54.16 55.46
3233 NASDAQ ALGN Thu, Dec 5, 2013 54.54 54.57 53.83 54.53
3232 NASDAQ ALGN Wed, Dec 4, 2013 54.75 55.25 53.94 54.65
3231 NASDAQ ALGN Tue, Dec 3, 2013 54.89 55.39 54.64 55.17
3230 NASDAQ ALGN Mon, Dec 2, 2013 54.80 55.50 54.05 55.11
3229 NASDAQ ALGN Fri, Nov 29, 2013 54.89 55.33 54.42 54.64
3228 NASDAQ ALGN Wed, Nov 27, 2013 53.88 54.92 53.63 54.76
3227 NASDAQ ALGN Tue, Nov 26, 2013 53.67 54.13 53.10 53.93
3226 NASDAQ ALGN Mon, Nov 25, 2013 54.20 54.88 52.87 53.58
3225 NASDAQ ALGN Fri, Nov 22, 2013 54.01 54.83 53.80 54.15
3224 NASDAQ ALGN Thu, Nov 21, 2013 52.78 53.93 52.68 53.89
3223 NASDAQ ALGN Wed, Nov 20, 2013 52.78 53.17 52.45 52.69
3222 NASDAQ ALGN Tue, Nov 19, 2013 53.87 53.98 51.82 52.44
3221 NASDAQ ALGN Mon, Nov 18, 2013 55.82 55.99 53.64 54.00
3220 NASDAQ ALGN Fri, Nov 15, 2013 54.91 55.53 54.90 55.41
3219 NASDAQ ALGN Thu, Nov 14, 2013 55.63 55.95 54.05 54.68
3218 NASDAQ ALGN Wed, Nov 13, 2013 58.00 58.89 57.66 58.38
3217 NASDAQ ALGN Tue, Nov 12, 2013 58.52 58.70 57.81 58.50
3216 NASDAQ ALGN Mon, Nov 11, 2013 58.41 59.80 57.77 58.59
3215 NASDAQ ALGN Fri, Nov 8, 2013 56.71 58.44 56.70 58.24
3214 NASDAQ ALGN Thu, Nov 7, 2013 57.22 57.91 56.45 56.63
3213 NASDAQ ALGN Wed, Nov 6, 2013 57.19 57.75 56.31 57.09
3212 NASDAQ ALGN Tue, Nov 5, 2013 57.78 58.28 56.20 56.65
3211 NASDAQ ALGN Mon, Nov 4, 2013 57.17 58.95 56.93 58.03
3210 NASDAQ ALGN Fri, Nov 1, 2013 56.96 57.36 56.24 56.75
3209 NASDAQ ALGN Thu, Oct 31, 2013 56.97 57.59 56.31 57.06
3208 NASDAQ ALGN Wed, Oct 30, 2013 57.45 57.71 56.27 56.78
3207 NASDAQ ALGN Tue, Oct 29, 2013 56.29 57.27 56.26 57.24
3206 NASDAQ ALGN Mon, Oct 28, 2013 56.14 56.57 55.91 56.05
3205 NASDAQ ALGN Fri, Oct 25, 2013 56.79 56.79 55.80 56.00
3204 NASDAQ ALGN Thu, Oct 24, 2013 57.43 57.50 56.39 56.57
3203 NASDAQ ALGN Wed, Oct 23, 2013 56.97 57.90 56.10 57.51
3202 NASDAQ ALGN Tue, Oct 22, 2013 58.20 58.51 56.58 56.67
3201 NASDAQ ALGN Mon, Oct 21, 2013 58.50 59.43 57.93 58.25
3200 NASDAQ ALGN Fri, Oct 18, 2013 53.20 60.00 53.15 57.98
3199 NASDAQ ALGN Thu, Oct 17, 2013 43.58 46.34 43.01 45.93
3198 NASDAQ ALGN Wed, Oct 16, 2013 43.48 43.74 43.07 43.72
3197 NASDAQ ALGN Tue, Oct 15, 2013 43.47 43.61 42.85 43.01
3196 NASDAQ ALGN Mon, Oct 14, 2013 43.32 43.79 43.08 43.46
3195 NASDAQ ALGN Fri, Oct 11, 2013 42.27 43.51 42.18 43.35
3194 NASDAQ ALGN Thu, Oct 10, 2013 44.15 44.67 41.83 42.52
3193 NASDAQ ALGN Wed, Oct 9, 2013 44.24 44.37 43.50 44.02
3192 NASDAQ ALGN Tue, Oct 8, 2013 44.89 45.38 43.99 44.03
3191 NASDAQ ALGN Mon, Oct 7, 2013 45.44 46.13 44.96 45.02
3190 NASDAQ ALGN Fri, Oct 4, 2013 46.76 47.02 45.60 45.80
3189 NASDAQ ALGN Thu, Oct 3, 2013 48.85 49.21 47.33 47.87
3188 NASDAQ ALGN Wed, Oct 2, 2013 49.23 49.23 48.58 48.87
3187 NASDAQ ALGN Tue, Oct 1, 2013 48.00 49.26 47.81 49.26
3186 NASDAQ ALGN Mon, Sep 30, 2013 47.34 48.44 47.05 48.10
3185 NASDAQ ALGN Fri, Sep 27, 2013 47.63 48.01 47.30 47.78
3184 NASDAQ ALGN Thu, Sep 26, 2013 47.52 48.09 47.13 48.08
3183 NASDAQ ALGN Wed, Sep 25, 2013 47.47 47.96 47.14 47.42
3182 NASDAQ ALGN Tue, Sep 24, 2013 47.37 48.07 47.13 47.48
3181 NASDAQ ALGN Mon, Sep 23, 2013 47.45 47.70 47.20 47.45
3180 NASDAQ ALGN Fri, Sep 20, 2013 47.72 48.08 47.24 47.59
3179 NASDAQ ALGN Thu, Sep 19, 2013 48.29 49.08 47.64 47.67
3178 NASDAQ ALGN Wed, Sep 18, 2013 48.06 48.51 46.79 48.25
3177 NASDAQ ALGN Tue, Sep 17, 2013 46.52 48.13 46.41 47.96
3176 NASDAQ ALGN Mon, Sep 16, 2013 47.35 47.58 46.22 46.25
3175 NASDAQ ALGN Fri, Sep 13, 2013 47.37 47.59 46.23 46.81
3174 NASDAQ ALGN Thu, Sep 12, 2013 47.38 47.43 46.94 47.12
3173 NASDAQ ALGN Wed, Sep 11, 2013 47.01 47.63 46.59 47.51
3172 NASDAQ ALGN Tue, Sep 10, 2013 47.00 47.05 46.17 47.03
3171 NASDAQ ALGN Mon, Sep 9, 2013 45.03 46.84 44.98 46.71
3170 NASDAQ ALGN Fri, Sep 6, 2013 45.14 45.49 44.01 44.85
3169 NASDAQ ALGN Thu, Sep 5, 2013 44.64 45.19 44.34 44.83
3168 NASDAQ ALGN Wed, Sep 4, 2013 44.37 44.72 44.00 44.72
3167 NASDAQ ALGN Tue, Sep 3, 2013 44.33 44.89 43.67 44.37
3166 NASDAQ ALGN Fri, Aug 30, 2013 43.66 44.15 43.37 43.55
3165 NASDAQ ALGN Thu, Aug 29, 2013 43.00 44.13 43.00 43.79
3164 NASDAQ ALGN Wed, Aug 28, 2013 43.52 43.88 43.02 43.13
3163 NASDAQ ALGN Tue, Aug 27, 2013 43.73 44.27 43.50 43.62
3162 NASDAQ ALGN Mon, Aug 26, 2013 44.47 45.00 44.00 44.45
3161 NASDAQ ALGN Fri, Aug 23, 2013 44.37 44.56 43.93 44.51
3160 NASDAQ ALGN Thu, Aug 22, 2013 43.70 44.37 43.60 44.36
3159 NASDAQ ALGN Wed, Aug 21, 2013 43.42 44.06 43.17 43.55
3158 NASDAQ ALGN Tue, Aug 20, 2013 43.05 43.64 42.84 43.61
3157 NASDAQ ALGN Mon, Aug 19, 2013 42.57 43.34 42.34 42.86
3156 NASDAQ ALGN Fri, Aug 16, 2013 42.93 43.48 42.56 42.96
3155 NASDAQ ALGN Thu, Aug 15, 2013 43.79 43.79 43.00 43.16
3154 NASDAQ ALGN Wed, Aug 14, 2013 44.69 44.87 44.22 44.38
3153 NASDAQ ALGN Tue, Aug 13, 2013 44.32 44.90 44.02 44.77
3152 NASDAQ ALGN Mon, Aug 12, 2013 43.59 44.64 43.45 44.44
3151 NASDAQ ALGN Fri, Aug 9, 2013 43.95 44.12 43.50 43.90
3150 NASDAQ ALGN Thu, Aug 8, 2013 44.11 44.35 43.76 44.08
3149 NASDAQ ALGN Wed, Aug 7, 2013 44.27 44.43 43.63 43.83
3148 NASDAQ ALGN Tue, Aug 6, 2013 44.13 44.85 44.12 44.27
3147 NASDAQ ALGN Mon, Aug 5, 2013 43.50 44.48 43.46 44.42
3146 NASDAQ ALGN Fri, Aug 2, 2013 43.49 44.48 43.44 43.61
3145 NASDAQ ALGN Thu, Aug 1, 2013 43.23 44.04 42.81 43.99
3144 NASDAQ ALGN Wed, Jul 31, 2013 42.54 43.37 42.35 43.04
3143 NASDAQ ALGN Tue, Jul 30, 2013 42.64 42.88 42.05 42.45
3142 NASDAQ ALGN Mon, Jul 29, 2013 42.70 42.87 42.19 42.34
3141 NASDAQ ALGN Fri, Jul 26, 2013 43.47 43.80 42.39 42.75
3140 NASDAQ ALGN Thu, Jul 25, 2013 43.35 43.88 43.17 43.88
3139 NASDAQ ALGN Wed, Jul 24, 2013 44.00 44.15 43.31 43.43
3138 NASDAQ ALGN Tue, Jul 23, 2013 43.67 44.31 43.27 44.00
3137 NASDAQ ALGN Mon, Jul 22, 2013 43.06 44.25 42.39 44.00
3136 NASDAQ ALGN Fri, Jul 19, 2013 43.79 44.43 41.25 42.95
3135 NASDAQ ALGN Thu, Jul 18, 2013 39.15 40.50 38.55 39.65
3134 NASDAQ ALGN Wed, Jul 17, 2013 38.40 38.98 38.13 38.92
3133 NASDAQ ALGN Tue, Jul 16, 2013 38.64 38.79 37.97 38.19
3132 NASDAQ ALGN Mon, Jul 15, 2013 39.11 39.30 38.69 38.70
3131 NASDAQ ALGN Fri, Jul 12, 2013 39.22 39.68 38.99 39.20
3130 NASDAQ ALGN Thu, Jul 11, 2013 39.79 39.81 39.03 39.40
3129 NASDAQ ALGN Wed, Jul 10, 2013 39.06 39.61 38.24 39.19
3128 NASDAQ ALGN Tue, Jul 9, 2013 38.58 38.99 38.01 38.88
3127 NASDAQ ALGN Mon, Jul 8, 2013 38.50 38.74 38.08 38.42
3126 NASDAQ ALGN Fri, Jul 5, 2013 38.36 38.39 37.83 38.39
3125 NASDAQ ALGN Wed, Jul 3, 2013 37.02 38.00 36.92 37.78
3124 NASDAQ ALGN Tue, Jul 2, 2013 37.99 38.19 37.04 37.30
3123 NASDAQ ALGN Mon, Jul 1, 2013 37.01 38.50 37.01 37.79
3122 NASDAQ ALGN Fri, Jun 28, 2013 36.71 37.38 36.14 37.04
3121 NASDAQ ALGN Thu, Jun 27, 2013 36.01 36.96 35.74 36.69
3120 NASDAQ ALGN Wed, Jun 26, 2013 35.65 36.18 35.10 35.78
3119 NASDAQ ALGN Tue, Jun 25, 2013 36.14 36.24 34.92 35.41
3118 NASDAQ ALGN Mon, Jun 24, 2013 35.29 36.22 34.88 35.77
3117 NASDAQ ALGN Fri, Jun 21, 2013 35.57 36.04 35.17 35.84
3116 NASDAQ ALGN Thu, Jun 20, 2013 35.51 36.40 35.23 35.48
3115 NASDAQ ALGN Wed, Jun 19, 2013 36.10 36.58 35.94 36.10
3114 NASDAQ ALGN Tue, Jun 18, 2013 35.88 36.38 35.67 36.25
3113 NASDAQ ALGN Mon, Jun 17, 2013 35.49 36.17 35.49 35.87
3112 NASDAQ ALGN Fri, Jun 14, 2013 34.87 35.26 34.08 35.02
3111 NASDAQ ALGN Thu, Jun 13, 2013 34.28 34.68 33.84 34.67
3110 NASDAQ ALGN Wed, Jun 12, 2013 35.13 35.13 34.11 34.22
3109 NASDAQ ALGN Tue, Jun 11, 2013 34.83 35.66 34.35 34.77
3108 NASDAQ ALGN Mon, Jun 10, 2013 35.52 35.66 35.13 35.29
3107 NASDAQ ALGN Fri, Jun 7, 2013 35.54 35.78 35.09 35.45
3106 NASDAQ ALGN Thu, Jun 6, 2013 35.37 35.41 34.71 35.19
3105 NASDAQ ALGN Wed, Jun 5, 2013 35.75 36.39 35.21 35.38
3104 NASDAQ ALGN Tue, Jun 4, 2013 37.15 37.35 35.68 35.88
3103 NASDAQ ALGN Mon, Jun 3, 2013 36.03 37.16 35.76 36.85
3102 NASDAQ ALGN Fri, May 31, 2013 36.03 36.49 35.74 35.75
3101 NASDAQ ALGN Thu, May 30, 2013 36.05 36.65 35.71 36.18
3100 NASDAQ ALGN Wed, May 29, 2013 36.09 36.33 35.63 35.97
3099 NASDAQ ALGN Tue, May 28, 2013 36.27 37.15 35.94 36.45
3098 NASDAQ ALGN Fri, May 24, 2013 36.62 36.99 36.15 36.70
3097 NASDAQ ALGN Thu, May 23, 2013 36.82 37.20 36.29 36.98
3096 NASDAQ ALGN Wed, May 22, 2013 38.15 38.74 37.17 37.30
3095 NASDAQ ALGN Tue, May 21, 2013 37.68 38.51 37.17 38.16
3094 NASDAQ ALGN Mon, May 20, 2013 37.42 38.06 37.38 37.80
3093 NASDAQ ALGN Fri, May 17, 2013 36.96 37.88 36.96 37.59
3092 NASDAQ ALGN Thu, May 16, 2013 36.05 37.33 35.81 36.85
3091 NASDAQ ALGN Wed, May 15, 2013 36.28 36.41 36.01 36.22
3090 NASDAQ ALGN Tue, May 14, 2013 37.02 37.43 36.20 36.28
3089 NASDAQ ALGN Mon, May 13, 2013 36.61 37.64 36.49 37.07
3088 NASDAQ ALGN Fri, May 10, 2013 35.85 37.05 35.85 36.87
3087 NASDAQ ALGN Thu, May 9, 2013 35.85 36.25 35.60 35.68
3086 NASDAQ ALGN Wed, May 8, 2013 35.62 35.94 35.32 35.91
3085 NASDAQ ALGN Tue, May 7, 2013 34.70 35.68 34.37 35.63
3084 NASDAQ ALGN Mon, May 6, 2013 32.58 35.65 32.15 34.42
3083 NASDAQ ALGN Fri, May 3, 2013 32.74 33.08 32.47 32.60
3082 NASDAQ ALGN Thu, May 2, 2013 32.76 33.22 32.34 32.40
3081 NASDAQ ALGN Wed, May 1, 2013 32.88 33.11 32.38 32.65
3080 NASDAQ ALGN Tue, Apr 30, 2013 33.00 33.39 32.70 33.12
3079 NASDAQ ALGN Mon, Apr 29, 2013 32.38 32.96 32.23 32.93
3078 NASDAQ ALGN Fri, Apr 26, 2013 32.20 32.68 32.10 32.34
3077 NASDAQ ALGN Thu, Apr 25, 2013 32.11 32.63 32.11 32.25
3076 NASDAQ ALGN Wed, Apr 24, 2013 31.87 32.49 31.41 32.04
3075 NASDAQ ALGN Tue, Apr 23, 2013 31.91 32.34 31.46 31.99
3074 NASDAQ ALGN Mon, Apr 22, 2013 31.54 32.19 30.89 32.00
3073 NASDAQ ALGN Fri, Apr 19, 2013 29.56 32.08 29.53 31.50
3072 NASDAQ ALGN Thu, Apr 18, 2013 30.90 30.95 29.72 30.13
3071 NASDAQ ALGN Wed, Apr 17, 2013 31.45 31.92 30.10 30.78
3070 NASDAQ ALGN Tue, Apr 16, 2013 31.53 32.04 31.18 31.80
3069 NASDAQ ALGN Mon, Apr 15, 2013 32.44 32.71 31.17 31.20
3068 NASDAQ ALGN Fri, Apr 12, 2013 32.74 32.97 32.18 32.76
3067 NASDAQ ALGN Thu, Apr 11, 2013 32.50 33.00 32.42 32.86
3066 NASDAQ ALGN Wed, Apr 10, 2013 31.98 32.67 31.97 32.63
3065 NASDAQ ALGN Tue, Apr 9, 2013 31.75 32.16 31.50 31.88
3064 NASDAQ ALGN Mon, Apr 8, 2013 31.19 31.75 31.05 31.68
3063 NASDAQ ALGN Fri, Apr 5, 2013 30.90 31.21 30.54 31.04
3062 NASDAQ ALGN Thu, Apr 4, 2013 30.94 31.51 30.45 31.50
3061 NASDAQ ALGN Wed, Apr 3, 2013 31.83 32.23 30.09 30.95
3060 NASDAQ ALGN Tue, Apr 2, 2013 32.73 32.92 31.78 31.85
3059 NASDAQ ALGN Mon, Apr 1, 2013 33.40 33.84 32.24 32.44
3058 NASDAQ ALGN Thu, Mar 28, 2013 33.42 33.65 32.96 33.51
3057 NASDAQ ALGN Wed, Mar 27, 2013 33.40 33.70 33.29 33.32
3056 NASDAQ ALGN Tue, Mar 26, 2013 33.00 33.70 32.90 33.60
3055 NASDAQ ALGN Mon, Mar 25, 2013 32.69 33.25 32.65 32.87
3054 NASDAQ ALGN Fri, Mar 22, 2013 32.17 32.70 32.03 32.63
3053 NASDAQ ALGN Thu, Mar 21, 2013 32.26 32.59 31.72 32.03
3052 NASDAQ ALGN Wed, Mar 20, 2013 32.42 32.75 32.29 32.60
3051 NASDAQ ALGN Tue, Mar 19, 2013 32.38 32.85 31.84 32.29
3050 NASDAQ ALGN Mon, Mar 18, 2013 32.51 33.00 32.22 32.37
3049 NASDAQ ALGN Fri, Mar 15, 2013 33.35 33.50 32.46 33.04
3048 NASDAQ ALGN Thu, Mar 14, 2013 33.03 33.35 32.69 33.29
3047 NASDAQ ALGN Wed, Mar 13, 2013 32.91 32.99 32.49 32.88
3046 NASDAQ ALGN Tue, Mar 12, 2013 33.44 33.67 32.81 32.96
3045 NASDAQ ALGN Mon, Mar 11, 2013 33.10 33.60 32.90 33.53
3044 NASDAQ ALGN Fri, Mar 8, 2013 32.99 33.30 32.44 33.29
3043 NASDAQ ALGN Thu, Mar 7, 2013 32.42 32.75 32.24 32.72
3042 NASDAQ ALGN Wed, Mar 6, 2013 31.91 32.47 31.91 32.44
3041 NASDAQ ALGN Tue, Mar 5, 2013 31.14 32.09 31.14 31.80
3040 NASDAQ ALGN Mon, Mar 4, 2013 31.12 31.16 30.67 30.99
3039 NASDAQ ALGN Fri, Mar 1, 2013 31.18 31.64 30.70 31.13
3038 NASDAQ ALGN Thu, Feb 28, 2013 31.35 31.66 31.24 31.44
3037 NASDAQ ALGN Wed, Feb 27, 2013 31.06 31.85 31.06 31.47
3036 NASDAQ ALGN Tue, Feb 26, 2013 31.31 31.43 30.97 31.05
3035 NASDAQ ALGN Mon, Feb 25, 2013 31.98 32.33 31.13 31.20
3034 NASDAQ ALGN Fri, Feb 22, 2013 31.49 32.05 31.02 31.88
3033 NASDAQ ALGN Thu, Feb 21, 2013 31.06 31.43 30.95 31.41
3032 NASDAQ ALGN Wed, Feb 20, 2013 32.38 32.92 31.71 31.73
3031 NASDAQ ALGN Tue, Feb 19, 2013 32.51 32.67 32.25 32.60
3030 NASDAQ ALGN Fri, Feb 15, 2013 32.84 32.84 32.45 32.73
3029 NASDAQ ALGN Thu, Feb 14, 2013 32.76 32.91 32.50 32.56
3028 NASDAQ ALGN Wed, Feb 13, 2013 32.96 33.15 32.49 32.75
3027 NASDAQ ALGN Tue, Feb 12, 2013 33.07 33.16 32.77 33.02
3026 NASDAQ ALGN Mon, Feb 11, 2013 32.56 33.07 32.50 33.03
3025 NASDAQ ALGN Fri, Feb 8, 2013 32.40 33.04 32.19 32.73
3024 NASDAQ ALGN Thu, Feb 7, 2013 32.18 32.41 31.83 32.24
3023 NASDAQ ALGN Wed, Feb 6, 2013 32.11 32.46 31.63 32.25
3022 NASDAQ ALGN Tue, Feb 5, 2013 32.15 32.50 32.03 32.31
3021 NASDAQ ALGN Mon, Feb 4, 2013 31.26 32.51 31.16 32.12
3020 NASDAQ ALGN Fri, Feb 1, 2013 31.44 32.08 31.09 31.90
3019 NASDAQ ALGN Thu, Jan 31, 2013 32.62 32.80 30.73 31.36
3018 NASDAQ ALGN Wed, Jan 30, 2013 29.21 30.04 28.27 29.27
3017 NASDAQ ALGN Tue, Jan 29, 2013 28.63 28.77 28.24 28.77
3016 NASDAQ ALGN Mon, Jan 28, 2013 28.55 29.07 28.50 28.58
3015 NASDAQ ALGN Fri, Jan 25, 2013 27.89 28.61 27.58 28.59
3014 NASDAQ ALGN Thu, Jan 24, 2013 27.06 27.91 27.06 27.82
3013 NASDAQ ALGN Wed, Jan 23, 2013 27.47 27.52 26.81 27.09
3012 NASDAQ ALGN Tue, Jan 22, 2013 26.62 27.44 26.55 27.42
3011 NASDAQ ALGN Fri, Jan 18, 2013 26.54 27.20 26.28 26.64
3010 NASDAQ ALGN Thu, Jan 17, 2013 26.11 26.86 26.06 26.48
3009 NASDAQ ALGN Wed, Jan 16, 2013 26.31 26.40 25.68 26.00
3008 NASDAQ ALGN Tue, Jan 15, 2013 26.69 26.69 26.15 26.34
3007 NASDAQ ALGN Mon, Jan 14, 2013 25.84 26.78 25.61 26.64
3006 NASDAQ ALGN Fri, Jan 11, 2013 26.50 26.55 25.68 25.87
3005 NASDAQ ALGN Thu, Jan 10, 2013 27.39 27.48 26.65 26.89
3004 NASDAQ ALGN Wed, Jan 9, 2013 28.42 28.47 27.23 27.30
3003 NASDAQ ALGN Tue, Jan 8, 2013 29.00 29.01 28.06 28.25
3002 NASDAQ ALGN Mon, Jan 7, 2013 29.25 29.31 28.59 28.94
3001 NASDAQ ALGN Fri, Jan 4, 2013 29.38 29.51 29.02 29.31
3000 NASDAQ ALGN Thu, Jan 3, 2013 29.04 29.25 28.60 29.17
2999 NASDAQ ALGN Wed, Jan 2, 2013 28.57 28.70 28.00 28.40
2998 NASDAQ ALGN Mon, Dec 31, 2012 27.00 27.77 26.92 27.75
2997 NASDAQ ALGN Fri, Dec 28, 2012 27.26 27.37 26.89 27.07
2996 NASDAQ ALGN Thu, Dec 27, 2012 27.49 27.61 26.85 27.50
2995 NASDAQ ALGN Wed, Dec 26, 2012 28.01 28.22 27.36 27.39
2994 NASDAQ ALGN Mon, Dec 24, 2012 28.43 28.57 27.88 28.00
2993 NASDAQ ALGN Fri, Dec 21, 2012 28.00 28.55 27.77 28.40
2992 NASDAQ ALGN Thu, Dec 20, 2012 27.74 28.28 27.58 28.18
2991 NASDAQ ALGN Wed, Dec 19, 2012 27.20 27.76 27.00 27.63
2990 NASDAQ ALGN Tue, Dec 18, 2012 26.53 27.18 26.45 27.18
2989 NASDAQ ALGN Mon, Dec 17, 2012 26.34 26.57 26.21 26.53
2988 NASDAQ ALGN Fri, Dec 14, 2012 26.26 26.59 26.25 26.36
2987 NASDAQ ALGN Thu, Dec 13, 2012 26.70 26.99 26.25 26.38
2986 NASDAQ ALGN Wed, Dec 12, 2012 26.91 27.24 26.69 26.74
2985 NASDAQ ALGN Tue, Dec 11, 2012 26.10 26.96 25.78 26.79
2984 NASDAQ ALGN Mon, Dec 10, 2012 25.49 26.25 25.41 26.20
2983 NASDAQ ALGN Fri, Dec 7, 2012 25.75 25.96 25.25 25.51
2982 NASDAQ ALGN Thu, Dec 6, 2012 24.60 25.72 23.45 25.64
2981 NASDAQ ALGN Wed, Dec 5, 2012 26.66 26.76 26.07 26.14
2980 NASDAQ ALGN Tue, Dec 4, 2012 27.02 27.05 26.46 26.53
2979 NASDAQ ALGN Mon, Dec 3, 2012 27.57 27.63 26.89 27.06
2978 NASDAQ ALGN Fri, Nov 30, 2012 27.43 27.59 27.03 27.39
2977 NASDAQ ALGN Thu, Nov 29, 2012 26.90 27.54 26.89 27.47
2976 NASDAQ ALGN Wed, Nov 28, 2012 26.69 26.90 26.51 26.80
2975 NASDAQ ALGN Tue, Nov 27, 2012 26.99 27.26 26.85 26.90
2974 NASDAQ ALGN Mon, Nov 26, 2012 27.40 27.49 26.84 26.99
2973 NASDAQ ALGN Fri, Nov 23, 2012 26.98 27.44 26.93 27.41
2972 NASDAQ ALGN Wed, Nov 21, 2012 26.73 27.11 26.60 26.87
2971 NASDAQ ALGN Tue, Nov 20, 2012 26.31 26.75 26.12 26.72
2970 NASDAQ ALGN Mon, Nov 19, 2012 26.44 26.77 26.27 26.71
2969 NASDAQ ALGN Fri, Nov 16, 2012 25.40 26.15 25.12 26.12
2968 NASDAQ ALGN Thu, Nov 15, 2012 25.75 25.90 24.77 25.39
2967 NASDAQ ALGN Wed, Nov 14, 2012 26.42 26.51 25.65 25.65
2966 NASDAQ ALGN Tue, Nov 13, 2012 26.39 26.82 26.14 26.42
2965 NASDAQ ALGN Mon, Nov 12, 2012 26.08 26.84 25.87 26.51
2964 NASDAQ ALGN Fri, Nov 9, 2012 26.01 26.24 25.62 25.88
2963 NASDAQ ALGN Thu, Nov 8, 2012 25.92 26.39 25.70 26.23
2962 NASDAQ ALGN Wed, Nov 7, 2012 25.84 25.87 25.06 25.69
2961 NASDAQ ALGN Tue, Nov 6, 2012 26.41 26.68 25.87 26.03
2960 NASDAQ ALGN Mon, Nov 5, 2012 26.32 26.33 25.64 26.21
2959 NASDAQ ALGN Fri, Nov 2, 2012 26.54 26.73 25.97 25.98
2958 NASDAQ ALGN Thu, Nov 1, 2012 26.55 26.83 26.27 26.42
2957 NASDAQ ALGN Wed, Oct 31, 2012 26.41 26.64 26.10 26.57
2956 NASDAQ ALGN Fri, Oct 26, 2012 26.53 26.77 25.94 26.09
2955 NASDAQ ALGN Thu, Oct 25, 2012 27.01 27.37 26.31 26.49
2954 NASDAQ ALGN Wed, Oct 24, 2012 27.01 27.56 26.78 26.88
2953 NASDAQ ALGN Tue, Oct 23, 2012 27.07 27.42 26.76 26.92
2952 NASDAQ ALGN Mon, Oct 22, 2012 27.42 28.15 27.37 27.59
2951 NASDAQ ALGN Fri, Oct 19, 2012 27.77 28.97 27.40 27.68
2950 NASDAQ ALGN Thu, Oct 18, 2012 27.63 28.38 25.33 28.18
2949 NASDAQ ALGN Wed, Oct 17, 2012 38.27 38.43 34.55 35.41
2948 NASDAQ ALGN Tue, Oct 16, 2012 37.05 38.31 36.93 38.27
2947 NASDAQ ALGN Mon, Oct 15, 2012 36.68 37.05 36.59 36.87
2946 NASDAQ ALGN Fri, Oct 12, 2012 37.04 37.33 36.55 36.56
2945 NASDAQ ALGN Thu, Oct 11, 2012 37.06 37.15 36.10 36.90
2944 NASDAQ ALGN Wed, Oct 10, 2012 37.00 37.41 36.33 36.57
2943 NASDAQ ALGN Tue, Oct 9, 2012 38.23 38.26 36.63 37.03
2942 NASDAQ ALGN Mon, Oct 8, 2012 38.00 38.37 37.60 38.09
2941 NASDAQ ALGN Fri, Oct 5, 2012 39.11 39.39 38.02 38.14
2940 NASDAQ ALGN Thu, Oct 4, 2012 38.44 38.90 38.07 38.90
2939 NASDAQ ALGN Wed, Oct 3, 2012 37.38 38.33 37.38 38.12
2938 NASDAQ ALGN Tue, Oct 2, 2012 38.33 38.50 37.83 38.16
2937 NASDAQ ALGN Mon, Oct 1, 2012 37.17 38.46 37.15 38.00
2936 NASDAQ ALGN Fri, Sep 28, 2012 37.28 37.41 36.78 36.97
2935 NASDAQ ALGN Thu, Sep 27, 2012 36.97 37.60 36.62 37.57
2934 NASDAQ ALGN Wed, Sep 26, 2012 37.22 37.41 36.29 36.73
2933 NASDAQ ALGN Tue, Sep 25, 2012 37.66 38.23 37.12 37.23
2932 NASDAQ ALGN Mon, Sep 24, 2012 37.64 37.74 37.13 37.33
2931 NASDAQ ALGN Fri, Sep 21, 2012 37.02 37.85 36.68 37.83
2930 NASDAQ ALGN Thu, Sep 20, 2012 36.85 36.85 36.02 36.52
2929 NASDAQ ALGN Wed, Sep 19, 2012 37.68 37.68 36.99 37.03
2928 NASDAQ ALGN Tue, Sep 18, 2012 37.40 37.58 37.02 37.46
2927 NASDAQ ALGN Mon, Sep 17, 2012 37.42 37.91 36.33 37.55
2926 NASDAQ ALGN Fri, Sep 14, 2012 39.18 39.50 37.81 38.22
2925 NASDAQ ALGN Thu, Sep 13, 2012 38.61 39.82 38.10 39.17
2924 NASDAQ ALGN Wed, Sep 12, 2012 38.33 38.74 38.08 38.51
2923 NASDAQ ALGN Tue, Sep 11, 2012 37.81 38.74 37.56 38.10
2922 NASDAQ ALGN Mon, Sep 10, 2012 37.92 37.97 37.27 37.48
2921 NASDAQ ALGN Fri, Sep 7, 2012 37.74 38.24 37.36 37.92
2920 NASDAQ ALGN Thu, Sep 6, 2012 35.95 37.72 35.78 37.37
2919 NASDAQ ALGN Wed, Sep 5, 2012 34.97 35.84 34.97 35.64
2918 NASDAQ ALGN Tue, Sep 4, 2012 33.92 35.40 33.71 35.18
2917 NASDAQ ALGN Fri, Aug 31, 2012 33.89 34.50 33.82 33.95
2916 NASDAQ ALGN Thu, Aug 30, 2012 33.66 34.06 33.42 33.83
2915 NASDAQ ALGN Wed, Aug 29, 2012 33.60 34.05 33.19 33.99
2914 NASDAQ ALGN Tue, Aug 28, 2012 32.75 33.85 32.60 33.60
2913 NASDAQ ALGN Mon, Aug 27, 2012 32.93 33.16 32.42 32.82
2912 NASDAQ ALGN Fri, Aug 24, 2012 32.22 33.30 32.17 32.89
2911 NASDAQ ALGN Thu, Aug 23, 2012 33.65 33.89 32.13 32.40
2910 NASDAQ ALGN Wed, Aug 22, 2012 34.10 34.17 33.56 33.78
2909 NASDAQ ALGN Tue, Aug 21, 2012 34.01 34.53 33.85 34.07
2908 NASDAQ ALGN Mon, Aug 20, 2012 34.73 35.05 33.54 33.97
2907 NASDAQ ALGN Fri, Aug 17, 2012 34.26 34.68 34.00 34.67
2906 NASDAQ ALGN Thu, Aug 16, 2012 34.30 34.48 33.73 34.31
2905 NASDAQ ALGN Wed, Aug 15, 2012 34.08 34.34 33.81 34.25
2904 NASDAQ ALGN Tue, Aug 14, 2012 34.29 34.85 34.07 34.27
2903 NASDAQ ALGN Mon, Aug 13, 2012 34.50 34.52 33.52 34.04
2902 NASDAQ ALGN Fri, Aug 10, 2012 34.57 34.60 34.21 34.44
2901 NASDAQ ALGN Thu, Aug 9, 2012 34.59 34.91 34.32 34.72
2900 NASDAQ ALGN Wed, Aug 8, 2012 34.95 35.20 34.41 34.59
2899 NASDAQ ALGN Tue, Aug 7, 2012 34.38 35.77 34.38 35.29
2898 NASDAQ ALGN Mon, Aug 6, 2012 35.10 35.16 34.23 34.26
2897 NASDAQ ALGN Fri, Aug 3, 2012 34.25 34.85 34.18 34.30
2896 NASDAQ ALGN Thu, Aug 2, 2012 33.73 33.86 33.13 33.56
2895 NASDAQ ALGN Wed, Aug 1, 2012 34.08 34.50 33.43 33.57
2894 NASDAQ ALGN Tue, Jul 31, 2012 34.44 35.05 33.94 33.96
2893 NASDAQ ALGN Mon, Jul 30, 2012 36.06 36.10 34.14 34.34
2892 NASDAQ ALGN Fri, Jul 27, 2012 35.03 36.04 35.03 35.82
2891 NASDAQ ALGN Thu, Jul 26, 2012 34.79 35.40 34.54 35.00
2890 NASDAQ ALGN Wed, Jul 25, 2012 33.13 34.41 33.13 34.26
2889 NASDAQ ALGN Tue, Jul 24, 2012 33.51 33.85 32.86 33.16
2888 NASDAQ ALGN Mon, Jul 23, 2012 33.35 33.77 33.04 33.65
2887 NASDAQ ALGN Fri, Jul 20, 2012 31.21 34.30 31.00 34.18
2886 NASDAQ ALGN Thu, Jul 19, 2012 31.10 32.00 30.79 31.70
2885 NASDAQ ALGN Wed, Jul 18, 2012 30.76 31.28 30.12 30.86
2884 NASDAQ ALGN Tue, Jul 17, 2012 31.20 31.38 30.12 30.89
2883 NASDAQ ALGN Mon, Jul 16, 2012 31.47 31.47 30.02 30.98
2882 NASDAQ ALGN Fri, Jul 13, 2012 31.84 31.86 31.45 31.66
2881 NASDAQ ALGN Thu, Jul 12, 2012 32.23 32.41 31.22 31.58
2880 NASDAQ ALGN Wed, Jul 11, 2012 33.52 33.60 32.44 32.77
2879 NASDAQ ALGN Tue, Jul 10, 2012 34.90 35.47 33.36 33.59
2878 NASDAQ ALGN Mon, Jul 9, 2012 34.19 34.81 34.12 34.64
2877 NASDAQ ALGN Fri, Jul 6, 2012 34.75 34.81 34.00 34.20
2876 NASDAQ ALGN Thu, Jul 5, 2012 35.00 35.55 34.61 34.94
2875 NASDAQ ALGN Tue, Jul 3, 2012 35.53 35.56 34.80 35.04
2874 NASDAQ ALGN Mon, Jul 2, 2012 34.25 35.42 33.68 35.22
2873 NASDAQ ALGN Fri, Jun 29, 2012 32.75 33.46 32.29 33.46
2872 NASDAQ ALGN Thu, Jun 28, 2012 32.00 32.53 31.37 31.90
2871 NASDAQ ALGN Wed, Jun 27, 2012 32.64 33.11 32.23 32.41
2870 NASDAQ ALGN Tue, Jun 26, 2012 31.91 32.63 31.50 32.39
2869 NASDAQ ALGN Mon, Jun 25, 2012 32.38 32.57 31.29 31.93
2868 NASDAQ ALGN Fri, Jun 22, 2012 32.98 33.09 31.17 32.80
2867 NASDAQ ALGN Thu, Jun 21, 2012 34.27 34.51 32.60 32.81
2866 NASDAQ ALGN Wed, Jun 20, 2012 34.87 34.91 33.70 34.39
2865 NASDAQ ALGN Tue, Jun 19, 2012 33.87 35.15 33.82 34.73
2864 NASDAQ ALGN Mon, Jun 18, 2012 31.76 35.10 31.72 33.25
2863 NASDAQ ALGN Fri, Jun 15, 2012 31.05 31.81 30.96 31.74
2862 NASDAQ ALGN Thu, Jun 14, 2012 31.10 31.63 30.60 31.17
2861 NASDAQ ALGN Wed, Jun 13, 2012 30.47 31.50 30.23 31.10
2860 NASDAQ ALGN Tue, Jun 12, 2012 30.48 30.79 29.87 30.51
2859 NASDAQ ALGN Mon, Jun 11, 2012 31.40 31.40 30.19 30.21
2858 NASDAQ ALGN Fri, Jun 8, 2012 30.16 31.02 29.87 30.86
2857 NASDAQ ALGN Thu, Jun 7, 2012 31.82 31.88 30.27 30.32
2856 NASDAQ ALGN Wed, Jun 6, 2012 30.54 31.25 30.43 31.22
2855 NASDAQ ALGN Tue, Jun 5, 2012 28.84 30.19 28.84 30.10
2854 NASDAQ ALGN Mon, Jun 4, 2012 29.72 29.95 28.62 28.87
2853 NASDAQ ALGN Fri, Jun 1, 2012 30.42 30.50 29.36 29.57
2852 NASDAQ ALGN Thu, May 31, 2012 31.46 31.58 30.61 31.23
2851 NASDAQ ALGN Wed, May 30, 2012 31.91 32.03 31.28 31.40
2850 NASDAQ ALGN Tue, May 29, 2012 32.10 32.90 32.01 32.26
2849 NASDAQ ALGN Fri, May 25, 2012 31.43 31.88 31.19 31.85
2848 NASDAQ ALGN Thu, May 24, 2012 31.46 32.08 30.95 31.51
2847 NASDAQ ALGN Wed, May 23, 2012 30.62 31.43 30.13 31.23
2846 NASDAQ ALGN Tue, May 22, 2012 31.46 32.17 31.01 31.21
2845 NASDAQ ALGN Mon, May 21, 2012 29.96 31.27 29.83 31.21
2844 NASDAQ ALGN Fri, May 18, 2012 30.33 30.39 28.86 29.72
2843 NASDAQ ALGN Thu, May 17, 2012 30.98 31.15 30.23 30.32
2842 NASDAQ ALGN Wed, May 16, 2012 31.25 31.40 30.78 30.89
2841 NASDAQ ALGN Tue, May 15, 2012 30.76 31.46 30.25 31.25
2840 NASDAQ ALGN Mon, May 14, 2012 30.63 30.84 30.26 30.59
2839 NASDAQ ALGN Fri, May 11, 2012 30.87 31.38 30.60 30.80
2838 NASDAQ ALGN Thu, May 10, 2012 31.65 31.65 30.64 31.13
2837 NASDAQ ALGN Wed, May 9, 2012 31.06 31.60 30.71 31.44
2836 NASDAQ ALGN Tue, May 8, 2012 31.27 31.54 30.77 31.46
2835 NASDAQ ALGN Mon, May 7, 2012 31.22 31.76 31.14 31.60
2834 NASDAQ ALGN Fri, May 4, 2012 32.10 32.10 31.17 31.48
2833 NASDAQ ALGN Thu, May 3, 2012 32.41 32.50 32.02 32.31
2832 NASDAQ ALGN Wed, May 2, 2012 31.73 32.46 31.36 32.43
2831 NASDAQ ALGN Tue, May 1, 2012 31.58 32.55 31.52 32.10
2830 NASDAQ ALGN Mon, Apr 30, 2012 31.91 32.09 31.52 31.71
2829 NASDAQ ALGN Fri, Apr 27, 2012 31.25 32.29 31.25 31.96
2828 NASDAQ ALGN Thu, Apr 26, 2012 31.49 31.81 31.24 31.45
2827 NASDAQ ALGN Wed, Apr 25, 2012 31.91 32.14 31.58 31.83
2826 NASDAQ ALGN Tue, Apr 24, 2012 32.86 34.29 31.01 31.76
2825 NASDAQ ALGN Mon, Apr 23, 2012 27.50 27.52 26.85 27.44
2824 NASDAQ ALGN Fri, Apr 20, 2012 28.53 28.53 27.78 27.94
2823 NASDAQ ALGN Thu, Apr 19, 2012 28.40 28.67 27.68 28.11
2822 NASDAQ ALGN Wed, Apr 18, 2012 27.63 28.32 27.32 28.30
2821 NASDAQ ALGN Tue, Apr 17, 2012 27.17 28.01 27.12 27.85
2820 NASDAQ ALGN Mon, Apr 16, 2012 26.77 27.00 26.26 26.81
2819 NASDAQ ALGN Fri, Apr 13, 2012 27.02 27.02 26.51 26.73
2818 NASDAQ ALGN Thu, Apr 12, 2012 26.81 27.49 26.81 27.27
2817 NASDAQ ALGN Wed, Apr 11, 2012 26.69 26.77 26.30 26.75
2816 NASDAQ ALGN Tue, Apr 10, 2012 27.24 27.37 26.06 26.33
2815 NASDAQ ALGN Mon, Apr 9, 2012 27.29 27.58 27.12 27.25
2814 NASDAQ ALGN Thu, Apr 5, 2012 27.47 27.88 27.41 27.74
2813 NASDAQ ALGN Wed, Apr 4, 2012 28.24 28.65 27.50 27.68
2812 NASDAQ ALGN Tue, Apr 3, 2012 28.69 29.65 28.41 28.67
2811 NASDAQ ALGN Mon, Apr 2, 2012 27.40 28.72 27.31 28.70
2810 NASDAQ ALGN Fri, Mar 30, 2012 27.59 27.96 27.45 27.55
2809 NASDAQ ALGN Thu, Mar 29, 2012 27.66 27.88 27.19 27.25
2808 NASDAQ ALGN Wed, Mar 28, 2012 28.17 28.69 27.52 27.91
2807 NASDAQ ALGN Tue, Mar 27, 2012 28.37 28.50 27.94 28.13
2806 NASDAQ ALGN Mon, Mar 26, 2012 27.06 28.50 27.06 28.24
2805 NASDAQ ALGN Fri, Mar 23, 2012 26.13 26.82 25.89 26.80
2804 NASDAQ ALGN Thu, Mar 22, 2012 26.57 26.71 25.98 26.13
2803 NASDAQ ALGN Wed, Mar 21, 2012 26.48 27.09 26.30 26.79
2802 NASDAQ ALGN Tue, Mar 20, 2012 26.49 26.60 26.26 26.40
2801 NASDAQ ALGN Mon, Mar 19, 2012 27.00 27.09 26.64 26.74
2800 NASDAQ ALGN Fri, Mar 16, 2012 27.25 27.25 26.85 27.07
2799 NASDAQ ALGN Thu, Mar 15, 2012 26.80 27.19 26.65 27.19
2798 NASDAQ ALGN Wed, Mar 14, 2012 27.00 27.25 26.75 26.85
2797 NASDAQ ALGN Tue, Mar 13, 2012 26.29 27.14 26.09 27.09
2796 NASDAQ ALGN Mon, Mar 12, 2012 26.69 26.69 25.77 26.04
2795 NASDAQ ALGN Fri, Mar 9, 2012 26.48 27.00 26.37 26.60
2794 NASDAQ ALGN Thu, Mar 8, 2012 26.05 26.63 25.76 26.50
2793 NASDAQ ALGN Wed, Mar 7, 2012 25.45 25.80 25.43 25.77
2792 NASDAQ ALGN Tue, Mar 6, 2012 25.68 26.22 25.08 25.35
2791 NASDAQ ALGN Mon, Mar 5, 2012 26.06 26.14 25.74 25.89
2790 NASDAQ ALGN Fri, Mar 2, 2012 26.19 26.48 25.94 25.99
2789 NASDAQ ALGN Thu, Mar 1, 2012 25.94 26.34 25.40 26.18
2788 NASDAQ ALGN Wed, Feb 29, 2012 26.74 26.92 25.35 25.61
2787 NASDAQ ALGN Tue, Feb 28, 2012 27.25 27.45 26.34 26.74
2786 NASDAQ ALGN Mon, Feb 27, 2012 26.47 27.19 26.22 27.12
2785 NASDAQ ALGN Fri, Feb 24, 2012 26.51 26.80 26.38 26.62
2784 NASDAQ ALGN Thu, Feb 23, 2012 26.53 26.87 26.39 26.50
2783 NASDAQ ALGN Wed, Feb 22, 2012 25.70 26.72 25.70 26.53
2782 NASDAQ ALGN Tue, Feb 21, 2012 27.49 27.75 26.51 26.83
2781 NASDAQ ALGN Fri, Feb 17, 2012 27.01 27.24 26.88 27.22
2780 NASDAQ ALGN Thu, Feb 16, 2012 26.52 27.10 26.31 27.07
2779 NASDAQ ALGN Wed, Feb 15, 2012 26.53 26.59 26.10 26.36
2778 NASDAQ ALGN Tue, Feb 14, 2012 26.20 26.47 26.06 26.47
2777 NASDAQ ALGN Mon, Feb 13, 2012 26.43 26.64 26.20 26.43
2776 NASDAQ ALGN Fri, Feb 10, 2012 25.70 26.16 25.17 26.02
2775 NASDAQ ALGN Thu, Feb 9, 2012 27.00 27.09 26.00 26.06
2774 NASDAQ ALGN Wed, Feb 8, 2012 25.95 27.12 25.51 27.08
2773 NASDAQ ALGN Tue, Feb 7, 2012 25.88 26.07 25.63 25.92
2772 NASDAQ ALGN Mon, Feb 6, 2012 25.12 25.92 25.08 25.86
2771 NASDAQ ALGN Fri, Feb 3, 2012 25.09 25.66 24.87 25.43
2770 NASDAQ ALGN Thu, Feb 2, 2012 24.28 24.87 24.01 24.75
2769 NASDAQ ALGN Wed, Feb 1, 2012 23.58 24.43 23.40 24.38
2768 NASDAQ ALGN Tue, Jan 31, 2012 24.08 24.89 23.42 23.56
2767 NASDAQ ALGN Mon, Jan 30, 2012 25.48 25.75 25.14 25.38
2766 NASDAQ ALGN Fri, Jan 27, 2012 24.78 25.75 24.54 25.55
2765 NASDAQ ALGN Thu, Jan 26, 2012 25.06 25.21 24.77 24.95
2764 NASDAQ ALGN Wed, Jan 25, 2012 24.94 24.96 24.53 24.80
2763 NASDAQ ALGN Tue, Jan 24, 2012 24.93 25.30 24.39 24.91
2762 NASDAQ ALGN Mon, Jan 23, 2012 25.14 25.46 24.87 25.00
2761 NASDAQ ALGN Fri, Jan 20, 2012 25.21 25.30 25.01 25.20
2760 NASDAQ ALGN Thu, Jan 19, 2012 24.72 25.33 24.66 25.24
2759 NASDAQ ALGN Wed, Jan 18, 2012 24.91 25.12 24.51 24.79
2758 NASDAQ ALGN Tue, Jan 17, 2012 24.25 25.38 24.17 24.91
2757 NASDAQ ALGN Fri, Jan 13, 2012 24.32 24.62 23.83 24.08
2756 NASDAQ ALGN Thu, Jan 12, 2012 24.07 24.76 23.90 24.71
2755 NASDAQ ALGN Wed, Jan 11, 2012 23.22 24.05 23.22 23.95
2754 NASDAQ ALGN Tue, Jan 10, 2012 23.08 23.48 22.70 23.33
2753 NASDAQ ALGN Mon, Jan 9, 2012 23.58 23.58 22.39 22.67
2752 NASDAQ ALGN Fri, Jan 6, 2012 24.12 24.20 23.64 23.71
2751 NASDAQ ALGN Thu, Jan 5, 2012 24.28 24.61 23.79 24.19
2750 NASDAQ ALGN Wed, Jan 4, 2012 23.92 24.58 23.80 24.41
2749 NASDAQ ALGN Tue, Jan 3, 2012 24.24 24.66 23.88 23.95
2748 NASDAQ ALGN Fri, Dec 30, 2011 24.02 24.06 23.50 23.73
2747 NASDAQ ALGN Thu, Dec 29, 2011 23.80 24.18 23.63 24.02
2746 NASDAQ ALGN Wed, Dec 28, 2011 24.81 24.87 23.63 23.73
2745 NASDAQ ALGN Tue, Dec 27, 2011 24.50 24.99 24.50 24.87
2744 NASDAQ ALGN Fri, Dec 23, 2011 24.85 24.98 24.31 24.54
2743 NASDAQ ALGN Thu, Dec 22, 2011 24.62 25.12 24.45 24.72
2742 NASDAQ ALGN Wed, Dec 21, 2011 24.79 24.99 24.30 24.60
2741 NASDAQ ALGN Tue, Dec 20, 2011 24.30 25.00 23.65 24.96
2740 NASDAQ ALGN Mon, Dec 19, 2011 24.00 24.41 23.68 23.80
2739 NASDAQ ALGN Fri, Dec 16, 2011 23.94 24.48 23.81 23.95
2738 NASDAQ ALGN Thu, Dec 15, 2011 23.53 23.78 23.15 23.63
2737 NASDAQ ALGN Wed, Dec 14, 2011 23.68 23.77 23.13 23.18
2736 NASDAQ ALGN Tue, Dec 13, 2011 24.76 24.93 23.57 23.85
2735 NASDAQ ALGN Mon, Dec 12, 2011 25.01 25.01 24.19 24.64
2734 NASDAQ ALGN Fri, Dec 9, 2011 24.47 25.58 24.18 25.41
2733 NASDAQ ALGN Thu, Dec 8, 2011 24.91 25.10 24.41 24.45
2732 NASDAQ ALGN Wed, Dec 7, 2011 24.70 25.11 24.28 25.05
2731 NASDAQ ALGN Tue, Dec 6, 2011 24.43 25.01 24.07 24.85
2730 NASDAQ ALGN Mon, Dec 5, 2011 24.77 24.98 24.18 24.48
2729 NASDAQ ALGN Fri, Dec 2, 2011 24.73 25.01 24.27 24.37
2728 NASDAQ ALGN Thu, Dec 1, 2011 24.37 24.82 24.24 24.50
2727 NASDAQ ALGN Wed, Nov 30, 2011 23.33 24.99 22.95 24.50
2726 NASDAQ ALGN Tue, Nov 29, 2011 22.84 23.05 22.59 22.81
2725 NASDAQ ALGN Mon, Nov 28, 2011 22.00 22.95 21.83 22.88
2724 NASDAQ ALGN Fri, Nov 25, 2011 21.48 21.78 21.20 21.23
2723 NASDAQ ALGN Wed, Nov 23, 2011 22.09 22.29 21.43 21.55
2722 NASDAQ ALGN Tue, Nov 22, 2011 22.38 22.80 22.18 22.26
2721 NASDAQ ALGN Mon, Nov 21, 2011 22.06 22.49 21.76 22.44
2720 NASDAQ ALGN Fri, Nov 18, 2011 22.35 22.80 22.20 22.43
2719 NASDAQ ALGN Thu, Nov 17, 2011 22.26 23.03 21.88 22.25
2718 NASDAQ ALGN Wed, Nov 16, 2011 22.85 23.18 22.27 22.31
2717 NASDAQ ALGN Tue, Nov 15, 2011 22.88 23.29 22.57 23.10
2716 NASDAQ ALGN Mon, Nov 14, 2011 22.78 23.46 22.41 23.12
2715 NASDAQ ALGN Fri, Nov 11, 2011 22.29 23.11 22.05 23.03
2714 NASDAQ ALGN Thu, Nov 10, 2011 22.33 22.48 21.71 22.04
2713 NASDAQ ALGN Wed, Nov 9, 2011 22.10 22.55 21.70 21.94
2712 NASDAQ ALGN Tue, Nov 8, 2011 23.00 23.19 22.35 22.88
2711 NASDAQ ALGN Mon, Nov 7, 2011 22.55 23.00 22.42 22.98
2710 NASDAQ ALGN Fri, Nov 4, 2011 22.00 22.67 22.00 22.57
2709 NASDAQ ALGN Thu, Nov 3, 2011 22.06 22.47 21.53 22.34
2708 NASDAQ ALGN Wed, Nov 2, 2011 21.92 22.21 21.65 22.00
2707 NASDAQ ALGN Tue, Nov 1, 2011 21.88 22.50 21.52 21.72
2706 NASDAQ ALGN Mon, Oct 31, 2011 23.16 23.86 22.76 23.03
2705 NASDAQ ALGN Fri, Oct 28, 2011 21.49 24.00 21.25 23.65
2704 NASDAQ ALGN Thu, Oct 27, 2011 17.89 18.34 17.46 17.81
2703 NASDAQ ALGN Wed, Oct 26, 2011 17.82 17.82 17.20 17.26
2702 NASDAQ ALGN Tue, Oct 25, 2011 17.82 17.88 17.41 17.57
2701 NASDAQ ALGN Mon, Oct 24, 2011 17.37 18.10 17.32 18.04
2700 NASDAQ ALGN Fri, Oct 21, 2011 16.87 17.35 16.74 17.32
2699 NASDAQ ALGN Thu, Oct 20, 2011 16.13 16.57 15.74 16.52
2698 NASDAQ ALGN Wed, Oct 19, 2011 16.38 16.61 16.05 16.13
2697 NASDAQ ALGN Tue, Oct 18, 2011 15.85 16.56 15.55 16.40
2696 NASDAQ ALGN Mon, Oct 17, 2011 16.27 16.47 15.75 15.83
2695 NASDAQ ALGN Fri, Oct 14, 2011 16.50 16.57 16.16 16.38
2694 NASDAQ ALGN Thu, Oct 13, 2011 16.60 16.75 16.04 16.33
2693 NASDAQ ALGN Wed, Oct 12, 2011 16.79 16.95 16.46 16.70
2692 NASDAQ ALGN Tue, Oct 11, 2011 16.87 17.10 16.55 16.76
2691 NASDAQ ALGN Mon, Oct 10, 2011 16.52 17.10 16.52 17.03
2690 NASDAQ ALGN Fri, Oct 7, 2011 16.81 17.11 16.18 16.20
2689 NASDAQ ALGN Thu, Oct 6, 2011 16.09 16.83 15.85 16.79
2688 NASDAQ ALGN Wed, Oct 5, 2011 16.08 16.25 15.77 16.10
2687 NASDAQ ALGN Tue, Oct 4, 2011 14.26 16.15 14.26 16.08
2686 NASDAQ ALGN Mon, Oct 3, 2011 15.00 15.49 14.25 14.26
2685 NASDAQ ALGN Fri, Sep 30, 2011 15.48 15.81 15.15 15.17
2684 NASDAQ ALGN Thu, Sep 29, 2011 15.91 16.14 15.35 15.73
2683 NASDAQ ALGN Wed, Sep 28, 2011 16.00 16.28 15.52 15.54
2682 NASDAQ ALGN Tue, Sep 27, 2011 15.52 16.29 15.50 16.03
2681 NASDAQ ALGN Mon, Sep 26, 2011 15.06 15.35 14.65 15.13
2680 NASDAQ ALGN Fri, Sep 23, 2011 15.00 15.28 14.79 14.96
2679 NASDAQ ALGN Thu, Sep 22, 2011 15.20 15.40 14.69 15.01
2678 NASDAQ ALGN Wed, Sep 21, 2011 16.22 16.26 15.53 15.62
2677 NASDAQ ALGN Tue, Sep 20, 2011 16.72 17.00 16.10 16.22
2676 NASDAQ ALGN Mon, Sep 19, 2011 16.73 16.94 16.39 16.64
2675 NASDAQ ALGN Fri, Sep 16, 2011 17.59 17.82 17.05 17.15
2674 NASDAQ ALGN Thu, Sep 15, 2011 17.64 17.64 16.98 17.45
2673 NASDAQ ALGN Wed, Sep 14, 2011 17.37 17.72 16.93 17.43
2672 NASDAQ ALGN Tue, Sep 13, 2011 16.56 17.29 16.42 17.25
2671 NASDAQ ALGN Mon, Sep 12, 2011 16.72 16.76 16.17 16.42
2670 NASDAQ ALGN Fri, Sep 9, 2011 17.72 17.72 16.91 17.07
2669 NASDAQ ALGN Thu, Sep 8, 2011 18.36 18.56 17.79 17.93
2668 NASDAQ ALGN Wed, Sep 7, 2011 17.93 18.59 17.71 18.58
2667 NASDAQ ALGN Tue, Sep 6, 2011 17.23 17.62 17.07 17.60
2666 NASDAQ ALGN Fri, Sep 2, 2011 18.39 18.79 17.57 17.82
2665 NASDAQ ALGN Thu, Sep 1, 2011 19.15 19.35 18.71 18.85
2664 NASDAQ ALGN Wed, Aug 31, 2011 19.02 19.26 18.80 19.10
2663 NASDAQ ALGN Tue, Aug 30, 2011 19.12 19.33 18.72 18.85
2662 NASDAQ ALGN Mon, Aug 29, 2011 18.58 19.45 18.58 19.36
2661 NASDAQ ALGN Fri, Aug 26, 2011 17.43 18.46 17.39 18.34
2660 NASDAQ ALGN Thu, Aug 25, 2011 18.22 18.25 17.46 17.59
2659 NASDAQ ALGN Wed, Aug 24, 2011 17.81 18.33 17.61 18.08
2658 NASDAQ ALGN Tue, Aug 23, 2011 16.76 17.93 16.62 17.91
2657 NASDAQ ALGN Mon, Aug 22, 2011 17.11 17.31 16.65 16.73
2656 NASDAQ ALGN Fri, Aug 19, 2011 16.58 17.16 16.24 16.64
2655 NASDAQ ALGN Thu, Aug 18, 2011 17.64 17.65 16.82 16.99
2654 NASDAQ ALGN Wed, Aug 17, 2011 18.42 18.65 18.03 18.25
2653 NASDAQ ALGN Tue, Aug 16, 2011 18.86 18.86 18.04 18.25
2652 NASDAQ ALGN Mon, Aug 15, 2011 18.82 19.21 18.40 19.06
2651 NASDAQ ALGN Fri, Aug 12, 2011 18.87 19.20 18.17 18.57
2650 NASDAQ ALGN Thu, Aug 11, 2011 17.61 19.02 17.21 18.68
2649 NASDAQ ALGN Wed, Aug 10, 2011 17.84 18.42 17.44 17.54
2648 NASDAQ ALGN Tue, Aug 9, 2011 17.71 18.60 16.67 18.28
2647 NASDAQ ALGN Mon, Aug 8, 2011 18.46 18.73 17.21 17.21
2646 NASDAQ ALGN Fri, Aug 5, 2011 19.47 19.73 18.90 19.10
2645 NASDAQ ALGN Thu, Aug 4, 2011 20.18 20.31 19.34 19.35
2644 NASDAQ ALGN Wed, Aug 3, 2011 21.20 21.73 20.23 20.57
2643 NASDAQ ALGN Tue, Aug 2, 2011 21.82 22.49 21.12 21.13
2642 NASDAQ ALGN Mon, Aug 1, 2011 22.26 22.53 21.29 22.15
2641 NASDAQ ALGN Fri, Jul 29, 2011 21.91 22.26 21.52 21.99
2640 NASDAQ ALGN Thu, Jul 28, 2011 22.10 22.67 21.98 22.10
2639 NASDAQ ALGN Wed, Jul 27, 2011 22.94 23.21 21.93 22.08
2638 NASDAQ ALGN Tue, Jul 26, 2011 23.30 23.45 22.81 23.05
2637 NASDAQ ALGN Mon, Jul 25, 2011 23.78 23.86 23.27 23.32
2636 NASDAQ ALGN Fri, Jul 22, 2011 23.68 24.06 23.57 24.02
2635 NASDAQ ALGN Thu, Jul 21, 2011 23.35 23.67 23.21 23.63
2634 NASDAQ ALGN Wed, Jul 20, 2011 23.60 23.60 23.13 23.29
2633 NASDAQ ALGN Tue, Jul 19, 2011 23.15 23.67 22.89 23.55
2632 NASDAQ ALGN Mon, Jul 18, 2011 23.35 23.45 22.64 23.04
2631 NASDAQ ALGN Fri, Jul 15, 2011 23.51 23.75 23.34 23.47
2630 NASDAQ ALGN Thu, Jul 14, 2011 23.80 23.95 23.34 23.36
2629 NASDAQ ALGN Wed, Jul 13, 2011 23.45 24.16 23.30 23.80
2628 NASDAQ ALGN Tue, Jul 12, 2011 23.35 23.78 23.29 23.39
2627 NASDAQ ALGN Mon, Jul 11, 2011 23.53 23.91 23.35 23.39
2626 NASDAQ ALGN Fri, Jul 8, 2011 23.48 23.89 23.29 23.86
2625 NASDAQ ALGN Thu, Jul 7, 2011 23.48 23.89 23.22 23.88
2624 NASDAQ ALGN Wed, Jul 6, 2011 22.95 23.29 22.84 23.23
2623 NASDAQ ALGN Tue, Jul 5, 2011 22.48 23.06 22.48 23.00
2622 NASDAQ ALGN Fri, Jul 1, 2011 22.80 23.32 22.60 23.01
2621 NASDAQ ALGN Thu, Jun 30, 2011 22.55 22.86 22.44 22.80
2620 NASDAQ ALGN Wed, Jun 29, 2011 22.50 22.66 22.35 22.55
2619 NASDAQ ALGN Tue, Jun 28, 2011 22.12 22.55 22.08 22.45
2618 NASDAQ ALGN Mon, Jun 27, 2011 21.80 22.12 21.65 22.00
2617 NASDAQ ALGN Fri, Jun 24, 2011 22.70 22.70 22.06 22.09
2616 NASDAQ ALGN Thu, Jun 23, 2011 22.93 23.00 22.39 22.65
2615 NASDAQ ALGN Wed, Jun 22, 2011 23.50 23.95 23.19 23.22
2614 NASDAQ ALGN Tue, Jun 21, 2011 22.83 23.65 22.50 23.58
2613 NASDAQ ALGN Mon, Jun 20, 2011 22.88 22.96 22.59 22.69
2612 NASDAQ ALGN Fri, Jun 17, 2011 23.37 23.97 22.83 22.92
2611 NASDAQ ALGN Thu, Jun 16, 2011 23.31 23.56 22.83 23.19
2610 NASDAQ ALGN Wed, Jun 15, 2011 23.72 24.06 23.20 23.34
2609 NASDAQ ALGN Tue, Jun 14, 2011 23.80 24.09 23.66 24.01
2608 NASDAQ ALGN Mon, Jun 13, 2011 23.51 23.76 23.29 23.52
2607 NASDAQ ALGN Fri, Jun 10, 2011 23.29 23.68 23.03 23.41
2606 NASDAQ ALGN Thu, Jun 9, 2011 23.08 23.62 22.98 23.43
2605 NASDAQ ALGN Wed, Jun 8, 2011 23.38 23.39 22.85 23.00
2604 NASDAQ ALGN Tue, Jun 7, 2011 23.52 23.88 23.48 23.50
2603 NASDAQ ALGN Mon, Jun 6, 2011 24.19 24.19 23.25 23.47
2602 NASDAQ ALGN Fri, Jun 3, 2011 23.60 23.84 23.22 23.59
2601 NASDAQ ALGN Thu, Jun 2, 2011 24.15 24.29 23.37 23.78
2600 NASDAQ ALGN Wed, Jun 1, 2011 24.42 24.76 23.99 24.21
2599 NASDAQ ALGN Tue, May 31, 2011 24.53 24.75 24.09 24.50
2598 NASDAQ ALGN Fri, May 27, 2011 24.18 24.50 24.15 24.40
2597 NASDAQ ALGN Thu, May 26, 2011 23.00 24.22 23.00 24.18
2596 NASDAQ ALGN Wed, May 25, 2011 22.77 23.17 22.36 23.10
2595 NASDAQ ALGN Tue, May 24, 2011 23.27 23.27 22.65 22.82
2594 NASDAQ ALGN Mon, May 23, 2011 23.48 23.53 23.00 23.27
2593 NASDAQ ALGN Fri, May 20, 2011 24.20 24.42 23.71 23.97
2592 NASDAQ ALGN Thu, May 19, 2011 23.81 24.51 23.81 24.21
2591 NASDAQ ALGN Wed, May 18, 2011 23.40 23.82 23.06 23.71
2590 NASDAQ ALGN Tue, May 17, 2011 22.84 23.51 22.75 23.41
2589 NASDAQ ALGN Mon, May 16, 2011 23.18 23.40 22.94 23.02
2588 NASDAQ ALGN Fri, May 13, 2011 23.56 23.81 23.28 23.38
2587 NASDAQ ALGN Thu, May 12, 2011 23.47 23.98 23.25 23.60
2586 NASDAQ ALGN Wed, May 11, 2011 23.62 23.88 23.07 23.61
2585 NASDAQ ALGN Tue, May 10, 2011 23.94 24.10 23.55 23.77
2584 NASDAQ ALGN Mon, May 9, 2011 23.40 23.83 23.19 23.78
2583 NASDAQ ALGN Fri, May 6, 2011 23.53 23.75 23.23 23.46
2582 NASDAQ ALGN Thu, May 5, 2011 23.72 23.99 23.09 23.18
2581 NASDAQ ALGN Wed, May 4, 2011 24.38 24.43 23.71 23.95
2580 NASDAQ ALGN Tue, May 3, 2011 24.49 24.80 24.06 24.35
2579 NASDAQ ALGN Mon, May 2, 2011 24.14 24.80 24.00 24.60
2578 NASDAQ ALGN Fri, Apr 29, 2011 24.17 24.28 23.87 24.14
2577 NASDAQ ALGN Thu, Apr 28, 2011 24.42 24.45 23.92 24.07
2576 NASDAQ ALGN Wed, Apr 27, 2011 24.49 24.86 24.40 24.59
2575 NASDAQ ALGN Tue, Apr 26, 2011 24.38 24.91 24.15 24.57
2574 NASDAQ ALGN Mon, Apr 25, 2011 24.81 25.26 24.67 24.98
2573 NASDAQ ALGN Thu, Apr 21, 2011 24.00 25.94 23.58 24.99
2572 NASDAQ ALGN Wed, Apr 20, 2011 21.68 21.83 21.20 21.39
2571 NASDAQ ALGN Tue, Apr 19, 2011 21.44 21.70 21.23 21.41
2570 NASDAQ ALGN Mon, Apr 18, 2011 21.90 21.93 21.03 21.34
2569 NASDAQ ALGN Fri, Apr 15, 2011 21.36 22.32 21.36 22.17
2568 NASDAQ ALGN Thu, Apr 14, 2011 20.82 21.45 20.76 21.45
2567 NASDAQ ALGN Wed, Apr 13, 2011 21.00 21.15 20.85 21.05
2566 NASDAQ ALGN Tue, Apr 12, 2011 20.86 21.09 20.74 20.92
2565 NASDAQ ALGN Mon, Apr 11, 2011 21.24 21.45 20.99 21.04
2564 NASDAQ ALGN Fri, Apr 8, 2011 21.33 21.41 21.06 21.20
2563 NASDAQ ALGN Thu, Apr 7, 2011 21.32 21.50 21.00 21.15
2562 NASDAQ ALGN Wed, Apr 6, 2011 21.28 21.38 21.12 21.26
2561 NASDAQ ALGN Tue, Apr 5, 2011 21.25 21.42 21.01 21.14
2560 NASDAQ ALGN Mon, Apr 4, 2011 20.78 21.38 20.78 21.21
2559 NASDAQ ALGN Fri, Apr 1, 2011 20.58 20.78 20.41 20.70
2558 NASDAQ ALGN Thu, Mar 31, 2011 20.35 20.62 20.10 20.48
2557 NASDAQ ALGN Wed, Mar 30, 2011 21.14 21.35 19.56 20.37
2556 NASDAQ ALGN Tue, Mar 29, 2011 20.94 21.20 20.78 21.18
2555 NASDAQ ALGN Mon, Mar 28, 2011 21.10 21.13 20.93 20.98
2554 NASDAQ ALGN Fri, Mar 25, 2011 20.67 21.21 20.56 21.00
2553 NASDAQ ALGN Thu, Mar 24, 2011 20.51 20.68 20.23 20.63
2552 NASDAQ ALGN Wed, Mar 23, 2011 20.66 20.74 20.22 20.34
2551 NASDAQ ALGN Tue, Mar 22, 2011 20.89 21.03 20.72 20.74
2550 NASDAQ ALGN Mon, Mar 21, 2011 21.15 21.27 20.76 20.80
2549 NASDAQ ALGN Fri, Mar 18, 2011 20.55 20.91 20.48 20.91
2548 NASDAQ ALGN Thu, Mar 17, 2011 20.62 20.69 20.24 20.33
2547 NASDAQ ALGN Wed, Mar 16, 2011 20.32 21.11 20.23 20.33
2546 NASDAQ ALGN Tue, Mar 15, 2011 20.22 20.74 20.17 20.43
2545 NASDAQ ALGN Mon, Mar 14, 2011 20.93 21.15 20.82 20.85
2544 NASDAQ ALGN Fri, Mar 11, 2011 20.93 21.19 20.70 21.04
2543 NASDAQ ALGN Thu, Mar 10, 2011 21.55 21.55 20.85 20.96
2542 NASDAQ ALGN Wed, Mar 9, 2011 21.77 21.93 21.60 21.78
2541 NASDAQ ALGN Tue, Mar 8, 2011 21.09 22.05 21.02 21.80
2540 NASDAQ ALGN Mon, Mar 7, 2011 21.85 21.89 21.15 21.51
2539 NASDAQ ALGN Fri, Mar 4, 2011 21.65 21.78 21.32 21.68
2538 NASDAQ ALGN Thu, Mar 3, 2011 21.01 21.88 21.01 21.60
2537 NASDAQ ALGN Wed, Mar 2, 2011 20.52 20.86 20.44 20.80
2536 NASDAQ ALGN Tue, Mar 1, 2011 20.83 20.99 20.46 20.52
2535 NASDAQ ALGN Mon, Feb 28, 2011 20.51 21.15 20.15 20.85
2534 NASDAQ ALGN Fri, Feb 25, 2011 19.60 20.37 19.51 20.29
2533 NASDAQ ALGN Thu, Feb 24, 2011 19.27 19.61 19.20 19.54
2532 NASDAQ ALGN Wed, Feb 23, 2011 19.50 19.82 19.10 19.31
2531 NASDAQ ALGN Tue, Feb 22, 2011 20.50 20.56 19.67 19.86
2530 NASDAQ ALGN Fri, Feb 18, 2011 21.10 21.15 20.66 20.79
2529 NASDAQ ALGN Thu, Feb 17, 2011 20.96 21.22 20.74 21.03
2528 NASDAQ ALGN Wed, Feb 16, 2011 20.66 21.05 20.54 21.02
2527 NASDAQ ALGN Tue, Feb 15, 2011 20.75 21.07 20.50 20.51
2526 NASDAQ ALGN Mon, Feb 14, 2011 20.94 21.20 20.70 20.97
2525 NASDAQ ALGN Fri, Feb 11, 2011 20.80 20.95 20.55 20.87
2524 NASDAQ ALGN Thu, Feb 10, 2011 20.66 21.17 20.65 20.79
2523 NASDAQ ALGN Wed, Feb 9, 2011 21.12 21.25 20.62 20.72
2522 NASDAQ ALGN Tue, Feb 8, 2011 20.96 21.40 20.77 21.26
2521 NASDAQ ALGN Mon, Feb 7, 2011 21.25 21.47 20.32 21.00
2520 NASDAQ ALGN Fri, Feb 4, 2011 21.97 22.15 21.65 21.86
2519 NASDAQ ALGN Thu, Feb 3, 2011 21.89 22.24 21.73 22.05
2518 NASDAQ ALGN Wed, Feb 2, 2011 21.24 22.24 21.24 21.95
2517 NASDAQ ALGN Tue, Feb 1, 2011 20.51 21.39 20.51 21.38
2516 NASDAQ ALGN Mon, Jan 31, 2011 20.30 21.00 20.29 20.83
2515 NASDAQ ALGN Fri, Jan 28, 2011 20.85 20.92 20.31 20.35
2514 NASDAQ ALGN Thu, Jan 27, 2011 19.94 21.20 19.41 20.90
2513 NASDAQ ALGN Wed, Jan 26, 2011 19.93 20.51 19.73 20.51
2512 NASDAQ ALGN Tue, Jan 25, 2011 19.79 20.03 19.72 19.92
2511 NASDAQ ALGN Mon, Jan 24, 2011 19.94 20.41 19.87 19.95
2510 NASDAQ ALGN Fri, Jan 21, 2011 20.37 20.37 19.87 19.87
2509 NASDAQ ALGN Thu, Jan 20, 2011 20.42 20.58 20.05 20.29
2508 NASDAQ ALGN Wed, Jan 19, 2011 20.77 20.89 20.40 20.52
2507 NASDAQ ALGN Tue, Jan 18, 2011 20.40 20.85 20.20 20.82
2506 NASDAQ ALGN Fri, Jan 14, 2011 20.50 20.57 20.35 20.50
2505 NASDAQ ALGN Thu, Jan 13, 2011 20.38 20.60 20.31 20.56
2504 NASDAQ ALGN Wed, Jan 12, 2011 20.50 20.80 20.36 20.42
2503 NASDAQ ALGN Tue, Jan 11, 2011 20.25 20.46 20.02 20.30
2502 NASDAQ ALGN Mon, Jan 10, 2011 19.95 20.29 19.62 20.20
2501 NASDAQ ALGN Fri, Jan 7, 2011 19.54 20.14 19.30 20.00
2500 NASDAQ ALGN Thu, Jan 6, 2011 19.83 20.00 19.44 19.59
2499 NASDAQ ALGN Wed, Jan 5, 2011 19.45 20.10 19.34 19.83
2498 NASDAQ ALGN Tue, Jan 4, 2011 20.00 20.12 19.23 19.50
2497 NASDAQ ALGN Mon, Jan 3, 2011 19.75 20.27 19.62 19.87
2496 NASDAQ ALGN Fri, Dec 31, 2010 20.04 20.24 19.50 19.54
2495 NASDAQ ALGN Thu, Dec 30, 2010 19.91 20.24 19.91 20.02
2494 NASDAQ ALGN Wed, Dec 29, 2010 20.13 20.21 19.90 19.96
2493 NASDAQ ALGN Tue, Dec 28, 2010 20.11 20.17 19.42 20.13
2492 NASDAQ ALGN Mon, Dec 27, 2010 20.12 20.23 19.96 20.12
2491 NASDAQ ALGN Thu, Dec 23, 2010 20.38 20.47 20.19 20.24
2490 NASDAQ ALGN Wed, Dec 22, 2010 20.29 20.62 20.15 20.37
2489 NASDAQ ALGN Tue, Dec 21, 2010 20.14 20.61 19.89 20.28
2488 NASDAQ ALGN Mon, Dec 20, 2010 20.30 20.65 19.97 20.07
2487 NASDAQ ALGN Fri, Dec 17, 2010 19.40 20.16 19.20 20.11
2486 NASDAQ ALGN Thu, Dec 16, 2010 18.81 19.43 18.65 19.42
2485 NASDAQ ALGN Wed, Dec 15, 2010 18.73 19.14 18.69 18.79
2484 NASDAQ ALGN Tue, Dec 14, 2010 18.62 18.94 18.58 18.71
2483 NASDAQ ALGN Mon, Dec 13, 2010 18.77 18.77 18.50 18.52
2482 NASDAQ ALGN Fri, Dec 10, 2010 18.45 18.79 18.33 18.67
2481 NASDAQ ALGN Thu, Dec 9, 2010 18.31 18.53 18.20 18.39
2480 NASDAQ ALGN Wed, Dec 8, 2010 17.83 18.34 17.63 18.10
2479 NASDAQ ALGN Tue, Dec 7, 2010 17.98 18.19 17.72 17.81
2478 NASDAQ ALGN Mon, Dec 6, 2010 17.68 17.98 17.63 17.77
2477 NASDAQ ALGN Fri, Dec 3, 2010 17.45 17.72 17.18 17.62
2476 NASDAQ ALGN Thu, Dec 2, 2010 17.94 18.03 17.43 17.50
2475 NASDAQ ALGN Wed, Dec 1, 2010 17.84 18.32 17.70 17.97
2474 NASDAQ ALGN Tue, Nov 30, 2010 17.36 17.84 16.73 17.49
2473 NASDAQ ALGN Mon, Nov 29, 2010 17.44 17.73 17.29 17.60
2472 NASDAQ ALGN Fri, Nov 26, 2010 17.67 18.04 17.50 17.57
2471 NASDAQ ALGN Wed, Nov 24, 2010 17.58 17.85 17.52 17.85
2470 NASDAQ ALGN Tue, Nov 23, 2010 17.12 17.54 17.01 17.45
2469 NASDAQ ALGN Mon, Nov 22, 2010 17.37 17.64 17.12 17.40
2468 NASDAQ ALGN Fri, Nov 19, 2010 17.91 18.16 17.47 17.50
2467 NASDAQ ALGN Thu, Nov 18, 2010 17.91 18.20 17.80 17.91
2466 NASDAQ ALGN Wed, Nov 17, 2010 17.99 18.00 17.63 17.68
2465 NASDAQ ALGN Tue, Nov 16, 2010 18.13 18.29 17.71 17.88
2464 NASDAQ ALGN Mon, Nov 15, 2010 18.35 18.46 18.07 18.27
2463 NASDAQ ALGN Fri, Nov 12, 2010 18.31 18.56 18.20 18.31
2462 NASDAQ ALGN Thu, Nov 11, 2010 18.20 18.54 18.19 18.50
2461 NASDAQ ALGN Wed, Nov 10, 2010 18.33 18.43 18.11 18.43
2460 NASDAQ ALGN Tue, Nov 9, 2010 18.24 18.36 18.03 18.25
2459 NASDAQ ALGN Mon, Nov 8, 2010 18.50 18.55 18.14 18.24
2458 NASDAQ ALGN Fri, Nov 5, 2010 17.80 18.67 17.73 18.50
2457 NASDAQ ALGN Thu, Nov 4, 2010 17.58 17.90 17.45 17.80
2456 NASDAQ ALGN Wed, Nov 3, 2010 17.33 17.41 17.00 17.40
2455 NASDAQ ALGN Tue, Nov 2, 2010 17.20 17.46 16.65 17.36
2454 NASDAQ ALGN Mon, Nov 1, 2010 17.02 17.45 17.00 17.15
2453 NASDAQ ALGN Fri, Oct 29, 2010 16.98 17.17 16.91 17.02
2452 NASDAQ ALGN Thu, Oct 28, 2010 16.96 17.29 16.30 17.06
2451 NASDAQ ALGN Wed, Oct 27, 2010 16.50 16.97 16.35 16.89
2450 NASDAQ ALGN Tue, Oct 26, 2010 16.90 17.06 16.25 16.65
2449 NASDAQ ALGN Mon, Oct 25, 2010 18.12 18.12 17.42 17.48
2448 NASDAQ ALGN Fri, Oct 22, 2010 18.14 18.42 17.50 18.13
2447 NASDAQ ALGN Thu, Oct 21, 2010 21.24 21.40 20.23 20.71
2446 NASDAQ ALGN Wed, Oct 20, 2010 20.43 21.29 20.33 21.08
2445 NASDAQ ALGN Tue, Oct 19, 2010 20.70 20.89 20.08 20.31
2444 NASDAQ ALGN Mon, Oct 18, 2010 20.49 21.05 20.48 21.00
2443 NASDAQ ALGN Fri, Oct 15, 2010 20.95 20.95 20.43 20.48
2442 NASDAQ ALGN Thu, Oct 14, 2010 20.58 20.97 20.55 20.68
2441 NASDAQ ALGN Wed, Oct 13, 2010 20.10 20.61 20.04 20.50
2440 NASDAQ ALGN Tue, Oct 12, 2010 19.60 19.96 19.41 19.88
2439 NASDAQ ALGN Mon, Oct 11, 2010 19.60 19.81 19.54 19.57
2438 NASDAQ ALGN Fri, Oct 8, 2010 19.78 19.80 19.41 19.63
2437 NASDAQ ALGN Thu, Oct 7, 2010 19.76 19.90 19.50 19.83
2436 NASDAQ ALGN Wed, Oct 6, 2010 19.52 19.76 19.47 19.69
2435 NASDAQ ALGN Tue, Oct 5, 2010 19.48 19.59 19.22 19.50
2434 NASDAQ ALGN Mon, Oct 4, 2010 19.54 19.60 19.24 19.32
2433 NASDAQ ALGN Fri, Oct 1, 2010 19.77 19.86 19.37 19.65
2432 NASDAQ ALGN Thu, Sep 30, 2010 19.95 19.95 19.30 19.58
2431 NASDAQ ALGN Wed, Sep 29, 2010 19.59 19.94 19.52 19.85
2430 NASDAQ ALGN Tue, Sep 28, 2010 19.72 19.79 19.25 19.73
2429 NASDAQ ALGN Mon, Sep 27, 2010 19.72 19.87 19.43 19.75
2428 NASDAQ ALGN Fri, Sep 24, 2010 19.13 19.66 19.06 19.66
2427 NASDAQ ALGN Thu, Sep 23, 2010 19.14 19.42 18.83 18.90
2426 NASDAQ ALGN Wed, Sep 22, 2010 19.43 19.70 18.95 19.29
2425 NASDAQ ALGN Tue, Sep 21, 2010 19.85 19.93 19.48 19.58
2424 NASDAQ ALGN Mon, Sep 20, 2010 19.34 19.95 19.29 19.89
2423 NASDAQ ALGN Fri, Sep 17, 2010 19.07 19.38 18.79 19.29
2422 NASDAQ ALGN Thu, Sep 16, 2010 18.85 19.00 18.60 18.92
2421 NASDAQ ALGN Wed, Sep 15, 2010 18.35 18.95 18.25 18.93
2420 NASDAQ ALGN Tue, Sep 14, 2010 18.64 18.82 18.37 18.42
2419 NASDAQ ALGN Mon, Sep 13, 2010 17.85 18.95 17.74 18.68
2418 NASDAQ ALGN Fri, Sep 10, 2010 17.11 17.92 16.97 17.82
2417 NASDAQ ALGN Thu, Sep 9, 2010 17.12 17.17 16.79 17.05
2416 NASDAQ ALGN Wed, Sep 8, 2010 16.72 17.13 16.50 16.96
2415 NASDAQ ALGN Tue, Sep 7, 2010 17.19 17.23 16.64 16.65
2414 NASDAQ ALGN Fri, Sep 3, 2010 17.41 17.85 17.10 17.22
2413 NASDAQ ALGN Thu, Sep 2, 2010 16.87 17.29 16.68 17.26
2412 NASDAQ ALGN Wed, Sep 1, 2010 16.24 17.04 16.17 16.95
2411 NASDAQ ALGN Tue, Aug 31, 2010 15.72 16.44 15.72 15.99
2410 NASDAQ ALGN Mon, Aug 30, 2010 16.20 16.35 15.80 15.80
2409 NASDAQ ALGN Fri, Aug 27, 2010 16.40 16.40 15.98 16.30
2408 NASDAQ ALGN Thu, Aug 26, 2010 16.29 16.51 16.13 16.24
2407 NASDAQ ALGN Wed, Aug 25, 2010 16.04 16.36 15.75 16.29
2406 NASDAQ ALGN Tue, Aug 24, 2010 16.39 16.69 15.71 16.21
2405 NASDAQ ALGN Mon, Aug 23, 2010 17.26 17.26 16.39 16.64
2404 NASDAQ ALGN Fri, Aug 20, 2010 17.23 17.42 16.90 17.24
2403 NASDAQ ALGN Thu, Aug 19, 2010 17.42 17.55 16.95 17.32
2402 NASDAQ ALGN Wed, Aug 18, 2010 17.61 17.89 17.42 17.55
2401 NASDAQ ALGN Tue, Aug 17, 2010 17.33 17.72 17.00 17.65
2400 NASDAQ ALGN Mon, Aug 16, 2010 16.92 17.30 16.83 17.15
2399 NASDAQ ALGN Fri, Aug 13, 2010 17.22 17.41 16.90 17.00
2398 NASDAQ ALGN Thu, Aug 12, 2010 16.93 17.41 16.53 17.33
2397 NASDAQ ALGN Wed, Aug 11, 2010 17.65 17.65 16.86 17.21
2396 NASDAQ ALGN Tue, Aug 10, 2010 17.91 18.25 17.70 17.96
2395 NASDAQ ALGN Mon, Aug 9, 2010 17.97 18.28 17.73 18.11
2394 NASDAQ ALGN Fri, Aug 6, 2010 17.50 17.92 17.05 17.83
2393 NASDAQ ALGN Thu, Aug 5, 2010 17.61 17.76 17.33 17.65
2392 NASDAQ ALGN Wed, Aug 4, 2010 17.82 17.97 17.37 17.76
2391 NASDAQ ALGN Tue, Aug 3, 2010 17.79 17.92 17.42 17.79
2390 NASDAQ ALGN Mon, Aug 2, 2010 17.47 18.02 17.47 17.90
2389 NASDAQ ALGN Fri, Jul 30, 2010 17.25 17.67 17.19 17.35
2388 NASDAQ ALGN Thu, Jul 29, 2010 17.42 17.49 17.08 17.47
2387 NASDAQ ALGN Wed, Jul 28, 2010 17.89 18.23 17.24 17.37
2386 NASDAQ ALGN Tue, Jul 27, 2010 18.35 18.50 17.81 18.05
2385 NASDAQ ALGN Mon, Jul 26, 2010 17.17 18.46 17.13 18.35
2384 NASDAQ ALGN Fri, Jul 23, 2010 17.26 17.50 15.86 17.12
2383 NASDAQ ALGN Thu, Jul 22, 2010 14.61 15.27 14.55 14.83
2382 NASDAQ ALGN Wed, Jul 21, 2010 14.49 14.69 14.28 14.49
2381 NASDAQ ALGN Tue, Jul 20, 2010 14.13 14.51 14.00 14.44
2380 NASDAQ ALGN Mon, Jul 19, 2010 14.60 14.74 14.19 14.29
2379 NASDAQ ALGN Fri, Jul 16, 2010 15.12 15.12 14.46 14.57
2378 NASDAQ ALGN Thu, Jul 15, 2010 15.62 15.68 15.05 15.27
2377 NASDAQ ALGN Wed, Jul 14, 2010 15.07 16.38 15.07 15.62
2376 NASDAQ ALGN Tue, Jul 13, 2010 14.45 14.87 14.42 14.84
2375 NASDAQ ALGN Mon, Jul 12, 2010 14.36 14.58 14.20 14.27
2374 NASDAQ ALGN Fri, Jul 9, 2010 14.82 14.82 14.25 14.44
2373 NASDAQ ALGN Thu, Jul 8, 2010 14.97 15.16 14.69 14.88
2372 NASDAQ ALGN Wed, Jul 7, 2010 14.21 14.92 14.14 14.88
2371 NASDAQ ALGN Tue, Jul 6, 2010 14.37 14.60 14.01 14.10
2370 NASDAQ ALGN Fri, Jul 2, 2010 14.39 14.45 13.97 14.20
2369 NASDAQ ALGN Thu, Jul 1, 2010 14.89 14.89 13.90 14.30
2368 NASDAQ ALGN Wed, Jun 30, 2010 14.95 15.17 14.78 14.87
2367 NASDAQ ALGN Tue, Jun 29, 2010 14.78 14.97 14.01 14.91
2366 NASDAQ ALGN Mon, Jun 28, 2010 15.00 15.10 14.93 15.00
2365 NASDAQ ALGN Fri, Jun 25, 2010 14.50 15.00 14.41 14.96
2364 NASDAQ ALGN Thu, Jun 24, 2010 14.68 14.81 14.44 14.49
2363 NASDAQ ALGN Wed, Jun 23, 2010 14.96 14.96 14.35 14.75
2362 NASDAQ ALGN Tue, Jun 22, 2010 15.28 15.37 14.85 14.96
2361 NASDAQ ALGN Mon, Jun 21, 2010 14.94 15.34 14.87 15.20
2360 NASDAQ ALGN Fri, Jun 18, 2010 14.97 14.97 14.69 14.75
2359 NASDAQ ALGN Thu, Jun 17, 2010 14.86 15.02 14.71 14.88
2358 NASDAQ ALGN Wed, Jun 16, 2010 14.90 15.02 14.69 14.85
2357 NASDAQ ALGN Tue, Jun 15, 2010 14.87 15.03 14.80 15.00
2356 NASDAQ ALGN Mon, Jun 14, 2010 14.60 15.23 14.60 14.81
2355 NASDAQ ALGN Fri, Jun 11, 2010 13.61 14.56 13.43 14.54
2354 NASDAQ ALGN Thu, Jun 10, 2010 13.49 13.98 13.33 13.70
2353 NASDAQ ALGN Wed, Jun 9, 2010 13.60 13.80 13.18 13.27
2352 NASDAQ ALGN Tue, Jun 8, 2010 14.19 14.19 13.44 13.51
2351 NASDAQ ALGN Mon, Jun 7, 2010 13.86 14.41 13.84 14.19
2350 NASDAQ ALGN Fri, Jun 4, 2010 14.00 14.05 13.38 13.79
2349 NASDAQ ALGN Thu, Jun 3, 2010 14.87 15.08 14.25 14.43
2348 NASDAQ ALGN Wed, Jun 2, 2010 14.42 14.79 14.31 14.77
2347 NASDAQ ALGN Tue, Jun 1, 2010 14.85 14.85 14.21 14.38
2346 NASDAQ ALGN Fri, May 28, 2010 15.18 15.23 14.88 14.92
2345 NASDAQ ALGN Thu, May 27, 2010 15.02 15.22 14.87 15.19
2344 NASDAQ ALGN Wed, May 26, 2010 15.29 15.45 14.73 14.75
2343 NASDAQ ALGN Tue, May 25, 2010 15.54 15.61 14.87 15.25
2342 NASDAQ ALGN Mon, May 24, 2010 15.81 16.22 15.81 15.84
2341 NASDAQ ALGN Fri, May 21, 2010 15.77 16.12 15.50 15.86
2340 NASDAQ ALGN Thu, May 20, 2010 16.63 16.64 15.80 16.01
2339 NASDAQ ALGN Wed, May 19, 2010 17.21 17.37 16.67 16.91
2338 NASDAQ ALGN Tue, May 18, 2010 17.31 17.91 17.22 17.30
2337 NASDAQ ALGN Mon, May 17, 2010 17.01 17.37 16.94 17.31
2336 NASDAQ ALGN Fri, May 14, 2010 17.17 17.17 16.62 17.02
2335 NASDAQ ALGN Thu, May 13, 2010 17.37 17.48 17.17 17.31
2334 NASDAQ ALGN Wed, May 12, 2010 17.17 17.46 17.09 17.46
2333 NASDAQ ALGN Tue, May 11, 2010 17.07 17.40 17.00 17.17
2332 NASDAQ ALGN Mon, May 10, 2010 17.03 17.46 17.03 17.26
2331 NASDAQ ALGN Fri, May 7, 2010 17.11 17.11 16.36 16.52
2330 NASDAQ ALGN Thu, May 6, 2010 16.99 17.58 16.57 17.26
2329 NASDAQ ALGN Wed, May 5, 2010 17.45 17.59 17.25 17.49
2328 NASDAQ ALGN Tue, May 4, 2010 17.27 17.53 16.93 17.53
2327 NASDAQ ALGN Mon, May 3, 2010 17.00 17.59 16.93 17.40
2326 NASDAQ ALGN Fri, Apr 30, 2010 17.89 17.93 16.89 17.00
2325 NASDAQ ALGN Thu, Apr 29, 2010 16.70 18.20 16.58 17.93
2324 NASDAQ ALGN Wed, Apr 28, 2010 17.12 17.16 16.51 16.56
2323 NASDAQ ALGN Tue, Apr 27, 2010 17.04 17.13 16.73 17.00
2322 NASDAQ ALGN Mon, Apr 26, 2010 16.92 17.25 16.50 17.14
2321 NASDAQ ALGN Fri, Apr 23, 2010 17.74 17.79 16.42 16.88
2320 NASDAQ ALGN Thu, Apr 22, 2010 19.42 19.42 17.18 17.62
2319 NASDAQ ALGN Wed, Apr 21, 2010 18.78 18.89 18.51 18.80
2318 NASDAQ ALGN Tue, Apr 20, 2010 18.66 18.82 18.47 18.82
2317 NASDAQ ALGN Mon, Apr 19, 2010 18.59 18.66 18.07 18.63
2316 NASDAQ ALGN Fri, Apr 16, 2010 18.65 18.90 18.04 18.70
2315 NASDAQ ALGN Thu, Apr 15, 2010 18.49 18.77 18.29 18.67
2314 NASDAQ ALGN Wed, Apr 14, 2010 18.22 18.38 17.93 18.34
2313 NASDAQ ALGN Tue, Apr 13, 2010 17.71 18.18 17.69 18.09
2312 NASDAQ ALGN Mon, Apr 12, 2010 17.62 17.89 17.52 17.70
2311 NASDAQ ALGN Fri, Apr 9, 2010 17.54 18.13 17.33 17.57
2310 NASDAQ ALGN Thu, Apr 8, 2010 18.10 18.15 17.48 17.49
2309 NASDAQ ALGN Wed, Apr 7, 2010 18.37 18.89 17.96 18.17
2308 NASDAQ ALGN Tue, Apr 6, 2010 19.90 20.03 18.18 18.44
2307 NASDAQ ALGN Mon, Apr 5, 2010 19.58 20.56 19.46 20.44
2306 NASDAQ ALGN Thu, Apr 1, 2010 19.44 19.79 19.34 19.58
2305 NASDAQ ALGN Wed, Mar 31, 2010 19.50 19.85 19.30 19.34
2304 NASDAQ ALGN Tue, Mar 30, 2010 19.55 19.94 19.41 19.51
2303 NASDAQ ALGN Mon, Mar 29, 2010 19.56 19.65 19.31 19.52
2302 NASDAQ ALGN Fri, Mar 26, 2010 19.45 19.88 19.30 19.46
2301 NASDAQ ALGN Thu, Mar 25, 2010 19.72 20.00 19.35 19.35
2300 NASDAQ ALGN Wed, Mar 24, 2010 19.80 19.98 19.48 19.66
2299 NASDAQ ALGN Tue, Mar 23, 2010 19.65 19.90 19.54 19.89
2298 NASDAQ ALGN Mon, Mar 22, 2010 19.03 19.91 19.03 19.61
2297 NASDAQ ALGN Fri, Mar 19, 2010 19.34 19.34 19.04 19.16
2296 NASDAQ ALGN Thu, Mar 18, 2010 19.34 19.44 19.07 19.20
2295 NASDAQ ALGN Wed, Mar 17, 2010 18.99 19.58 18.81 19.32
2294 NASDAQ ALGN Tue, Mar 16, 2010 18.62 19.13 18.37 18.90
2293 NASDAQ ALGN Mon, Mar 15, 2010 19.05 19.06 18.12 18.54
2292 NASDAQ ALGN Fri, Mar 12, 2010 19.50 19.53 19.09 19.18
2291 NASDAQ ALGN Thu, Mar 11, 2010 19.39 19.51 19.25 19.43
2290 NASDAQ ALGN Wed, Mar 10, 2010 19.43 19.71 19.35 19.47
2289 NASDAQ ALGN Tue, Mar 9, 2010 19.20 19.60 19.08 19.44
2288 NASDAQ ALGN Mon, Mar 8, 2010 19.17 19.43 19.08 19.27
2287 NASDAQ ALGN Fri, Mar 5, 2010 18.84 19.34 18.80 19.17
2286 NASDAQ ALGN Thu, Mar 4, 2010 18.74 18.87 18.60 18.83
2285 NASDAQ ALGN Wed, Mar 3, 2010 19.08 19.08 18.60 18.75
2284 NASDAQ ALGN Tue, Mar 2, 2010 18.77 19.01 18.58 18.96
2283 NASDAQ ALGN Mon, Mar 1, 2010 18.16 18.78 18.08 18.78
2282 NASDAQ ALGN Fri, Feb 26, 2010 17.84 18.20 17.84 18.10
2281 NASDAQ ALGN Thu, Feb 25, 2010 17.55 18.16 17.40 18.12
2280 NASDAQ ALGN Wed, Feb 24, 2010 17.88 18.25 17.87 18.00
2279 NASDAQ ALGN Tue, Feb 23, 2010 17.20 18.00 17.17 17.92
2278 NASDAQ ALGN Mon, Feb 22, 2010 17.89 18.00 17.67 17.92
2277 NASDAQ ALGN Fri, Feb 19, 2010 18.00 18.02 17.90 17.94
2276 NASDAQ ALGN Thu, Feb 18, 2010 17.85 18.00 17.81 17.99
2275 NASDAQ ALGN Wed, Feb 17, 2010 18.00 18.00 17.83 17.92
2274 NASDAQ ALGN Tue, Feb 16, 2010 17.70 17.95 17.40 17.95
2273 NASDAQ ALGN Fri, Feb 12, 2010 17.30 17.54 17.22 17.53
2272 NASDAQ ALGN Thu, Feb 11, 2010 17.25 17.74 17.18 17.45
2271 NASDAQ ALGN Wed, Feb 10, 2010 17.07 17.30 16.93 17.26
2270 NASDAQ ALGN Tue, Feb 9, 2010 17.50 17.60 17.09 17.20
2269 NASDAQ ALGN Mon, Feb 8, 2010 17.62 17.81 17.25 17.28
2268 NASDAQ ALGN Fri, Feb 5, 2010 17.49 17.86 17.27 17.68
2267 NASDAQ ALGN Thu, Feb 4, 2010 17.94 17.94 17.33 17.49
2266 NASDAQ ALGN Wed, Feb 3, 2010 18.10 18.48 17.83 18.11
2265 NASDAQ ALGN Tue, Feb 2, 2010 18.00 18.52 17.97 18.12
2264 NASDAQ ALGN Mon, Feb 1, 2010 18.73 18.75 18.50 18.58
2263 NASDAQ ALGN Fri, Jan 29, 2010 18.18 19.09 18.14 18.75
2262 NASDAQ ALGN Thu, Jan 28, 2010 18.74 19.25 17.99 18.03
2261 NASDAQ ALGN Wed, Jan 27, 2010 16.41 16.78 16.11 16.69
2260 NASDAQ ALGN Tue, Jan 26, 2010 16.60 17.04 16.40 16.46
2259 NASDAQ ALGN Mon, Jan 25, 2010 16.65 16.89 16.25 16.70
2258 NASDAQ ALGN Fri, Jan 22, 2010 16.76 16.93 16.47 16.53
2257 NASDAQ ALGN Thu, Jan 21, 2010 17.70 17.75 16.83 16.85
2256 NASDAQ ALGN Wed, Jan 20, 2010 17.18 17.79 17.14 17.68
2255 NASDAQ ALGN Tue, Jan 19, 2010 16.95 17.35 16.95 17.34
2254 NASDAQ ALGN Fri, Jan 15, 2010 17.22 17.22 16.47 16.93
2253 NASDAQ ALGN Thu, Jan 14, 2010 17.48 17.51 17.05 17.13
2252 NASDAQ ALGN Wed, Jan 13, 2010 17.23 17.70 17.12 17.58
2251 NASDAQ ALGN Tue, Jan 12, 2010 17.38 17.61 17.11 17.23
2250 NASDAQ ALGN Mon, Jan 11, 2010 17.26 17.76 17.26 17.54
2249 NASDAQ ALGN Fri, Jan 8, 2010 17.41 17.80 17.05 17.66
2248 NASDAQ ALGN Thu, Jan 7, 2010 17.49 17.49 16.95 17.43
2247 NASDAQ ALGN Wed, Jan 6, 2010 17.97 17.97 17.37 17.48
2246 NASDAQ ALGN Tue, Jan 5, 2010 18.50 18.50 17.70 18.01
2245 NASDAQ ALGN Mon, Jan 4, 2010 18.05 18.50 18.05 18.50
2244 NASDAQ ALGN Thu, Dec 31, 2009 17.86 18.10 17.79 17.82
2243 NASDAQ ALGN Wed, Dec 30, 2009 17.90 18.01 17.61 17.88
2242 NASDAQ ALGN Tue, Dec 29, 2009 17.98 18.07 17.89 17.93
2241 NASDAQ ALGN Mon, Dec 28, 2009 17.88 17.99 17.57 17.92
2240 NASDAQ ALGN Thu, Dec 24, 2009 17.86 17.99 17.76 17.82
2239 NASDAQ ALGN Wed, Dec 23, 2009 17.45 17.88 17.36 17.76
2238 NASDAQ ALGN Tue, Dec 22, 2009 17.16 17.47 17.10 17.42
2237 NASDAQ ALGN Mon, Dec 21, 2009 16.93 17.28 16.82 17.18
2236 NASDAQ ALGN Fri, Dec 18, 2009 17.30 17.59 16.75 16.93
2235 NASDAQ ALGN Thu, Dec 17, 2009 17.94 17.94 17.14 17.16
2234 NASDAQ ALGN Wed, Dec 16, 2009 17.93 18.18 17.79 17.98
2233 NASDAQ ALGN Tue, Dec 15, 2009 17.88 18.23 17.75 17.79
2232 NASDAQ ALGN Mon, Dec 14, 2009 17.50 17.97 17.20 17.95
2231 NASDAQ ALGN Fri, Dec 11, 2009 17.72 17.87 17.24 17.40
2230 NASDAQ ALGN Thu, Dec 10, 2009 17.76 17.78 17.42 17.66
2229 NASDAQ ALGN Wed, Dec 9, 2009 17.85 18.00 17.25 17.69
2228 NASDAQ ALGN Tue, Dec 8, 2009 17.85 18.13 17.58 17.89
2227 NASDAQ ALGN Mon, Dec 7, 2009 18.00 18.07 17.66 18.00
2226 NASDAQ ALGN Fri, Dec 4, 2009 17.70 18.11 17.55 18.00
2225 NASDAQ ALGN Thu, Dec 3, 2009 17.70 17.99 17.31 17.36
2224 NASDAQ ALGN Wed, Dec 2, 2009 17.19 17.95 17.14 17.61
2223 NASDAQ ALGN Tue, Dec 1, 2009 16.52 17.31 16.50 17.10
2222 NASDAQ ALGN Mon, Nov 30, 2009 16.11 16.43 15.99 16.36
2221 NASDAQ ALGN Fri, Nov 27, 2009 16.01 16.29 16.01 16.08
2220 NASDAQ ALGN Wed, Nov 25, 2009 15.87 16.55 15.65 16.49
2219 NASDAQ ALGN Tue, Nov 24, 2009 15.74 16.07 15.62 15.89
2218 NASDAQ ALGN Mon, Nov 23, 2009 15.65 16.25 15.64 15.81
2217 NASDAQ ALGN Fri, Nov 20, 2009 15.72 15.98 15.52 15.54
2216 NASDAQ ALGN Thu, Nov 19, 2009 16.32 16.54 15.68 15.85
2215 NASDAQ ALGN Wed, Nov 18, 2009 16.80 16.80 16.32 16.46
2214 NASDAQ ALGN Tue, Nov 17, 2009 16.78 16.81 16.47 16.75
2213 NASDAQ ALGN Mon, Nov 16, 2009 15.93 16.86 15.93 16.79
2212 NASDAQ ALGN Fri, Nov 13, 2009 15.59 15.88 15.38 15.78
2211 NASDAQ ALGN Thu, Nov 12, 2009 16.07 16.13 15.52 15.59
2210 NASDAQ ALGN Wed, Nov 11, 2009 16.36 16.36 15.94 16.07
2209 NASDAQ ALGN Tue, Nov 10, 2009 16.54 16.75 16.10 16.20
2208 NASDAQ ALGN Mon, Nov 9, 2009 16.58 16.64 16.19 16.60
2207 NASDAQ ALGN Fri, Nov 6, 2009 16.92 16.95 16.41 16.52
2206 NASDAQ ALGN Thu, Nov 5, 2009 16.80 17.39 16.73 17.08
2205 NASDAQ ALGN Wed, Nov 4, 2009 16.35 16.98 16.31 16.79
2204 NASDAQ ALGN Tue, Nov 3, 2009 16.00 16.37 15.85 16.35
2203 NASDAQ ALGN Mon, Nov 2, 2009 15.87 16.19 15.84 16.05
2202 NASDAQ ALGN Fri, Oct 30, 2009 15.95 16.12 15.55 15.72
2201 NASDAQ ALGN Thu, Oct 29, 2009 16.13 16.50 15.87 15.94
2200 NASDAQ ALGN Wed, Oct 28, 2009 16.84 17.00 15.99 16.05
2199 NASDAQ ALGN Tue, Oct 27, 2009 16.96 17.23 16.53 16.81
2198 NASDAQ ALGN Mon, Oct 26, 2009 17.62 17.70 16.98 17.03
2197 NASDAQ ALGN Fri, Oct 23, 2009 18.00 18.85 17.53 17.70
2196 NASDAQ ALGN Thu, Oct 22, 2009 14.97 15.61 14.54 15.38
2195 NASDAQ ALGN Wed, Oct 21, 2009 15.20 15.60 14.86 14.94
2194 NASDAQ ALGN Tue, Oct 20, 2009 15.61 15.90 15.12 15.22
2193 NASDAQ ALGN Mon, Oct 19, 2009 15.72 15.80 15.46 15.60
2192 NASDAQ ALGN Fri, Oct 16, 2009 15.77 15.81 15.46 15.63
2191 NASDAQ ALGN Thu, Oct 15, 2009 15.91 16.09 15.66 15.82
2190 NASDAQ ALGN Wed, Oct 14, 2009 16.19 16.19 15.83 15.92
2189 NASDAQ ALGN Tue, Oct 13, 2009 16.05 16.14 15.87 16.09
2188 NASDAQ ALGN Mon, Oct 12, 2009 16.18 16.34 15.88 16.02
2187 NASDAQ ALGN Fri, Oct 9, 2009 15.91 16.26 15.77 16.25
2186 NASDAQ ALGN Thu, Oct 8, 2009 16.33 16.45 15.90 15.93
2185 NASDAQ ALGN Wed, Oct 7, 2009 15.98 16.32 15.78 16.29
2184 NASDAQ ALGN Tue, Oct 6, 2009 15.85 16.42 15.55 16.25
2183 NASDAQ ALGN Mon, Oct 5, 2009 15.17 15.90 15.17 15.76
2182 NASDAQ ALGN Fri, Oct 2, 2009 14.43 15.35 14.32 15.07
2181 NASDAQ ALGN Thu, Oct 1, 2009 14.68 14.91 14.18 14.60
2180 NASDAQ ALGN Wed, Sep 30, 2009 14.31 14.39 13.70 14.22
2179 NASDAQ ALGN Tue, Sep 29, 2009 14.60 14.70 14.15 14.35
2178 NASDAQ ALGN Mon, Sep 28, 2009 14.73 14.91 14.51 14.63
2177 NASDAQ ALGN Fri, Sep 25, 2009 14.65 14.83 14.40 14.57
2176 NASDAQ ALGN Thu, Sep 24, 2009 14.40 14.67 14.40 14.61
2175 NASDAQ ALGN Wed, Sep 23, 2009 14.06 14.27 13.90 14.00
2174 NASDAQ ALGN Tue, Sep 22, 2009 14.07 14.31 13.90 14.00
2173 NASDAQ ALGN Mon, Sep 21, 2009 13.58 14.50 13.43 14.03
2172 NASDAQ ALGN Fri, Sep 18, 2009 13.54 13.80 13.44 13.68
2171 NASDAQ ALGN Thu, Sep 17, 2009 13.50 13.68 13.44 13.51
2170 NASDAQ ALGN Wed, Sep 16, 2009 13.61 13.74 13.40 13.53
2169 NASDAQ ALGN Tue, Sep 15, 2009 13.67 13.77 13.47 13.61
2168 NASDAQ ALGN Mon, Sep 14, 2009 13.50 13.87 13.42 13.72
2167 NASDAQ ALGN Fri, Sep 11, 2009 13.50 13.70 13.35 13.62
2166 NASDAQ ALGN Thu, Sep 10, 2009 13.42 13.68 13.26 13.45
2165 NASDAQ ALGN Wed, Sep 9, 2009 13.19 13.47 13.14 13.34
2164 NASDAQ ALGN Tue, Sep 8, 2009 13.13 13.37 12.99 13.16
2163 NASDAQ ALGN Fri, Sep 4, 2009 13.06 13.10 12.74 13.08
2162 NASDAQ ALGN Thu, Sep 3, 2009 13.08 13.18 12.70 13.05
2161 NASDAQ ALGN Wed, Sep 2, 2009 12.83 13.17 12.70 13.07
2160 NASDAQ ALGN Tue, Sep 1, 2009 13.26 13.62 12.75 12.91
2159 NASDAQ ALGN Mon, Aug 31, 2009 13.36 13.56 13.08 13.40
2158 NASDAQ ALGN Fri, Aug 28, 2009 13.37 13.78 13.37 13.50
2157 NASDAQ ALGN Thu, Aug 27, 2009 13.81 13.88 13.47 13.75
2156 NASDAQ ALGN Wed, Aug 26, 2009 13.71 14.00 13.31 13.78
2155 NASDAQ ALGN Tue, Aug 25, 2009 13.56 13.96 13.56 13.76
2154 NASDAQ ALGN Mon, Aug 24, 2009 13.30 13.67 13.08 13.60
2153 NASDAQ ALGN Fri, Aug 21, 2009 13.35 13.85 13.09 13.31
2152 NASDAQ ALGN Thu, Aug 20, 2009 13.12 13.25 12.82 13.18
2151 NASDAQ ALGN Wed, Aug 19, 2009 12.44 13.45 12.18 13.19
2150 NASDAQ ALGN Tue, Aug 18, 2009 12.95 12.95 12.26 12.61
2149 NASDAQ ALGN Mon, Aug 17, 2009 10.64 13.35 10.57 13.00
2148 NASDAQ ALGN Fri, Aug 14, 2009 10.34 10.37 9.85 10.13
2147 NASDAQ ALGN Thu, Aug 13, 2009 10.94 10.94 10.23 10.38
2146 NASDAQ ALGN Wed, Aug 12, 2009 9.95 11.07 9.87 10.92
2145 NASDAQ ALGN Tue, Aug 11, 2009 10.39 10.45 9.91 9.97
2144 NASDAQ ALGN Mon, Aug 10, 2009 10.05 10.42 9.80 10.41
2143 NASDAQ ALGN Fri, Aug 7, 2009 10.00 10.31 9.85 10.13
2142 NASDAQ ALGN Thu, Aug 6, 2009 10.47 10.47 9.75 9.83
2141 NASDAQ ALGN Wed, Aug 5, 2009 11.04 11.04 10.38 10.40
2140 NASDAQ ALGN Tue, Aug 4, 2009 11.16 11.26 10.97 11.13
2139 NASDAQ ALGN Mon, Aug 3, 2009 10.88 11.20 10.76 11.19
2138 NASDAQ ALGN Fri, Jul 31, 2009 11.03 11.30 10.90 10.91
2137 NASDAQ ALGN Thu, Jul 30, 2009 11.19 11.40 10.97 11.10
2136 NASDAQ ALGN Wed, Jul 29, 2009 10.91 11.10 10.83 11.02
2135 NASDAQ ALGN Tue, Jul 28, 2009 11.40 11.73 10.90 11.04
2134 NASDAQ ALGN Mon, Jul 27, 2009 11.50 12.07 11.27 11.56
2133 NASDAQ ALGN Fri, Jul 24, 2009 11.49 11.49 10.58 11.46
2132 NASDAQ ALGN Thu, Jul 23, 2009 9.31 9.52 9.18 9.46
2131 NASDAQ ALGN Wed, Jul 22, 2009 9.25 9.49 9.23 9.34
2130 NASDAQ ALGN Tue, Jul 21, 2009 10.31 10.36 9.25 9.36
2129 NASDAQ ALGN Mon, Jul 20, 2009 10.35 10.47 10.30 10.43
2128 NASDAQ ALGN Fri, Jul 17, 2009 10.24 10.38 10.01 10.30
2127 NASDAQ ALGN Thu, Jul 16, 2009 9.93 10.33 9.89 10.21
2126 NASDAQ ALGN Wed, Jul 15, 2009 9.83 10.08 9.78 10.00
2125 NASDAQ ALGN Tue, Jul 14, 2009 9.73 9.79 9.61 9.69
2124 NASDAQ ALGN Mon, Jul 13, 2009 9.36 9.76 9.21 9.76
2123 NASDAQ ALGN Fri, Jul 10, 2009 9.25 9.45 9.15 9.35
2122 NASDAQ ALGN Thu, Jul 9, 2009 9.46 9.66 9.23 9.27
2121 NASDAQ ALGN Wed, Jul 8, 2009 9.69 9.84 9.27 9.39
2120 NASDAQ ALGN Tue, Jul 7, 2009 10.08 10.18 9.68 9.68
2119 NASDAQ ALGN Mon, Jul 6, 2009 10.22 10.34 9.95 10.11
2118 NASDAQ ALGN Thu, Jul 2, 2009 10.67 10.70 10.38 10.42
2117 NASDAQ ALGN Wed, Jul 1, 2009 10.72 10.93 10.60 10.79
2116 NASDAQ ALGN Tue, Jun 30, 2009 10.90 10.96 10.58 10.60
2115 NASDAQ ALGN Mon, Jun 29, 2009 10.88 11.08 10.63 10.96
2114 NASDAQ ALGN Fri, Jun 26, 2009 10.23 10.90 10.15 10.81
2113 NASDAQ ALGN Thu, Jun 25, 2009 10.49 10.84 10.49 10.82
2112 NASDAQ ALGN Wed, Jun 24, 2009 10.25 10.70 10.25 10.59
2111 NASDAQ ALGN Tue, Jun 23, 2009 10.52 10.69 10.10 10.24
2110 NASDAQ ALGN Mon, Jun 22, 2009 9.82 9.94 9.43 9.49
2109 NASDAQ ALGN Fri, Jun 19, 2009 9.93 10.36 9.84 9.91
2108 NASDAQ ALGN Thu, Jun 18, 2009 9.75 9.94 9.54 9.83
2107 NASDAQ ALGN Wed, Jun 17, 2009 9.76 9.98 9.67 9.75
2106 NASDAQ ALGN Tue, Jun 16, 2009 10.34 10.45 9.70 9.81
2105 NASDAQ ALGN Mon, Jun 15, 2009 10.91 10.97 10.25 10.46
2104 NASDAQ ALGN Fri, Jun 12, 2009 11.15 11.34 10.78 10.98
2103 NASDAQ ALGN Thu, Jun 11, 2009 11.33 11.45 11.13 11.14
2102 NASDAQ ALGN Wed, Jun 10, 2009 11.43 11.70 11.02 11.27
2101 NASDAQ ALGN Tue, Jun 9, 2009 11.00 11.42 10.89 11.33
2100 NASDAQ ALGN Mon, Jun 8, 2009 11.19 11.21 10.77 10.97
2099 NASDAQ ALGN Fri, Jun 5, 2009 11.86 11.99 11.01 11.08
2098 NASDAQ ALGN Thu, Jun 4, 2009 12.19 12.25 11.65 11.80
2097 NASDAQ ALGN Wed, Jun 3, 2009 12.65 12.79 11.99 12.09
2096 NASDAQ ALGN Tue, Jun 2, 2009 12.46 12.91 12.38 12.71
2095 NASDAQ ALGN Mon, Jun 1, 2009 12.08 12.64 12.08 12.55
2094 NASDAQ ALGN Fri, May 29, 2009 11.70 11.90 11.58 11.83
2093 NASDAQ ALGN Thu, May 28, 2009 12.06 12.11 11.52 11.70
2092 NASDAQ ALGN Wed, May 27, 2009 12.01 12.21 11.81 12.01
2091 NASDAQ ALGN Tue, May 26, 2009 11.92 12.33 11.66 12.18
2090 NASDAQ ALGN Fri, May 22, 2009 11.84 12.16 11.76 11.97
2089 NASDAQ ALGN Thu, May 21, 2009 11.67 11.93 11.31 11.81
2088 NASDAQ ALGN Wed, May 20, 2009 12.11 12.43 11.87 11.92
2087 NASDAQ ALGN Tue, May 19, 2009 11.95 12.12 11.70 12.06
2086 NASDAQ ALGN Mon, May 18, 2009 11.63 11.91 11.38 11.87
2085 NASDAQ ALGN Fri, May 15, 2009 11.50 11.73 11.21 11.56
2084 NASDAQ ALGN Thu, May 14, 2009 11.10 11.69 11.07 11.54
2083 NASDAQ ALGN Wed, May 13, 2009 11.39 11.72 11.09 11.20
2082 NASDAQ ALGN Tue, May 12, 2009 12.29 12.29 11.35 11.58
2081 NASDAQ ALGN Mon, May 11, 2009 12.34 12.53 11.66 12.26
2080 NASDAQ ALGN Fri, May 8, 2009 12.15 12.54 12.13 12.54
2079 NASDAQ ALGN Thu, May 7, 2009 12.05 12.24 11.80 12.02
2078 NASDAQ ALGN Wed, May 6, 2009 12.51 12.54 11.59 11.93
2077 NASDAQ ALGN Tue, May 5, 2009 12.30 12.49 12.20 12.43
2076 NASDAQ ALGN Mon, May 4, 2009 12.20 12.34 11.97 12.33
2075 NASDAQ ALGN Fri, May 1, 2009 12.57 12.71 11.85 12.06
2074 NASDAQ ALGN Thu, Apr 30, 2009 12.51 12.83 12.30 12.41
2073 NASDAQ ALGN Wed, Apr 29, 2009 11.94 12.57 11.75 12.46
2072 NASDAQ ALGN Tue, Apr 28, 2009 11.83 11.99 11.63 11.83
2071 NASDAQ ALGN Mon, Apr 27, 2009 12.00 12.06 11.67 11.89
2070 NASDAQ ALGN Fri, Apr 24, 2009 11.45 12.44 11.44 12.12
2069 NASDAQ ALGN Thu, Apr 23, 2009 10.25 10.54 10.00 10.34
2068 NASDAQ ALGN Wed, Apr 22, 2009 9.78 10.37 9.78 10.17
2067 NASDAQ ALGN Tue, Apr 21, 2009 9.62 9.99 9.41 9.96
2066 NASDAQ ALGN Mon, Apr 20, 2009 9.78 9.97 9.43 9.70
2065 NASDAQ ALGN Fri, Apr 17, 2009 9.88 10.07 9.71 10.00
2064 NASDAQ ALGN Thu, Apr 16, 2009 9.73 9.93 9.60 9.86
2063 NASDAQ ALGN Wed, Apr 15, 2009 9.29 9.75 8.87 9.68
2062 NASDAQ ALGN Tue, Apr 14, 2009 8.68 9.38 8.50 9.32
2061 NASDAQ ALGN Mon, Apr 13, 2009 8.54 8.87 8.48 8.83
2060 NASDAQ ALGN Thu, Apr 9, 2009 8.39 8.80 8.26 8.68
2059 NASDAQ ALGN Wed, Apr 8, 2009 7.85 8.22 7.79 8.21
2058 NASDAQ ALGN Tue, Apr 7, 2009 7.98 7.98 7.68 7.82
2057 NASDAQ ALGN Mon, Apr 6, 2009 8.02 8.18 7.95 8.09
2056 NASDAQ ALGN Fri, Apr 3, 2009 8.10 8.22 7.96 8.09
2055 NASDAQ ALGN Thu, Apr 2, 2009 7.95 8.39 7.72 8.14
2054 NASDAQ ALGN Wed, Apr 1, 2009 7.83 7.91 7.62 7.85
2053 NASDAQ ALGN Tue, Mar 31, 2009 8.00 8.23 7.89 7.93
2052 NASDAQ ALGN Mon, Mar 30, 2009 7.96 8.17 7.72 7.99
2051 NASDAQ ALGN Fri, Mar 27, 2009 8.29 8.37 7.91 8.19
2050 NASDAQ ALGN Thu, Mar 26, 2009 7.91 8.26 7.68 8.20
2049 NASDAQ ALGN Wed, Mar 25, 2009 7.56 8.05 7.48 7.91
2048 NASDAQ ALGN Tue, Mar 24, 2009 7.53 7.70 7.47 7.58
2047 NASDAQ ALGN Mon, Mar 23, 2009 7.09 7.66 6.97 7.66
2046 NASDAQ ALGN Fri, Mar 20, 2009 7.57 7.71 6.85 6.91
2045 NASDAQ ALGN Thu, Mar 19, 2009 8.04 8.04 7.50 7.54
2044 NASDAQ ALGN Wed, Mar 18, 2009 7.57 8.06 7.45 7.97
2043 NASDAQ ALGN Tue, Mar 17, 2009 7.27 7.65 7.08 7.65
2042 NASDAQ ALGN Mon, Mar 16, 2009 7.57 7.73 7.25 7.29
2041 NASDAQ ALGN Fri, Mar 13, 2009 7.46 7.76 7.22 7.59
2040 NASDAQ ALGN Thu, Mar 12, 2009 6.72 7.53 6.53 7.51
2039 NASDAQ ALGN Wed, Mar 11, 2009 6.94 7.17 6.58 6.71
2038 NASDAQ ALGN Tue, Mar 10, 2009 6.38 7.03 6.31 6.88
2037 NASDAQ ALGN Mon, Mar 9, 2009 6.37 6.49 6.16 6.30
2036 NASDAQ ALGN Fri, Mar 6, 2009 6.47 6.47 6.10 6.41
2035 NASDAQ ALGN Thu, Mar 5, 2009 7.00 7.00 6.36 6.42
2034 NASDAQ ALGN Wed, Mar 4, 2009 6.88 7.20 6.70 7.04
2033 NASDAQ ALGN Tue, Mar 3, 2009 6.36 6.85 6.35 6.78
2032 NASDAQ ALGN Mon, Mar 2, 2009 6.81 6.83 6.25 6.28
2031 NASDAQ ALGN Fri, Feb 27, 2009 7.16 7.40 6.85 6.85
2030 NASDAQ ALGN Thu, Feb 26, 2009 7.59 7.80 7.20 7.22
2029 NASDAQ ALGN Wed, Feb 25, 2009 7.99 8.00 7.46 7.55
2028 NASDAQ ALGN Tue, Feb 24, 2009 7.89 8.15 7.75 8.06
2027 NASDAQ ALGN Mon, Feb 23, 2009 7.70 7.98 7.70 7.82
2026 NASDAQ ALGN Fri, Feb 20, 2009 7.87 8.32 7.73 7.81
2025 NASDAQ ALGN Thu, Feb 19, 2009 8.12 8.25 7.92 7.93
2024 NASDAQ ALGN Wed, Feb 18, 2009 8.45 8.61 8.02 8.03
2023 NASDAQ ALGN Tue, Feb 17, 2009 8.58 8.72 8.26 8.42
2022 NASDAQ ALGN Fri, Feb 13, 2009 8.64 8.95 8.53 8.85
2021 NASDAQ ALGN Thu, Feb 12, 2009 8.50 8.67 8.31 8.61
2020 NASDAQ ALGN Wed, Feb 11, 2009 8.55 8.70 8.43 8.58
2019 NASDAQ ALGN Tue, Feb 10, 2009 8.58 9.19 8.46 8.54
2018 NASDAQ ALGN Mon, Feb 9, 2009 8.78 8.81 8.42 8.61
2017 NASDAQ ALGN Fri, Feb 6, 2009 8.51 8.98 8.49 8.85
2016 NASDAQ ALGN Thu, Feb 5, 2009 8.09 8.58 8.00 8.54
2015 NASDAQ ALGN Wed, Feb 4, 2009 8.25 8.44 8.06 8.19
2014 NASDAQ ALGN Tue, Feb 3, 2009 8.05 8.36 8.05 8.27
2013 NASDAQ ALGN Mon, Feb 2, 2009 7.71 8.15 7.71 8.02
2012 NASDAQ ALGN Fri, Jan 30, 2009 7.50 8.12 7.50 7.88
2011 NASDAQ ALGN Thu, Jan 29, 2009 7.60 8.55 7.48 7.66
2010 NASDAQ ALGN Wed, Jan 28, 2009 8.24 8.30 7.68 7.82
2009 NASDAQ ALGN Tue, Jan 27, 2009 8.45 8.61 7.95 8.15
2008 NASDAQ ALGN Mon, Jan 26, 2009 8.45 8.75 8.28 8.47
2007 NASDAQ ALGN Fri, Jan 23, 2009 8.51 8.56 8.25 8.41
2006 NASDAQ ALGN Thu, Jan 22, 2009 8.65 8.88 8.31 8.73
2005 NASDAQ ALGN Wed, Jan 21, 2009 8.42 8.93 8.30 8.84
2004 NASDAQ ALGN Tue, Jan 20, 2009 9.29 9.29 8.31 8.36
2003 NASDAQ ALGN Fri, Jan 16, 2009 9.31 9.31 8.86 9.25
2002 NASDAQ ALGN Thu, Jan 15, 2009 9.00 9.27 8.64 9.25
2001 NASDAQ ALGN Wed, Jan 14, 2009 9.00 9.30 8.61 9.03
2000 NASDAQ ALGN Tue, Jan 13, 2009 9.18 9.67 9.12 9.21
1999 NASDAQ ALGN Mon, Jan 12, 2009 8.85 9.35 8.85 9.21
1998 NASDAQ ALGN Fri, Jan 9, 2009 9.04 9.20 8.75 8.82
1997 NASDAQ ALGN Thu, Jan 8, 2009 9.30 9.35 8.74 9.01
1996 NASDAQ ALGN Wed, Jan 7, 2009 9.48 9.59 9.20 9.36
1995 NASDAQ ALGN Tue, Jan 6, 2009 9.33 9.63 9.07 9.60
1994 NASDAQ ALGN Mon, Jan 5, 2009 8.94 9.35 8.35 9.25
1993 NASDAQ ALGN Fri, Jan 2, 2009 8.52 9.06 8.52 8.89
1992 NASDAQ ALGN Wed, Dec 31, 2008 8.30 8.81 8.03 8.75
1991 NASDAQ ALGN Tue, Dec 30, 2008 8.16 8.31 8.08 8.27
1990 NASDAQ ALGN Mon, Dec 29, 2008 8.21 8.26 7.93 8.06
1989 NASDAQ ALGN Fri, Dec 26, 2008 8.29 8.30 7.91 8.21
1988 NASDAQ ALGN Wed, Dec 24, 2008 8.13 8.36 7.97 8.24
1987 NASDAQ ALGN Tue, Dec 23, 2008 8.21 8.44 8.07 8.15
1986 NASDAQ ALGN Mon, Dec 22, 2008 8.49 8.52 7.80 8.16
1985 NASDAQ ALGN Fri, Dec 19, 2008 8.43 8.75 8.10 8.47
1984 NASDAQ ALGN Thu, Dec 18, 2008 8.24 8.49 8.11 8.24
1983 NASDAQ ALGN Wed, Dec 17, 2008 8.07 8.38 7.80 8.32
1982 NASDAQ ALGN Tue, Dec 16, 2008 7.67 8.23 7.40 8.18
1981 NASDAQ ALGN Mon, Dec 15, 2008 7.88 8.14 7.51 7.57
1980 NASDAQ ALGN Fri, Dec 12, 2008 7.52 7.85 7.39 7.85
1979 NASDAQ ALGN Thu, Dec 11, 2008 8.14 8.14 7.53 7.67
1978 NASDAQ ALGN Wed, Dec 10, 2008 7.72 8.26 7.72 8.26
1977 NASDAQ ALGN Tue, Dec 9, 2008 7.58 8.68 7.58 7.60
1976 NASDAQ ALGN Mon, Dec 8, 2008 7.58 7.94 7.56 7.62
1975 NASDAQ ALGN Fri, Dec 5, 2008 6.89 7.39 6.74 7.39
1974 NASDAQ ALGN Thu, Dec 4, 2008 7.35 7.90 6.91 7.01
1973 NASDAQ ALGN Wed, Dec 3, 2008 6.66 7.47 6.66 7.42
1972 NASDAQ ALGN Tue, Dec 2, 2008 7.00 7.23 6.72 6.83
1971 NASDAQ ALGN Mon, Dec 1, 2008 6.79 7.04 6.63 6.87
1970 NASDAQ ALGN Fri, Nov 28, 2008 7.26 7.51 6.92 7.00
1969 NASDAQ ALGN Wed, Nov 26, 2008 6.85 7.36 6.85 7.34
1968 NASDAQ ALGN Tue, Nov 25, 2008 7.07 7.12 6.85 7.00
1967 NASDAQ ALGN Mon, Nov 24, 2008 6.46 7.01 6.13 7.01
1966 NASDAQ ALGN Fri, Nov 21, 2008 6.22 6.44 5.67 6.39
1965 NASDAQ ALGN Thu, Nov 20, 2008 6.10 6.64 6.09 6.13
1964 NASDAQ ALGN Wed, Nov 19, 2008 6.97 7.13 6.12 6.12
1963 NASDAQ ALGN Tue, Nov 18, 2008 6.80 7.07 6.80 6.99
1962 NASDAQ ALGN Mon, Nov 17, 2008 6.82 7.06 6.75 6.79
1961 NASDAQ ALGN Fri, Nov 14, 2008 7.05 7.45 6.80 6.87
1960 NASDAQ ALGN Thu, Nov 13, 2008 6.54 7.19 6.34 7.16
1959 NASDAQ ALGN Wed, Nov 12, 2008 6.66 7.01 6.49 6.51
1958 NASDAQ ALGN Tue, Nov 11, 2008 6.81 7.04 6.55 6.75
1957 NASDAQ ALGN Mon, Nov 10, 2008 7.04 7.28 6.77 6.86
1956 NASDAQ ALGN Fri, Nov 7, 2008 6.92 7.00 6.61 6.89
1955 NASDAQ ALGN Thu, Nov 6, 2008 6.99 7.06 6.83 6.85
1954 NASDAQ ALGN Wed, Nov 5, 2008 6.94 7.19 6.81 6.90
1953 NASDAQ ALGN Tue, Nov 4, 2008 7.21 7.30 6.88 7.01
1952 NASDAQ ALGN Mon, Nov 3, 2008 6.90 7.01 6.70 7.00
1951 NASDAQ ALGN Fri, Oct 31, 2008 6.88 7.02 6.74 6.93
1950 NASDAQ ALGN Thu, Oct 30, 2008 6.92 7.17 6.62 6.89
1949 NASDAQ ALGN Wed, Oct 29, 2008 5.98 7.79 5.92 6.76
1948 NASDAQ ALGN Tue, Oct 28, 2008 5.59 6.00 5.36 5.98
1947 NASDAQ ALGN Mon, Oct 27, 2008 5.77 5.77 5.43 5.48
1946 NASDAQ ALGN Fri, Oct 24, 2008 4.96 6.05 4.88 5.62
1945 NASDAQ ALGN Thu, Oct 23, 2008 5.50 5.64 4.96 5.00
1944 NASDAQ ALGN Wed, Oct 22, 2008 5.66 5.85 5.38 5.48
1943 NASDAQ ALGN Tue, Oct 21, 2008 6.05 6.23 5.77 5.78
1942 NASDAQ ALGN Mon, Oct 20, 2008 6.24 6.50 5.94 6.16
1941 NASDAQ ALGN Fri, Oct 17, 2008 6.20 8.69 6.00 6.08
1940 NASDAQ ALGN Thu, Oct 16, 2008 6.13 6.50 5.83 6.46
1939 NASDAQ ALGN Wed, Oct 15, 2008 6.38 6.71 6.03 6.08
1938 NASDAQ ALGN Tue, Oct 14, 2008 7.11 7.23 6.34 6.46
1937 NASDAQ ALGN Mon, Oct 13, 2008 6.88 7.22 6.68 6.93
1936 NASDAQ ALGN Fri, Oct 10, 2008 7.03 7.09 5.59 6.77
1935 NASDAQ ALGN Thu, Oct 9, 2008 8.50 8.84 6.89 7.01
1934 NASDAQ ALGN Wed, Oct 8, 2008 7.99 8.79 7.91 8.39
1933 NASDAQ ALGN Tue, Oct 7, 2008 8.63 8.97 7.98 8.23
1932 NASDAQ ALGN Mon, Oct 6, 2008 9.01 9.06 7.91 8.51
1931 NASDAQ ALGN Fri, Oct 3, 2008 9.93 10.40 9.04 9.11
1930 NASDAQ ALGN Thu, Oct 2, 2008 10.51 10.72 9.68 9.78
1929 NASDAQ ALGN Wed, Oct 1, 2008 10.75 10.88 10.37 10.48
1928 NASDAQ ALGN Tue, Sep 30, 2008 10.47 10.87 10.47 10.83
1927 NASDAQ ALGN Mon, Sep 29, 2008 11.02 11.15 10.45 10.45
1926 NASDAQ ALGN Fri, Sep 26, 2008 10.98 11.27 10.89 11.23
1925 NASDAQ ALGN Thu, Sep 25, 2008 11.08 11.46 11.02 11.13
1924 NASDAQ ALGN Wed, Sep 24, 2008 11.71 12.00 11.09 11.09
1923 NASDAQ ALGN Tue, Sep 23, 2008 12.21 12.64 11.60 11.67
1922 NASDAQ ALGN Mon, Sep 22, 2008 13.16 13.16 12.20 12.20
1921 NASDAQ ALGN Fri, Sep 19, 2008 13.34 13.46 12.75 13.00
1920 NASDAQ ALGN Thu, Sep 18, 2008 12.58 12.75 12.00 12.62
1919 NASDAQ ALGN Wed, Sep 17, 2008 13.11 13.29 12.37 12.45
1918 NASDAQ ALGN Tue, Sep 16, 2008 12.91 13.27 12.54 13.25
1917 NASDAQ ALGN Mon, Sep 15, 2008 12.85 13.11 12.67 12.83
1916 NASDAQ ALGN Fri, Sep 12, 2008 13.34 13.45 13.11 13.19
1915 NASDAQ ALGN Thu, Sep 11, 2008 13.23 13.55 12.85 13.38
1914 NASDAQ ALGN Wed, Sep 10, 2008 13.44 13.44 13.01 13.32
1913 NASDAQ ALGN Tue, Sep 9, 2008 13.34 13.73 13.19 13.31
1912 NASDAQ ALGN Mon, Sep 8, 2008 13.32 13.36 12.90 13.30
1911 NASDAQ ALGN Fri, Sep 5, 2008 13.14 13.24 12.84 12.96
1910 NASDAQ ALGN Thu, Sep 4, 2008 13.42 13.52 12.95 13.14
1909 NASDAQ ALGN Wed, Sep 3, 2008 13.43 13.66 13.37 13.48
1908 NASDAQ ALGN Tue, Sep 2, 2008 13.18 13.74 13.04 13.42
1907 NASDAQ ALGN Fri, Aug 29, 2008 13.00 13.14 12.90 13.04
1906 NASDAQ ALGN Thu, Aug 28, 2008 12.68 13.18 12.62 13.14
1905 NASDAQ ALGN Wed, Aug 27, 2008 12.62 12.83 12.55 12.70
1904 NASDAQ ALGN Tue, Aug 26, 2008 12.58 12.94 12.47 12.64
1903 NASDAQ ALGN Mon, Aug 25, 2008 12.92 12.99 12.56 12.62
1902 NASDAQ ALGN Fri, Aug 22, 2008 12.48 13.00 12.48 12.96
1901 NASDAQ ALGN Thu, Aug 21, 2008 12.20 12.61 12.20 12.41
1900 NASDAQ ALGN Wed, Aug 20, 2008 12.30 12.84 12.10 12.33
1899 NASDAQ ALGN Tue, Aug 19, 2008 12.72 12.83 12.06 12.29
1898 NASDAQ ALGN Mon, Aug 18, 2008 13.04 13.19 12.69 12.82
1897 NASDAQ ALGN Fri, Aug 15, 2008 12.96 13.13 12.86 13.02
1896 NASDAQ ALGN Thu, Aug 14, 2008 12.72 13.00 12.72 12.81
1895 NASDAQ ALGN Wed, Aug 13, 2008 12.82 13.05 12.52 12.82
1894 NASDAQ ALGN Tue, Aug 12, 2008 12.76 13.03 12.72 12.88
1893 NASDAQ ALGN Mon, Aug 11, 2008 12.16 13.19 11.95 12.84
1892 NASDAQ ALGN Fri, Aug 8, 2008 11.70 12.35 11.56 12.31
1891 NASDAQ ALGN Thu, Aug 7, 2008 11.28 11.77 11.09 11.72
1890 NASDAQ ALGN Wed, Aug 6, 2008 10.91 11.37 10.73 11.35
1889 NASDAQ ALGN Tue, Aug 5, 2008 10.66 10.97 10.41 10.95
1888 NASDAQ ALGN Mon, Aug 4, 2008 10.50 10.55 10.26 10.51
1887 NASDAQ ALGN Fri, Aug 1, 2008 9.94 10.70 9.91 10.54
1886 NASDAQ ALGN Thu, Jul 31, 2008 10.01 10.09 9.80 10.01
1885 NASDAQ ALGN Wed, Jul 30, 2008 9.10 10.62 9.02 10.17
1884 NASDAQ ALGN Tue, Jul 29, 2008 11.26 11.56 10.94 11.19
1883 NASDAQ ALGN Mon, Jul 28, 2008 11.47 11.52 11.08 11.26
1882 NASDAQ ALGN Fri, Jul 25, 2008 11.78 11.96 11.46 11.52
1881 NASDAQ ALGN Thu, Jul 24, 2008 11.75 11.87 11.59 11.67
1880 NASDAQ ALGN Wed, Jul 23, 2008 11.47 11.78 11.25 11.70
1879 NASDAQ ALGN Tue, Jul 22, 2008 11.03 11.68 10.91 11.62
1878 NASDAQ ALGN Mon, Jul 21, 2008 11.47 11.69 10.98 11.04
1877 NASDAQ ALGN Fri, Jul 18, 2008 12.15 12.15 11.39 11.45
1876 NASDAQ ALGN Thu, Jul 17, 2008 11.40 12.24 11.34 12.16
1875 NASDAQ ALGN Wed, Jul 16, 2008 10.71 11.33 10.56 11.26
1874 NASDAQ ALGN Tue, Jul 15, 2008 10.41 11.14 10.38 10.79
1873 NASDAQ ALGN Mon, Jul 14, 2008 10.79 10.93 10.27 10.51
1872 NASDAQ ALGN Fri, Jul 11, 2008 10.12 10.75 10.01 10.68
1871 NASDAQ ALGN Thu, Jul 10, 2008 10.92 11.08 10.10 10.23
1870 NASDAQ ALGN Wed, Jul 9, 2008 11.44 11.44 10.87 10.87
1869 NASDAQ ALGN Tue, Jul 8, 2008 11.17 11.52 11.16 11.30
1868 NASDAQ ALGN Mon, Jul 7, 2008 11.25 11.44 11.01 11.13
1867 NASDAQ ALGN Thu, Jul 3, 2008 11.20 11.30 10.92 11.16
1866 NASDAQ ALGN Wed, Jul 2, 2008 10.85 11.39 10.84 11.22
1865 NASDAQ ALGN Tue, Jul 1, 2008 10.38 10.86 10.19 10.84
1864 NASDAQ ALGN Mon, Jun 30, 2008 10.73 10.92 10.47 10.49
1863 NASDAQ ALGN Fri, Jun 27, 2008 10.87 11.03 10.68 10.71
1862 NASDAQ ALGN Thu, Jun 26, 2008 11.15 11.22 10.75 10.91
1861 NASDAQ ALGN Wed, Jun 25, 2008 11.30 11.72 11.06 11.31
1860 NASDAQ ALGN Tue, Jun 24, 2008 11.60 11.74 10.96 11.07
1859 NASDAQ ALGN Mon, Jun 23, 2008 12.21 12.21 11.62 11.69
1858 NASDAQ ALGN Fri, Jun 20, 2008 12.67 12.68 11.96 12.12
1857 NASDAQ ALGN Thu, Jun 19, 2008 12.36 12.80 12.23 12.75
1856 NASDAQ ALGN Wed, Jun 18, 2008 12.89 12.95 12.32 12.37
1855 NASDAQ ALGN Tue, Jun 17, 2008 12.25 13.01 12.07 12.93
1854 NASDAQ ALGN Mon, Jun 16, 2008 12.28 12.31 12.04 12.25
1853 NASDAQ ALGN Fri, Jun 13, 2008 12.16 12.30 12.05 12.30
1852 NASDAQ ALGN Thu, Jun 12, 2008 11.76 12.16 11.76 12.02
1851 NASDAQ ALGN Wed, Jun 11, 2008 12.04 12.29 11.67 11.67
1850 NASDAQ ALGN Tue, Jun 10, 2008 12.49 12.52 11.97 12.10
1849 NASDAQ ALGN Mon, Jun 9, 2008 12.90 12.97 12.30 12.61
1848 NASDAQ ALGN Fri, Jun 6, 2008 13.07 13.13 12.81 12.90
1847 NASDAQ ALGN Thu, Jun 5, 2008 13.10 13.31 12.70 13.19
1846 NASDAQ ALGN Wed, Jun 4, 2008 13.08 13.35 12.93 13.11
1845 NASDAQ ALGN Tue, Jun 3, 2008 13.14 13.32 12.97 13.06
1844 NASDAQ ALGN Mon, Jun 2, 2008 13.20 13.45 12.98 13.06
1843 NASDAQ ALGN Fri, May 30, 2008 13.18 13.25 12.86 13.17
1842 NASDAQ ALGN Thu, May 29, 2008 12.71 13.24 12.71 13.15
1841 NASDAQ ALGN Wed, May 28, 2008 12.97 13.05 12.52 12.76
1840 NASDAQ ALGN Tue, May 27, 2008 12.76 13.10 12.75 12.96
1839 NASDAQ ALGN Fri, May 23, 2008 12.88 13.00 12.54 12.72
1838 NASDAQ ALGN Thu, May 22, 2008 12.70 13.05 12.67 12.98
1837 NASDAQ ALGN Wed, May 21, 2008 12.94 13.42 12.69 12.75
1836 NASDAQ ALGN Tue, May 20, 2008 12.87 13.13 12.65 12.89
1835 NASDAQ ALGN Mon, May 19, 2008 12.62 13.14 12.52 12.93
1834 NASDAQ ALGN Fri, May 16, 2008 12.93 12.93 12.40 12.54
1833 NASDAQ ALGN Thu, May 15, 2008 12.47 12.99 12.40 12.89
1832 NASDAQ ALGN Wed, May 14, 2008 12.51 12.74 12.50 12.50
1831 NASDAQ ALGN Tue, May 13, 2008 12.75 12.75 12.30 12.48
1830 NASDAQ ALGN Mon, May 12, 2008 12.45 12.78 12.27 12.76
1829 NASDAQ ALGN Fri, May 9, 2008 12.34 12.50 12.13 12.44
1828 NASDAQ ALGN Thu, May 8, 2008 12.13 12.55 12.05 12.26
1827 NASDAQ ALGN Wed, May 7, 2008 12.22 12.54 11.98 12.03
1826 NASDAQ ALGN Tue, May 6, 2008 12.06 12.41 12.00 12.26
1825 NASDAQ ALGN Mon, May 5, 2008 12.18 12.42 12.09 12.16
1824 NASDAQ ALGN Fri, May 2, 2008 12.32 12.69 12.19 12.19
1823 NASDAQ ALGN Thu, May 1, 2008 12.17 12.37 12.00 12.20
1822 NASDAQ ALGN Wed, Apr 30, 2008 12.23 12.79 11.90 12.28
1821 NASDAQ ALGN Tue, Apr 29, 2008 10.50 10.59 10.20 10.32
1820 NASDAQ ALGN Mon, Apr 28, 2008 9.97 10.49 9.97 10.40
1819 NASDAQ ALGN Fri, Apr 25, 2008 9.94 10.05 9.89 10.00
1818 NASDAQ ALGN Thu, Apr 24, 2008 9.87 10.05 9.65 9.88
1817 NASDAQ ALGN Wed, Apr 23, 2008 9.87 10.03 9.81 9.99
1816 NASDAQ ALGN Tue, Apr 22, 2008 10.00 10.02 9.65 9.84
1815 NASDAQ ALGN Mon, Apr 21, 2008 10.03 10.15 9.85 10.10
1814 NASDAQ ALGN Fri, Apr 18, 2008 10.00 10.05 9.94 10.03
1813 NASDAQ ALGN Thu, Apr 17, 2008 10.05 10.07 9.80 9.89
1812 NASDAQ ALGN Wed, Apr 16, 2008 10.06 10.10 9.93 10.07
1811 NASDAQ ALGN Tue, Apr 15, 2008 10.00 10.09 9.94 9.97
1810 NASDAQ ALGN Mon, Apr 14, 2008 9.90 10.05 9.87 9.97
1809 NASDAQ ALGN Fri, Apr 11, 2008 10.23 10.31 9.92 9.95
1808 NASDAQ ALGN Thu, Apr 10, 2008 10.69 10.78 10.22 10.33
1807 NASDAQ ALGN Wed, Apr 9, 2008 11.24 11.29 10.65 10.69
1806 NASDAQ ALGN Tue, Apr 8, 2008 11.34 11.34 11.10 11.14
1805 NASDAQ ALGN Mon, Apr 7, 2008 11.62 11.71 11.44 11.44
1804 NASDAQ ALGN Fri, Apr 4, 2008 11.30 11.71 11.22 11.61
1803 NASDAQ ALGN Thu, Apr 3, 2008 12.13 12.13 11.21 11.27
1802 NASDAQ ALGN Wed, Apr 2, 2008 12.45 12.52 12.14 12.22
1801 NASDAQ ALGN Tue, Apr 1, 2008 11.23 12.50 11.11 12.40
1800 NASDAQ ALGN Mon, Mar 31, 2008 11.16 11.29 11.05 11.11
1799 NASDAQ ALGN Fri, Mar 28, 2008 11.52 11.94 11.15 11.19
1798 NASDAQ ALGN Thu, Mar 27, 2008 11.66 11.79 11.45 11.62
1797 NASDAQ ALGN Wed, Mar 26, 2008 12.00 12.14 11.45 11.60
1796 NASDAQ ALGN Tue, Mar 25, 2008 12.50 12.58 11.79 12.06
1795 NASDAQ ALGN Mon, Mar 24, 2008 11.42 12.90 11.42 12.55
1794 NASDAQ ALGN Thu, Mar 20, 2008 11.33 11.61 11.03 11.39
1793 NASDAQ ALGN Wed, Mar 19, 2008 11.64 11.90 11.18 11.18
1792 NASDAQ ALGN Tue, Mar 18, 2008 10.55 11.68 10.34 11.53
1791 NASDAQ ALGN Mon, Mar 17, 2008 10.95 11.10 10.34 10.34
1790 NASDAQ ALGN Fri, Mar 14, 2008 11.54 11.69 10.87 10.92
1789 NASDAQ ALGN Thu, Mar 13, 2008 11.19 11.57 10.88 11.46
1788 NASDAQ ALGN Wed, Mar 12, 2008 11.24 11.63 11.19 11.33
1787 NASDAQ ALGN Tue, Mar 11, 2008 11.12 11.28 10.94 11.22
1786 NASDAQ ALGN Mon, Mar 10, 2008 11.15 11.18 10.86 10.89
1785 NASDAQ ALGN Fri, Mar 7, 2008 11.42 11.47 10.96 11.10
1784 NASDAQ ALGN Thu, Mar 6, 2008 11.86 11.98 11.57 11.59
1783 NASDAQ ALGN Wed, Mar 5, 2008 12.00 12.05 11.84 11.90
1782 NASDAQ ALGN Tue, Mar 4, 2008 12.01 12.09 11.79 11.96
1781 NASDAQ ALGN Mon, Mar 3, 2008 12.38 12.44 12.00 12.04
1780 NASDAQ ALGN Fri, Feb 29, 2008 12.71 12.72 12.30 12.35
1779 NASDAQ ALGN Thu, Feb 28, 2008 13.26 13.36 12.80 12.84
1778 NASDAQ ALGN Wed, Feb 27, 2008 12.92 13.45 12.78 13.41
1777 NASDAQ ALGN Tue, Feb 26, 2008 12.89 13.17 12.71 13.02
1776 NASDAQ ALGN Mon, Feb 25, 2008 12.75 13.13 12.74 12.95
1775 NASDAQ ALGN Fri, Feb 22, 2008 12.86 12.94 12.59 12.82
1774 NASDAQ ALGN Thu, Feb 21, 2008 12.88 13.40 12.78 12.81
1773 NASDAQ ALGN Wed, Feb 20, 2008 13.13 13.20 12.74 13.00
1772 NASDAQ ALGN Tue, Feb 19, 2008 13.13 13.50 13.09 13.20
1771 NASDAQ ALGN Fri, Feb 15, 2008 13.00 13.05 12.73 13.02
1770 NASDAQ ALGN Thu, Feb 14, 2008 13.42 13.48 12.71 12.91
1769 NASDAQ ALGN Wed, Feb 13, 2008 13.30 13.48 13.09 13.19
1768 NASDAQ ALGN Tue, Feb 12, 2008 13.06 13.29 12.85 13.25
1767 NASDAQ ALGN Mon, Feb 11, 2008 13.01 13.10 12.73 13.09
1766 NASDAQ ALGN Fri, Feb 8, 2008 13.16 13.49 12.95 13.01
1765 NASDAQ ALGN Thu, Feb 7, 2008 13.26 13.45 12.94 13.16
1764 NASDAQ ALGN Wed, Feb 6, 2008 12.84 13.62 12.56 13.39
1763 NASDAQ ALGN Tue, Feb 5, 2008 12.51 12.98 12.51 12.71
1762 NASDAQ ALGN Mon, Feb 4, 2008 12.05 12.80 12.05 12.70
1761 NASDAQ ALGN Fri, Feb 1, 2008 11.59 12.40 11.57 12.06
1760 NASDAQ ALGN Thu, Jan 31, 2008 11.60 12.03 11.39 11.78
1759 NASDAQ ALGN Wed, Jan 30, 2008 10.96 12.40 10.80 11.93
1758 NASDAQ ALGN Tue, Jan 29, 2008 13.14 14.85 13.04 14.00
1757 NASDAQ ALGN Mon, Jan 28, 2008 13.75 13.90 12.82 12.99
1756 NASDAQ ALGN Fri, Jan 25, 2008 13.26 14.01 13.21 13.87
1755 NASDAQ ALGN Thu, Jan 24, 2008 13.61 13.69 13.09 13.12
1754 NASDAQ ALGN Wed, Jan 23, 2008 12.65 13.67 12.57 13.48
1753 NASDAQ ALGN Tue, Jan 22, 2008 12.96 13.15 12.16 12.98
1752 NASDAQ ALGN Fri, Jan 18, 2008 13.55 13.70 13.25 13.40
1751 NASDAQ ALGN Thu, Jan 17, 2008 14.30 14.31 13.42 13.50
1750 NASDAQ ALGN Wed, Jan 16, 2008 13.95 14.59 13.93 14.22
1749 NASDAQ ALGN Tue, Jan 15, 2008 14.49 14.58 13.90 13.96
1748 NASDAQ ALGN Mon, Jan 14, 2008 14.90 15.05 14.50 14.70
1747 NASDAQ ALGN Fri, Jan 11, 2008 15.11 15.36 14.71 14.77
1746 NASDAQ ALGN Thu, Jan 10, 2008 15.72 15.72 14.85 15.26
1745 NASDAQ ALGN Wed, Jan 9, 2008 15.43 15.97 15.29 15.93
1744 NASDAQ ALGN Tue, Jan 8, 2008 16.19 16.45 15.33 15.34
1743 NASDAQ ALGN Mon, Jan 7, 2008 16.45 16.57 15.96 16.14
1742 NASDAQ ALGN Fri, Jan 4, 2008 16.33 16.83 16.24 16.50
1741 NASDAQ ALGN Thu, Jan 3, 2008 16.54 17.02 16.49 16.55
1740 NASDAQ ALGN Wed, Jan 2, 2008 16.68 17.22 16.34 16.47
1739 NASDAQ ALGN Mon, Dec 31, 2007 17.24 17.24 16.53 16.68
1738 NASDAQ ALGN Fri, Dec 28, 2007 17.24 17.85 17.05 17.15
1737 NASDAQ ALGN Thu, Dec 27, 2007 18.07 18.14 17.14 17.14
1736 NASDAQ ALGN Wed, Dec 26, 2007 17.81 18.18 17.55 18.15
1735 NASDAQ ALGN Mon, Dec 24, 2007 17.62 18.03 17.50 17.95
1734 NASDAQ ALGN Fri, Dec 21, 2007 17.99 18.19 17.39 17.62
1733 NASDAQ ALGN Thu, Dec 20, 2007 17.25 17.82 17.25 17.75
1732 NASDAQ ALGN Wed, Dec 19, 2007 17.24 17.29 16.96 17.08
1731 NASDAQ ALGN Tue, Dec 18, 2007 17.51 17.57 16.99 17.24
1730 NASDAQ ALGN Mon, Dec 17, 2007 17.66 17.91 17.33 17.34
1729 NASDAQ ALGN Fri, Dec 14, 2007 17.91 18.52 17.63 17.77
1728 NASDAQ ALGN Thu, Dec 13, 2007 18.18 18.36 17.89 18.00
1727 NASDAQ ALGN Wed, Dec 12, 2007 18.70 18.92 17.93 18.34
1726 NASDAQ ALGN Tue, Dec 11, 2007 18.89 19.13 17.96 18.12
1725 NASDAQ ALGN Mon, Dec 10, 2007 18.59 19.11 18.59 18.83
1724 NASDAQ ALGN Fri, Dec 7, 2007 18.42 19.88 18.29 18.62
1723 NASDAQ ALGN Thu, Dec 6, 2007 16.81 17.64 16.81 17.55
1722 NASDAQ ALGN Wed, Dec 5, 2007 16.71 17.00 16.71 16.84
1721 NASDAQ ALGN Tue, Dec 4, 2007 16.30 16.83 16.24 16.52
1720 NASDAQ ALGN Mon, Dec 3, 2007 16.82 16.92 16.29 16.34
1719 NASDAQ ALGN Fri, Nov 30, 2007 16.34 17.19 16.28 16.89
1718 NASDAQ ALGN Thu, Nov 29, 2007 16.32 16.59 16.00 16.19
1717 NASDAQ ALGN Wed, Nov 28, 2007 15.83 16.37 15.75 16.33
1716 NASDAQ ALGN Tue, Nov 27, 2007 15.15 15.73 15.10 15.64
1715 NASDAQ ALGN Mon, Nov 26, 2007 14.75 15.54 14.70 15.26
1714 NASDAQ ALGN Fri, Nov 23, 2007 14.75 14.98 14.62 14.80
1713 NASDAQ ALGN Wed, Nov 21, 2007 15.78 15.86 14.66 14.69
1712 NASDAQ ALGN Tue, Nov 20, 2007 15.47 16.05 15.43 15.90
1711 NASDAQ ALGN Mon, Nov 19, 2007 15.67 15.78 15.37 15.53
1710 NASDAQ ALGN Fri, Nov 16, 2007 16.21 16.38 15.72 15.87
1709 NASDAQ ALGN Thu, Nov 15, 2007 17.41 17.41 16.06 16.17
1708 NASDAQ ALGN Wed, Nov 14, 2007 17.45 17.70 17.30 17.46
1707 NASDAQ ALGN Tue, Nov 13, 2007 17.31 17.46 17.12 17.30
1706 NASDAQ ALGN Mon, Nov 12, 2007 17.51 17.65 17.01 17.11
1705 NASDAQ ALGN Fri, Nov 9, 2007 16.74 17.82 16.60 17.63
1704 NASDAQ ALGN Thu, Nov 8, 2007 18.74 18.89 16.36 17.04
1703 NASDAQ ALGN Wed, Nov 7, 2007 19.03 19.25 18.69 18.71
1702 NASDAQ ALGN Tue, Nov 6, 2007 19.12 19.45 18.96 19.34
1701 NASDAQ ALGN Mon, Nov 5, 2007 19.19 19.75 18.82 19.09
1700 NASDAQ ALGN Fri, Nov 2, 2007 20.15 20.25 19.46 19.51
1699 NASDAQ ALGN Thu, Nov 1, 2007 20.48 20.69 19.82 19.87
1698 NASDAQ ALGN Wed, Oct 31, 2007 20.00 21.02 19.86 20.70
1697 NASDAQ ALGN Tue, Oct 30, 2007 20.15 20.15 19.68 19.91
1696 NASDAQ ALGN Mon, Oct 29, 2007 18.86 20.89 18.85 20.15
1695 NASDAQ ALGN Fri, Oct 26, 2007 18.75 19.16 18.00 18.85
1694 NASDAQ ALGN Thu, Oct 25, 2007 22.50 22.75 18.78 19.07
1693 NASDAQ ALGN Wed, Oct 24, 2007 28.69 28.96 27.87 28.70
1692 NASDAQ ALGN Tue, Oct 23, 2007 27.85 28.79 27.73 28.48
1691 NASDAQ ALGN Mon, Oct 22, 2007 26.84 27.75 26.63 27.58
1690 NASDAQ ALGN Fri, Oct 19, 2007 28.10 28.14 26.91 27.05
1689 NASDAQ ALGN Thu, Oct 18, 2007 28.28 28.46 27.64 28.09
1688 NASDAQ ALGN Wed, Oct 17, 2007 28.50 29.30 27.75 28.14
1687 NASDAQ ALGN Tue, Oct 16, 2007 26.69 27.34 26.66 27.16
1686 NASDAQ ALGN Mon, Oct 15, 2007 27.81 27.95 26.61 26.77
1685 NASDAQ ALGN Fri, Oct 12, 2007 27.37 27.80 27.32 27.62
1684 NASDAQ ALGN Thu, Oct 11, 2007 28.30 28.59 26.90 27.04
1683 NASDAQ ALGN Wed, Oct 10, 2007 27.68 28.25 27.55 28.21
1682 NASDAQ ALGN Tue, Oct 9, 2007 28.51 28.54 27.58 27.84
1681 NASDAQ ALGN Mon, Oct 8, 2007 28.30 28.64 28.10 28.49
1680 NASDAQ ALGN Fri, Oct 5, 2007 27.99 28.63 27.91 28.46
1679 NASDAQ ALGN Thu, Oct 4, 2007 27.17 28.00 27.17 27.74
1678 NASDAQ ALGN Wed, Oct 3, 2007 26.62 27.30 25.90 27.11
1677 NASDAQ ALGN Tue, Oct 2, 2007 27.04 27.17 26.16 26.74
1676 NASDAQ ALGN Mon, Oct 1, 2007 25.22 27.49 25.02 27.06
1675 NASDAQ ALGN Fri, Sep 28, 2007 25.86 26.11 25.21 25.33
1674 NASDAQ ALGN Thu, Sep 27, 2007 26.02 26.17 25.73 25.88
1673 NASDAQ ALGN Wed, Sep 26, 2007 25.48 26.24 25.46 25.98
1672 NASDAQ ALGN Tue, Sep 25, 2007 25.44 25.82 25.22 25.27
1671 NASDAQ ALGN Mon, Sep 24, 2007 25.60 25.80 25.45 25.59
1670 NASDAQ ALGN Fri, Sep 21, 2007 24.71 25.97 24.39 25.56
1669 NASDAQ ALGN Thu, Sep 20, 2007 24.24 24.69 24.24 24.48
1668 NASDAQ ALGN Wed, Sep 19, 2007 24.26 24.50 24.14 24.26
1667 NASDAQ ALGN Tue, Sep 18, 2007 23.70 24.23 23.35 24.11
1666 NASDAQ ALGN Mon, Sep 17, 2007 23.74 24.07 23.56 23.60
1665 NASDAQ ALGN Fri, Sep 14, 2007 24.31 24.53 23.76 23.90
1664 NASDAQ ALGN Thu, Sep 13, 2007 24.99 25.12 24.50 24.54
1663 NASDAQ ALGN Wed, Sep 12, 2007 24.25 25.01 24.10 24.69
1662 NASDAQ ALGN Tue, Sep 11, 2007 24.06 24.50 23.59 24.24
1661 NASDAQ ALGN Mon, Sep 10, 2007 24.04 24.12 23.25 24.00
1660 NASDAQ ALGN Fri, Sep 7, 2007 24.19 24.42 23.77 23.84
1659 NASDAQ ALGN Thu, Sep 6, 2007 24.04 24.98 23.94 24.52
1658 NASDAQ ALGN Wed, Sep 5, 2007 23.26 24.03 23.26 24.01
1657 NASDAQ ALGN Tue, Sep 4, 2007 22.65 23.57 22.60 23.46
1656 NASDAQ ALGN Fri, Aug 31, 2007 22.62 22.87 22.27 22.73
1655 NASDAQ ALGN Thu, Aug 30, 2007 22.25 22.93 22.21 22.71
1654 NASDAQ ALGN Wed, Aug 29, 2007 22.00 22.85 21.55 22.55
1653 NASDAQ ALGN Tue, Aug 28, 2007 23.68 23.70 22.69 22.72
1652 NASDAQ ALGN Mon, Aug 27, 2007 23.70 24.67 23.70 23.92
1651 NASDAQ ALGN Fri, Aug 24, 2007 25.77 25.83 21.74 23.42
1650 NASDAQ ALGN Thu, Aug 23, 2007 26.44 26.48 25.69 25.79
1649 NASDAQ ALGN Wed, Aug 22, 2007 26.35 26.85 26.21 26.26
1648 NASDAQ ALGN Tue, Aug 21, 2007 25.51 26.30 25.35 26.12
1647 NASDAQ ALGN Mon, Aug 20, 2007 25.86 26.33 25.21 25.54
1646 NASDAQ ALGN Fri, Aug 17, 2007 25.99 26.20 24.52 25.80
1645 NASDAQ ALGN Thu, Aug 16, 2007 26.17 26.18 22.24 24.99
1644 NASDAQ ALGN Wed, Aug 15, 2007 26.53 27.00 26.16 26.16
1643 NASDAQ ALGN Tue, Aug 14, 2007 26.13 26.98 26.06 26.57
1642 NASDAQ ALGN Mon, Aug 13, 2007 26.69 27.00 25.13 26.04
1641 NASDAQ ALGN Fri, Aug 10, 2007 26.57 26.99 25.80 26.48
1640 NASDAQ ALGN Thu, Aug 9, 2007 26.91 28.34 26.70 26.93
1639 NASDAQ ALGN Wed, Aug 8, 2007 27.49 27.50 26.85 27.29
1638 NASDAQ ALGN Tue, Aug 7, 2007 26.51 27.26 26.19 27.04
1637 NASDAQ ALGN Mon, Aug 6, 2007 26.01 26.91 24.88 26.90
1636 NASDAQ ALGN Fri, Aug 3, 2007 26.56 26.72 25.57 25.64
1635 NASDAQ ALGN Thu, Aug 2, 2007 25.69 26.71 25.63 26.56
1634 NASDAQ ALGN Wed, Aug 1, 2007 25.96 26.48 25.67 25.95
1633 NASDAQ ALGN Tue, Jul 31, 2007 27.18 27.24 26.07 26.10
1632 NASDAQ ALGN Mon, Jul 30, 2007 27.20 27.36 26.36 27.01
1631 NASDAQ ALGN Fri, Jul 27, 2007 27.47 27.94 26.82 27.08
1630 NASDAQ ALGN Thu, Jul 26, 2007 27.41 28.07 27.17 27.62
1629 NASDAQ ALGN Wed, Jul 25, 2007 29.68 29.71 26.87 27.69
1628 NASDAQ ALGN Tue, Jul 24, 2007 26.16 27.36 25.65 25.84
1627 NASDAQ ALGN Mon, Jul 23, 2007 26.18 26.19 25.85 26.00
1626 NASDAQ ALGN Fri, Jul 20, 2007 25.96 26.06 25.95 26.02
1625 NASDAQ ALGN Thu, Jul 19, 2007 26.01 26.15 25.76 26.01
1624 NASDAQ ALGN Wed, Jul 18, 2007 26.14 26.26 25.78 25.98
1623 NASDAQ ALGN Tue, Jul 17, 2007 26.09 26.45 25.80 26.25
1622 NASDAQ ALGN Mon, Jul 16, 2007 25.97 26.15 25.81 25.97
1621 NASDAQ ALGN Fri, Jul 13, 2007 25.55 26.02 25.50 25.80
1620 NASDAQ ALGN Thu, Jul 12, 2007 25.94 26.29 25.51 25.72
1619 NASDAQ ALGN Wed, Jul 11, 2007 24.40 25.78 24.35 25.74
1618 NASDAQ ALGN Tue, Jul 10, 2007 24.61 24.67 24.34 24.46
1617 NASDAQ ALGN Mon, Jul 9, 2007 24.64 24.88 24.55 24.73
1616 NASDAQ ALGN Fri, Jul 6, 2007 24.46 24.68 24.31 24.55
1615 NASDAQ ALGN Thu, Jul 5, 2007 24.35 24.70 24.25 24.50
1614 NASDAQ ALGN Tue, Jul 3, 2007 24.35 24.45 24.12 24.35
1613 NASDAQ ALGN Mon, Jul 2, 2007 24.23 24.51 24.09 24.30
1612 NASDAQ ALGN Fri, Jun 29, 2007 24.44 24.65 24.10 24.16
1611 NASDAQ ALGN Thu, Jun 28, 2007 23.91 24.68 23.91 24.41
1610 NASDAQ ALGN Wed, Jun 27, 2007 23.45 23.91 23.08 23.88
1609 NASDAQ ALGN Tue, Jun 26, 2007 23.65 23.90 23.35 23.66
1608 NASDAQ ALGN Mon, Jun 25, 2007 24.13 24.34 23.48 23.59
1607 NASDAQ ALGN Fri, Jun 22, 2007 24.74 24.87 24.09 24.26
1606 NASDAQ ALGN Thu, Jun 21, 2007 24.47 24.96 24.23 24.89
1605 NASDAQ ALGN Wed, Jun 20, 2007 24.72 24.86 24.45 24.57
1604 NASDAQ ALGN Tue, Jun 19, 2007 24.77 24.85 24.51 24.65
1603 NASDAQ ALGN Mon, Jun 18, 2007 24.52 24.91 24.11 24.83
1602 NASDAQ ALGN Fri, Jun 15, 2007 24.70 25.29 24.37 24.50
1601 NASDAQ ALGN Thu, Jun 14, 2007 23.71 24.65 23.71 24.44
1600 NASDAQ ALGN Wed, Jun 13, 2007 23.11 24.07 23.03 23.68
1599 NASDAQ ALGN Tue, Jun 12, 2007 23.36 23.48 22.89 23.03
1598 NASDAQ ALGN Mon, Jun 11, 2007 23.01 23.54 22.85 23.44
1597 NASDAQ ALGN Fri, Jun 8, 2007 22.20 23.12 22.19 23.11
1596 NASDAQ ALGN Thu, Jun 7, 2007 23.11 23.13 21.79 22.25
1595 NASDAQ ALGN Wed, Jun 6, 2007 23.23 23.28 22.99 23.03
1594 NASDAQ ALGN Tue, Jun 5, 2007 23.41 23.74 22.99 23.22
1593 NASDAQ ALGN Mon, Jun 4, 2007 22.54 23.40 22.54 23.38
1592 NASDAQ ALGN Fri, Jun 1, 2007 22.99 23.35 22.42 22.70
1591 NASDAQ ALGN Thu, May 31, 2007 22.95 23.83 22.63 22.79
1590 NASDAQ ALGN Wed, May 30, 2007 22.39 23.01 22.30 22.94
1589 NASDAQ ALGN Tue, May 29, 2007 22.70 22.70 22.21 22.60
1588 NASDAQ ALGN Fri, May 25, 2007 22.42 22.68 22.18 22.64
1587 NASDAQ ALGN Thu, May 24, 2007 22.51 22.75 22.10 22.30
1586 NASDAQ ALGN Wed, May 23, 2007 22.59 23.05 22.51 22.67
1585 NASDAQ ALGN Tue, May 22, 2007 22.77 23.00 22.48 22.51
1584 NASDAQ ALGN Mon, May 21, 2007 22.44 23.09 22.30 22.68
1583 NASDAQ ALGN Fri, May 18, 2007 22.29 22.50 22.10 22.36
1582 NASDAQ ALGN Thu, May 17, 2007 22.53 22.58 21.99 22.22
1581 NASDAQ ALGN Wed, May 16, 2007 22.37 22.63 22.09 22.60
1580 NASDAQ ALGN Tue, May 15, 2007 22.54 23.00 22.17 22.34
1579 NASDAQ ALGN Mon, May 14, 2007 23.01 23.10 22.38 22.61
1578 NASDAQ ALGN Fri, May 11, 2007 22.70 23.37 22.53 23.10
1577 NASDAQ ALGN Thu, May 10, 2007 23.27 23.31 22.52 22.58
1576 NASDAQ ALGN Wed, May 9, 2007 23.17 23.39 23.01 23.32
1575 NASDAQ ALGN Tue, May 8, 2007 23.40 24.19 23.09 23.33
1574 NASDAQ ALGN Mon, May 7, 2007 23.34 23.60 23.30 23.47
1573 NASDAQ ALGN Fri, May 4, 2007 24.05 24.05 23.06 23.50
1572 NASDAQ ALGN Thu, May 3, 2007 23.30 24.18 23.28 23.93
1571 NASDAQ ALGN Wed, May 2, 2007 23.86 24.01 23.25 23.40
1570 NASDAQ ALGN Tue, May 1, 2007 22.70 23.95 22.60 23.90
1569 NASDAQ ALGN Mon, Apr 30, 2007 22.95 23.37 22.57 22.66
1568 NASDAQ ALGN Fri, Apr 27, 2007 23.57 24.28 22.96 23.87
1567 NASDAQ ALGN Thu, Apr 26, 2007 22.18 23.94 22.17 23.60
1566 NASDAQ ALGN Wed, Apr 25, 2007 17.46 17.79 17.03 17.69
1565 NASDAQ ALGN Tue, Apr 24, 2007 17.34 17.45 17.00 17.31
1564 NASDAQ ALGN Mon, Apr 23, 2007 17.58 17.75 17.02 17.45
1563 NASDAQ ALGN Fri, Apr 20, 2007 16.15 17.06 16.00 16.75
1562 NASDAQ ALGN Thu, Apr 19, 2007 16.54 16.63 15.88 15.95
1561 NASDAQ ALGN Wed, Apr 18, 2007 16.82 16.94 16.55 16.56
1560 NASDAQ ALGN Tue, Apr 17, 2007 17.04 17.10 16.80 16.93
1559 NASDAQ ALGN Mon, Apr 16, 2007 16.95 17.09 16.84 17.06
1558 NASDAQ ALGN Fri, Apr 13, 2007 16.66 16.92 16.59 16.92
1557 NASDAQ ALGN Thu, Apr 12, 2007 16.75 16.92 16.58 16.69
1556 NASDAQ ALGN Wed, Apr 11, 2007 17.28 17.28 16.63 16.82
1555 NASDAQ ALGN Tue, Apr 10, 2007 16.53 17.29 16.53 17.21
1554 NASDAQ ALGN Mon, Apr 9, 2007 16.70 16.73 16.32 16.62
1553 NASDAQ ALGN Thu, Apr 5, 2007 16.61 16.72 16.43 16.70
1552 NASDAQ ALGN Wed, Apr 4, 2007 16.53 16.67 16.29 16.54
1551 NASDAQ ALGN Tue, Apr 3, 2007 15.74 16.66 15.70 16.57
1550 NASDAQ ALGN Mon, Apr 2, 2007 15.88 15.89 15.45 15.74
1549 NASDAQ ALGN Fri, Mar 30, 2007 16.13 16.13 15.72 15.86
1548 NASDAQ ALGN Thu, Mar 29, 2007 16.31 16.32 15.94 16.15
1547 NASDAQ ALGN Wed, Mar 28, 2007 16.08 16.51 16.07 16.25
1546 NASDAQ ALGN Tue, Mar 27, 2007 16.17 16.32 16.03 16.22
1545 NASDAQ ALGN Mon, Mar 26, 2007 16.38 16.53 16.10 16.25
1544 NASDAQ ALGN Fri, Mar 23, 2007 16.44 16.50 16.26 16.43
1543 NASDAQ ALGN Thu, Mar 22, 2007 16.54 16.54 16.16 16.43
1542 NASDAQ ALGN Wed, Mar 21, 2007 16.07 16.48 15.97 16.45
1541 NASDAQ ALGN Tue, Mar 20, 2007 16.38 16.44 15.99 16.06
1540 NASDAQ ALGN Mon, Mar 19, 2007 16.10 16.50 16.00 16.38
1539 NASDAQ ALGN Fri, Mar 16, 2007 16.57 16.66 15.97 16.00
1538 NASDAQ ALGN Thu, Mar 15, 2007 16.73 16.95 16.49 16.58
1537 NASDAQ ALGN Wed, Mar 14, 2007 16.18 16.83 16.18 16.70
1536 NASDAQ ALGN Tue, Mar 13, 2007 16.74 16.97 16.11 16.22
1535 NASDAQ ALGN Mon, Mar 12, 2007 16.55 16.91 16.55 16.79
1534 NASDAQ ALGN Fri, Mar 9, 2007 16.62 16.63 16.36 16.59
1533 NASDAQ ALGN Thu, Mar 8, 2007 16.26 16.58 16.23 16.52
1532 NASDAQ ALGN Wed, Mar 7, 2007 16.42 16.68 16.05 16.07
1531 NASDAQ ALGN Tue, Mar 6, 2007 16.44 16.80 16.29 16.40
1530 NASDAQ ALGN Mon, Mar 5, 2007 16.39 16.66 16.20 16.23
1529 NASDAQ ALGN Fri, Mar 2, 2007 16.29 16.52 16.28 16.46
1528 NASDAQ ALGN Thu, Mar 1, 2007 16.08 16.71 16.01 16.31
1527 NASDAQ ALGN Wed, Feb 28, 2007 16.31 16.52 15.90 16.42
1526 NASDAQ ALGN Tue, Feb 27, 2007 16.71 16.87 16.30 16.33
1525 NASDAQ ALGN Mon, Feb 26, 2007 17.19 17.34 16.92 16.98
1524 NASDAQ ALGN Fri, Feb 23, 2007 17.43 17.43 17.09 17.26
1523 NASDAQ ALGN Thu, Feb 22, 2007 17.66 17.77 17.30 17.51
1522 NASDAQ ALGN Wed, Feb 21, 2007 17.73 17.89 17.51 17.58
1521 NASDAQ ALGN Tue, Feb 20, 2007 17.48 17.95 17.46 17.88
1520 NASDAQ ALGN Fri, Feb 16, 2007 17.45 17.63 17.25 17.56
1519 NASDAQ ALGN Thu, Feb 15, 2007 16.97 17.55 16.90 17.46
1518 NASDAQ ALGN Wed, Feb 14, 2007 16.96 17.42 16.75 16.96
1517 NASDAQ ALGN Tue, Feb 13, 2007 16.87 17.16 16.60 16.99
1516 NASDAQ ALGN Mon, Feb 12, 2007 16.99 17.00 16.30 16.75
1515 NASDAQ ALGN Fri, Feb 9, 2007 16.56 16.62 16.01 16.22
1514 NASDAQ ALGN Thu, Feb 8, 2007 16.40 16.66 16.22 16.52
1513 NASDAQ ALGN Wed, Feb 7, 2007 16.39 16.59 16.25 16.42
1512 NASDAQ ALGN Tue, Feb 6, 2007 16.21 16.70 16.15 16.33
1511 NASDAQ ALGN Mon, Feb 5, 2007 16.11 16.40 16.10 16.22
1510 NASDAQ ALGN Fri, Feb 2, 2007 16.19 16.55 16.16 16.47
1509 NASDAQ ALGN Thu, Feb 1, 2007 16.03 16.65 15.98 16.61
1508 NASDAQ ALGN Wed, Jan 31, 2007 16.52 16.91 15.87 16.56
1507 NASDAQ ALGN Tue, Jan 30, 2007 15.76 17.01 15.76 16.69
1506 NASDAQ ALGN Mon, Jan 29, 2007 14.08 14.08 13.53 13.77
1505 NASDAQ ALGN Fri, Jan 26, 2007 14.03 14.17 13.75 13.99
1504 NASDAQ ALGN Thu, Jan 25, 2007 14.22 14.25 13.84 13.99
1503 NASDAQ ALGN Wed, Jan 24, 2007 14.16 14.25 14.07 14.17
1502 NASDAQ ALGN Tue, Jan 23, 2007 14.02 14.23 13.97 14.11
1501 NASDAQ ALGN Mon, Jan 22, 2007 14.40 14.42 13.97 14.00
1500 NASDAQ ALGN Fri, Jan 19, 2007 14.31 14.49 14.22 14.44
1499 NASDAQ ALGN Thu, Jan 18, 2007 14.23 14.47 14.23 14.35
1498 NASDAQ ALGN Wed, Jan 17, 2007 14.32 14.54 14.23 14.27
1497 NASDAQ ALGN Tue, Jan 16, 2007 14.51 14.72 14.22 14.35
1496 NASDAQ ALGN Fri, Jan 12, 2007 14.19 14.73 14.19 14.51
1495 NASDAQ ALGN Thu, Jan 11, 2007 13.94 14.22 13.91 14.10
1494 NASDAQ ALGN Wed, Jan 10, 2007 13.58 13.94 13.51 13.89
1493 NASDAQ ALGN Tue, Jan 9, 2007 13.66 13.87 13.57 13.70
1492 NASDAQ ALGN Mon, Jan 8, 2007 13.62 13.76 13.20 13.68
1491 NASDAQ ALGN Fri, Jan 5, 2007 13.55 13.71 13.46 13.64
1490 NASDAQ ALGN Thu, Jan 4, 2007 13.44 13.66 13.31 13.60
1489 NASDAQ ALGN Wed, Jan 3, 2007 13.97 14.08 13.07 13.35
1488 NASDAQ ALGN Fri, Dec 29, 2006 14.01 14.01 13.72 13.97
1487 NASDAQ ALGN Thu, Dec 28, 2006 14.12 14.12 13.89 13.99
1486 NASDAQ ALGN Wed, Dec 27, 2006 14.15 14.25 14.01 14.11
1485 NASDAQ ALGN Tue, Dec 26, 2006 13.92 14.14 13.88 14.09
1484 NASDAQ ALGN Fri, Dec 22, 2006 13.90 14.07 13.80 13.97
1483 NASDAQ ALGN Thu, Dec 21, 2006 14.00 14.23 13.76 13.96
1482 NASDAQ ALGN Wed, Dec 20, 2006 12.99 13.54 12.99 13.51
1481 NASDAQ ALGN Tue, Dec 19, 2006 13.01 13.10 12.78 12.96
1480 NASDAQ ALGN Mon, Dec 18, 2006 13.57 13.59 13.01 13.13
1479 NASDAQ ALGN Fri, Dec 15, 2006 13.80 13.90 13.36 13.52
1478 NASDAQ ALGN Thu, Dec 14, 2006 13.46 13.84 13.34 13.61
1477 NASDAQ ALGN Wed, Dec 13, 2006 13.73 13.96 13.47 13.50
1476 NASDAQ ALGN Tue, Dec 12, 2006 14.00 14.21 13.69 13.71
1475 NASDAQ ALGN Mon, Dec 11, 2006 14.09 14.25 13.99 14.02
1474 NASDAQ ALGN Fri, Dec 8, 2006 14.00 14.34 13.91 14.16
1473 NASDAQ ALGN Thu, Dec 7, 2006 14.11 14.20 14.00 14.05
1472 NASDAQ ALGN Wed, Dec 6, 2006 14.14 14.28 13.98 14.07
1471 NASDAQ ALGN Tue, Dec 5, 2006 13.59 14.25 13.45 14.22
1470 NASDAQ ALGN Mon, Dec 4, 2006 13.09 13.60 13.00 13.51
1469 NASDAQ ALGN Fri, Dec 1, 2006 13.05 13.30 13.00 13.08
1468 NASDAQ ALGN Thu, Nov 30, 2006 13.15 13.25 12.99 13.12
1467 NASDAQ ALGN Wed, Nov 29, 2006 13.10 13.34 13.07 13.25
1466 NASDAQ ALGN Tue, Nov 28, 2006 13.00 13.13 12.81 13.08
1465 NASDAQ ALGN Mon, Nov 27, 2006 13.15 13.24 12.90 13.00
1464 NASDAQ ALGN Fri, Nov 24, 2006 13.25 13.34 13.07 13.22
1463 NASDAQ ALGN Wed, Nov 22, 2006 13.15 13.64 13.15 13.35
1462 NASDAQ ALGN Tue, Nov 21, 2006 13.00 13.25 12.94 13.15
1461 NASDAQ ALGN Mon, Nov 20, 2006 12.94 13.06 12.82 13.01
1460 NASDAQ ALGN Fri, Nov 17, 2006 12.95 12.99 12.70 12.95
1459 NASDAQ ALGN Thu, Nov 16, 2006 12.91 13.04 12.83 12.95
1458 NASDAQ ALGN Wed, Nov 15, 2006 12.82 13.22 12.78 12.96
1457 NASDAQ ALGN Tue, Nov 14, 2006 12.65 12.90 12.57 12.85
1456 NASDAQ ALGN Mon, Nov 13, 2006 12.74 12.97 12.55 12.67
1455 NASDAQ ALGN Fri, Nov 10, 2006 12.71 12.83 12.60 12.83
1454 NASDAQ ALGN Thu, Nov 9, 2006 13.16 13.17 12.60 12.76
1453 NASDAQ ALGN Wed, Nov 8, 2006 13.10 13.20 12.80 13.17
1452 NASDAQ ALGN Tue, Nov 7, 2006 12.95 13.44 12.92 13.22
1451 NASDAQ ALGN Mon, Nov 6, 2006 12.91 13.06 12.81 12.99
1450 NASDAQ ALGN Fri, Nov 3, 2006 13.06 13.21 12.83 13.00
1449 NASDAQ ALGN Thu, Nov 2, 2006 12.92 13.36 12.92 12.99
1448 NASDAQ ALGN Wed, Nov 1, 2006 13.78 13.85 12.85 12.92
1447 NASDAQ ALGN Tue, Oct 31, 2006 13.90 14.16 13.74 13.86
1446 NASDAQ ALGN Mon, Oct 30, 2006 14.21 14.66 13.96 14.53
1445 NASDAQ ALGN Fri, Oct 27, 2006 14.35 14.58 14.27 14.50
1444 NASDAQ ALGN Thu, Oct 26, 2006 14.20 14.50 14.10 14.38
1443 NASDAQ ALGN Wed, Oct 25, 2006 13.75 14.42 13.22 14.22
1442 NASDAQ ALGN Tue, Oct 24, 2006 14.19 14.19 13.76 14.13
1441 NASDAQ ALGN Mon, Oct 23, 2006 14.02 14.28 13.83 14.12
1440 NASDAQ ALGN Fri, Oct 20, 2006 14.18 14.22 13.91 14.12
1439 NASDAQ ALGN Thu, Oct 19, 2006 13.97 14.15 13.80 14.13
1438 NASDAQ ALGN Wed, Oct 18, 2006 14.83 14.94 13.83 14.04
1437 NASDAQ ALGN Tue, Oct 17, 2006 14.85 14.94 14.27 14.72
1436 NASDAQ ALGN Mon, Oct 16, 2006 15.00 15.13 14.60 14.96
1435 NASDAQ ALGN Fri, Oct 13, 2006 14.70 15.33 14.68 15.03
1434 NASDAQ ALGN Thu, Oct 12, 2006 13.95 14.71 13.87 14.66
1433 NASDAQ ALGN Wed, Oct 11, 2006 13.77 13.91 13.54 13.88
1432 NASDAQ ALGN Tue, Oct 10, 2006 13.35 13.90 13.26 13.74
1431 NASDAQ ALGN Mon, Oct 9, 2006 13.58 13.76 13.08 13.38
1430 NASDAQ ALGN Fri, Oct 6, 2006 13.00 13.65 12.79 13.61
1429 NASDAQ ALGN Thu, Oct 5, 2006 11.70 12.95 11.60 12.94
1428 NASDAQ ALGN Wed, Oct 4, 2006 11.33 11.87 11.31 11.74
1427 NASDAQ ALGN Tue, Oct 3, 2006 11.00 11.39 11.00 11.38
1426 NASDAQ ALGN Mon, Oct 2, 2006 11.30 11.56 11.03 11.31
1425 NASDAQ ALGN Fri, Sep 29, 2006 11.58 12.02 11.20 11.38
1424 NASDAQ ALGN Thu, Sep 28, 2006 12.99 13.34 10.87 11.56
1423 NASDAQ ALGN Wed, Sep 27, 2006 7.65 8.06 7.52 7.80
1422 NASDAQ ALGN Tue, Sep 26, 2006 6.95 7.79 6.95 7.65
1421 NASDAQ ALGN Mon, Sep 25, 2006 6.80 6.99 6.70 6.98
1420 NASDAQ ALGN Fri, Sep 22, 2006 6.53 7.06 6.53 6.71
1419 NASDAQ ALGN Thu, Sep 21, 2006 6.68 6.70 6.48 6.57
1418 NASDAQ ALGN Wed, Sep 20, 2006 6.64 6.73 6.55 6.64
1417 NASDAQ ALGN Tue, Sep 19, 2006 6.69 6.71 6.35 6.56
1416 NASDAQ ALGN Mon, Sep 18, 2006 6.71 6.78 6.67 6.71
1415 NASDAQ ALGN Fri, Sep 15, 2006 6.82 6.83 6.62 6.76
1414 NASDAQ ALGN Thu, Sep 14, 2006 6.70 6.76 6.60 6.76
1413 NASDAQ ALGN Wed, Sep 13, 2006 6.46 6.70 6.41 6.70
1412 NASDAQ ALGN Tue, Sep 12, 2006 6.28 6.45 6.28 6.45
1411 NASDAQ ALGN Mon, Sep 11, 2006 6.09 6.30 6.09 6.25
1410 NASDAQ ALGN Fri, Sep 8, 2006 6.22 6.23 6.10 6.15
1409 NASDAQ ALGN Thu, Sep 7, 2006 6.32 6.42 6.23 6.23
1408 NASDAQ ALGN Wed, Sep 6, 2006 6.39 6.45 6.19 6.38
1407 NASDAQ ALGN Tue, Sep 5, 2006 6.15 6.41 6.14 6.39
1406 NASDAQ ALGN Fri, Sep 1, 2006 6.26 6.31 6.06 6.11
1405 NASDAQ ALGN Thu, Aug 31, 2006 6.01 6.27 5.96 6.25
1404 NASDAQ ALGN Wed, Aug 30, 2006 6.18 6.28 5.97 6.06
1403 NASDAQ ALGN Tue, Aug 29, 2006 6.05 6.14 5.88 6.14
1402 NASDAQ ALGN Mon, Aug 28, 2006 5.67 6.08 5.67 6.01
1401 NASDAQ ALGN Fri, Aug 25, 2006 5.65 5.73 5.65 5.69
1400 NASDAQ ALGN Thu, Aug 24, 2006 5.80 5.90 5.62 5.66
1399 NASDAQ ALGN Wed, Aug 23, 2006 5.90 5.96 5.76 5.81
1398 NASDAQ ALGN Tue, Aug 22, 2006 5.85 5.95 5.84 5.89
1397 NASDAQ ALGN Mon, Aug 21, 2006 5.93 5.97 5.80 5.88
1396 NASDAQ ALGN Fri, Aug 18, 2006 5.99 6.00 5.91 5.94
1395 NASDAQ ALGN Thu, Aug 17, 2006 5.85 6.08 5.85 5.95
1394 NASDAQ ALGN Wed, Aug 16, 2006 5.99 6.00 5.86 5.89
1393 NASDAQ ALGN Tue, Aug 15, 2006 5.93 5.99 5.81 5.92
1392 NASDAQ ALGN Mon, Aug 14, 2006 5.89 5.97 5.83 5.84
1391 NASDAQ ALGN Fri, Aug 11, 2006 5.93 5.96 5.80 5.82
1390 NASDAQ ALGN Thu, Aug 10, 2006 5.90 6.09 5.90 5.97
1389 NASDAQ ALGN Wed, Aug 9, 2006 6.07 6.09 5.94 5.96
1388 NASDAQ ALGN Tue, Aug 8, 2006 6.15 6.21 5.92 6.04
1387 NASDAQ ALGN Mon, Aug 7, 2006 6.30 6.30 6.02 6.11
1386 NASDAQ ALGN Fri, Aug 4, 2006 6.60 6.75 6.19 6.34
1385 NASDAQ ALGN Thu, Aug 3, 2006 6.55 6.62 6.32 6.52
1384 NASDAQ ALGN Wed, Aug 2, 2006 6.85 6.85 6.49 6.61
1383 NASDAQ ALGN Tue, Aug 1, 2006 6.61 6.88 6.47 6.80
1382 NASDAQ ALGN Mon, Jul 31, 2006 6.78 6.83 6.62 6.76
1381 NASDAQ ALGN Fri, Jul 28, 2006 6.66 6.77 6.46 6.76
1380 NASDAQ ALGN Thu, Jul 27, 2006 6.64 6.89 6.59 6.63
1379 NASDAQ ALGN Wed, Jul 26, 2006 6.61 6.91 6.15 6.89
1378 NASDAQ ALGN Tue, Jul 25, 2006 6.65 6.81 6.52 6.74
1377 NASDAQ ALGN Mon, Jul 24, 2006 6.51 6.83 6.51 6.67
1376 NASDAQ ALGN Fri, Jul 21, 2006 6.60 6.64 6.41 6.51
1375 NASDAQ ALGN Thu, Jul 20, 2006 6.84 6.88 6.53 6.62
1374 NASDAQ ALGN Wed, Jul 19, 2006 6.58 6.98 6.51 6.84
1373 NASDAQ ALGN Tue, Jul 18, 2006 6.55 6.73 6.50 6.60
1372 NASDAQ ALGN Mon, Jul 17, 2006 6.66 6.73 6.44 6.55
1371 NASDAQ ALGN Fri, Jul 14, 2006 6.69 6.74 6.45 6.67
1370 NASDAQ ALGN Thu, Jul 13, 2006 6.75 6.86 6.62 6.66
1369 NASDAQ ALGN Wed, Jul 12, 2006 6.94 6.96 6.77 6.85
1368 NASDAQ ALGN Tue, Jul 11, 2006 6.92 7.00 6.84 6.99
1367 NASDAQ ALGN Mon, Jul 10, 2006 6.91 7.02 6.48 6.98
1366 NASDAQ ALGN Fri, Jul 7, 2006 7.31 7.44 7.09 7.20
1365 NASDAQ ALGN Thu, Jul 6, 2006 7.50 7.52 7.28 7.35
1364 NASDAQ ALGN Wed, Jul 5, 2006 7.50 7.56 7.35 7.50
1363 NASDAQ ALGN Mon, Jul 3, 2006 7.42 7.68 7.29 7.59
1362 NASDAQ ALGN Fri, Jun 30, 2006 7.29 7.39 7.18 7.39
1361 NASDAQ ALGN Thu, Jun 29, 2006 7.06 7.28 7.02 7.24
1360 NASDAQ ALGN Wed, Jun 28, 2006 7.15 7.20 7.02 7.05
1359 NASDAQ ALGN Tue, Jun 27, 2006 7.50 7.50 7.09 7.16
1358 NASDAQ ALGN Mon, Jun 26, 2006 7.53 7.58 7.40 7.49
1357 NASDAQ ALGN Fri, Jun 23, 2006 7.40 7.52 7.31 7.50
1356 NASDAQ ALGN Thu, Jun 22, 2006 7.51 7.59 7.31 7.44
1355 NASDAQ ALGN Wed, Jun 21, 2006 7.58 7.63 7.42 7.55
1354 NASDAQ ALGN Tue, Jun 20, 2006 7.58 7.68 7.53 7.62
1353 NASDAQ ALGN Mon, Jun 19, 2006 7.64 7.68 7.51 7.60
1352 NASDAQ ALGN Fri, Jun 16, 2006 7.58 7.64 7.42 7.59
1351 NASDAQ ALGN Thu, Jun 15, 2006 7.43 7.61 7.43 7.57
1350 NASDAQ ALGN Wed, Jun 14, 2006 7.66 7.66 7.27 7.39
1349 NASDAQ ALGN Tue, Jun 13, 2006 7.41 7.85 7.40 7.64
1348 NASDAQ ALGN Mon, Jun 12, 2006 7.65 7.69 7.40 7.45
1347 NASDAQ ALGN Fri, Jun 9, 2006 7.94 7.95 7.63 7.66
1346 NASDAQ ALGN Thu, Jun 8, 2006 7.84 8.00 7.62 7.93
1345 NASDAQ ALGN Wed, Jun 7, 2006 7.68 8.01 7.52 7.85
1344 NASDAQ ALGN Tue, Jun 6, 2006 7.59 7.74 7.50 7.69
1343 NASDAQ ALGN Mon, Jun 5, 2006 7.79 7.79 7.45 7.57
1342 NASDAQ ALGN Fri, Jun 2, 2006 7.52 8.15 7.52 7.79
1341 NASDAQ ALGN Thu, Jun 1, 2006 7.43 7.49 7.37 7.45
1340 NASDAQ ALGN Wed, May 31, 2006 7.37 7.48 7.32 7.39
1339 NASDAQ ALGN Tue, May 30, 2006 7.55 7.57 7.29 7.37
1338 NASDAQ ALGN Fri, May 26, 2006 7.60 7.70 7.50 7.62
1337 NASDAQ ALGN Thu, May 25, 2006 7.43 7.57 7.32 7.57
1336 NASDAQ ALGN Wed, May 24, 2006 7.14 7.37 6.98 7.35
1335 NASDAQ ALGN Tue, May 23, 2006 7.60 7.68 7.10 7.19
1334 NASDAQ ALGN Mon, May 22, 2006 7.42 7.62 7.33 7.53
1333 NASDAQ ALGN Fri, May 19, 2006 7.69 7.71 7.39 7.49
1332 NASDAQ ALGN Thu, May 18, 2006 7.75 7.84 7.66 7.66
1331 NASDAQ ALGN Wed, May 17, 2006 7.73 7.81 7.56 7.76
1330 NASDAQ ALGN Tue, May 16, 2006 7.77 7.94 7.69 7.81
1329 NASDAQ ALGN Mon, May 15, 2006 7.64 8.00 7.64 7.77
1328 NASDAQ ALGN Fri, May 12, 2006 7.92 8.00 7.52 7.75
1327 NASDAQ ALGN Thu, May 11, 2006 8.10 8.15 7.93 7.98
1326 NASDAQ ALGN Wed, May 10, 2006 8.32 8.33 8.04 8.12
1325 NASDAQ ALGN Tue, May 9, 2006 8.46 8.55 8.25 8.30
1324 NASDAQ ALGN Mon, May 8, 2006 8.62 8.67 8.46 8.51
1323 NASDAQ ALGN Fri, May 5, 2006 8.47 8.69 8.27 8.60
1322 NASDAQ ALGN Thu, May 4, 2006 8.33 8.44 8.25 8.39
1321 NASDAQ ALGN Wed, May 3, 2006 8.77 8.81 8.31 8.36
1320 NASDAQ ALGN Tue, May 2, 2006 9.35 9.40 8.68 8.77
1319 NASDAQ ALGN Mon, May 1, 2006 8.79 9.07 8.68 8.89
1318 NASDAQ ALGN Fri, Apr 28, 2006 8.49 8.85 8.37 8.79
1317 NASDAQ ALGN Thu, Apr 27, 2006 8.43 8.73 8.27 8.56
1316 NASDAQ ALGN Wed, Apr 26, 2006 9.55 9.62 8.20 8.54
1315 NASDAQ ALGN Tue, Apr 25, 2006 9.11 9.27 8.92 9.22
1314 NASDAQ ALGN Mon, Apr 24, 2006 9.20 9.27 9.09 9.16
1313 NASDAQ ALGN Fri, Apr 21, 2006 9.44 9.57 9.09 9.15
1312 NASDAQ ALGN Thu, Apr 20, 2006 9.49 9.52 9.31 9.46
1311 NASDAQ ALGN Wed, Apr 19, 2006 9.48 9.75 9.32 9.52
1310 NASDAQ ALGN Tue, Apr 18, 2006 9.00 9.53 8.99 9.43
1309 NASDAQ ALGN Mon, Apr 17, 2006 9.01 9.19 8.91 9.01
1308 NASDAQ ALGN Thu, Apr 13, 2006 9.03 9.08 8.90 9.05
1307 NASDAQ ALGN Wed, Apr 12, 2006 8.70 9.01 8.68 9.01
1306 NASDAQ ALGN Tue, Apr 11, 2006 8.94 8.95 8.72 8.74
1305 NASDAQ ALGN Mon, Apr 10, 2006 8.87 8.94 8.72 8.92
1304 NASDAQ ALGN Fri, Apr 7, 2006 8.88 9.10 8.81 8.91
1303 NASDAQ ALGN Thu, Apr 6, 2006 8.93 8.99 8.83 8.91
1302 NASDAQ ALGN Wed, Apr 5, 2006 9.02 9.07 8.88 8.98
1301 NASDAQ ALGN Tue, Apr 4, 2006 8.99 9.17 8.76 9.04
1300 NASDAQ ALGN Mon, Apr 3, 2006 9.15 9.32 8.97 9.03
1299 NASDAQ ALGN Fri, Mar 31, 2006 9.32 9.39 9.05 9.17
1298 NASDAQ ALGN Thu, Mar 30, 2006 9.21 9.43 9.05 9.33
1297 NASDAQ ALGN Wed, Mar 29, 2006 9.00 9.25 9.00 9.21
1296 NASDAQ ALGN Tue, Mar 28, 2006 9.05 9.16 8.89 9.02
1295 NASDAQ ALGN Mon, Mar 27, 2006 8.96 9.07 8.93 9.00
1294 NASDAQ ALGN Fri, Mar 24, 2006 8.70 8.99 8.69 8.97
1293 NASDAQ ALGN Thu, Mar 23, 2006 8.72 8.87 8.62 8.67
1292 NASDAQ ALGN Wed, Mar 22, 2006 8.79 8.94 8.61 8.76
1291 NASDAQ ALGN Tue, Mar 21, 2006 9.24 9.24 8.75 8.77
1290 NASDAQ ALGN Mon, Mar 20, 2006 9.05 9.45 8.77 9.23
1289 NASDAQ ALGN Fri, Mar 17, 2006 8.49 9.16 8.22 9.05
1288 NASDAQ ALGN Thu, Mar 16, 2006 8.41 8.46 8.32 8.45
1287 NASDAQ ALGN Wed, Mar 15, 2006 8.29 8.43 8.12 8.42
1286 NASDAQ ALGN Tue, Mar 14, 2006 8.36 8.36 8.16 8.26
1285 NASDAQ ALGN Mon, Mar 13, 2006 8.18 8.49 8.18 8.40
1284 NASDAQ ALGN Fri, Mar 10, 2006 7.99 8.25 7.99 8.21
1283 NASDAQ ALGN Thu, Mar 9, 2006 8.04 8.10 7.97 8.01
1282 NASDAQ ALGN Wed, Mar 8, 2006 8.10 8.17 8.01 8.07
1281 NASDAQ ALGN Tue, Mar 7, 2006 8.20 8.30 8.10 8.13
1280 NASDAQ ALGN Mon, Mar 6, 2006 8.39 8.44 8.13 8.30
1279 NASDAQ ALGN Fri, Mar 3, 2006 8.51 8.62 8.29 8.43
1278 NASDAQ ALGN Thu, Mar 2, 2006 8.50 8.70 8.34 8.58
1277 NASDAQ ALGN Wed, Mar 1, 2006 8.11 8.52 8.11 8.46
1276 NASDAQ ALGN Tue, Feb 28, 2006 8.20 8.28 8.10 8.16
1275 NASDAQ ALGN Mon, Feb 27, 2006 8.26 8.35 7.90 8.25
1274 NASDAQ ALGN Fri, Feb 24, 2006 8.30 8.40 8.17 8.38
1273 NASDAQ ALGN Thu, Feb 23, 2006 8.17 8.45 8.08 8.34
1272 NASDAQ ALGN Wed, Feb 22, 2006 8.05 8.24 7.99 8.21
1271 NASDAQ ALGN Tue, Feb 21, 2006 8.45 8.48 7.93 8.00
1270 NASDAQ ALGN Fri, Feb 17, 2006 8.35 8.50 8.27 8.41
1269 NASDAQ ALGN Thu, Feb 16, 2006 8.34 8.50 8.20 8.31
1268 NASDAQ ALGN Wed, Feb 15, 2006 8.13 8.40 8.10 8.33
1267 NASDAQ ALGN Tue, Feb 14, 2006 8.18 8.37 8.10 8.17
1266 NASDAQ ALGN Mon, Feb 13, 2006 8.19 8.24 7.96 8.12
1265 NASDAQ ALGN Fri, Feb 10, 2006 8.36 8.48 8.10 8.25
1264 NASDAQ ALGN Thu, Feb 9, 2006 7.99 8.56 7.89 8.41
1263 NASDAQ ALGN Wed, Feb 8, 2006 7.96 8.06 7.90 8.01
1262 NASDAQ ALGN Tue, Feb 7, 2006 8.01 8.08 7.75 7.90
1261 NASDAQ ALGN Mon, Feb 6, 2006 7.90 8.13 7.88 8.08
1260 NASDAQ ALGN Fri, Feb 3, 2006 7.95 8.15 7.83 7.91
1259 NASDAQ ALGN Thu, Feb 2, 2006 7.81 7.99 7.78 7.87
1258 NASDAQ ALGN Wed, Feb 1, 2006 8.06 8.19 7.81 7.88
1257 NASDAQ ALGN Tue, Jan 31, 2006 8.04 8.25 7.97 8.18
1256 NASDAQ ALGN Mon, Jan 30, 2006 8.42 8.44 8.17 8.21
1255 NASDAQ ALGN Fri, Jan 27, 2006 8.44 8.53 8.29 8.40
1254 NASDAQ ALGN Thu, Jan 26, 2006 8.14 8.61 8.14 8.54
1253 NASDAQ ALGN Wed, Jan 25, 2006 7.63 8.69 7.55 8.05
1252 NASDAQ ALGN Tue, Jan 24, 2006 7.44 7.63 7.39 7.53
1251 NASDAQ ALGN Mon, Jan 23, 2006 7.48 7.65 7.26 7.48
1250 NASDAQ ALGN Fri, Jan 20, 2006 7.64 7.75 7.58 7.59
1249 NASDAQ ALGN Thu, Jan 19, 2006 7.80 7.93 7.58 7.61
1248 NASDAQ ALGN Wed, Jan 18, 2006 8.26 8.29 7.72 7.81
1247 NASDAQ ALGN Tue, Jan 17, 2006 7.38 8.48 7.36 8.37
1246 NASDAQ ALGN Fri, Jan 13, 2006 6.83 7.56 6.83 7.46
1245 NASDAQ ALGN Thu, Jan 12, 2006 6.59 6.90 6.43 6.85
1244 NASDAQ ALGN Wed, Jan 11, 2006 6.32 6.33 6.13 6.25
1243 NASDAQ ALGN Tue, Jan 10, 2006 6.34 6.35 6.18 6.33
1242 NASDAQ ALGN Mon, Jan 9, 2006 6.15 6.36 6.15 6.34
1241 NASDAQ ALGN Fri, Jan 6, 2006 6.25 6.35 6.12 6.19
1240 NASDAQ ALGN Thu, Jan 5, 2006 6.12 6.28 6.08 6.21
1239 NASDAQ ALGN Wed, Jan 4, 2006 6.30 6.30 6.06 6.08
1238 NASDAQ ALGN Tue, Jan 3, 2006 6.35 6.39 5.96 6.28
1237 NASDAQ ALGN Fri, Dec 30, 2005 6.35 6.53 6.27 6.47
1236 NASDAQ ALGN Thu, Dec 29, 2005 6.50 6.59 6.39 6.40
1235 NASDAQ ALGN Wed, Dec 28, 2005 6.35 6.43 6.30 6.39
1234 NASDAQ ALGN Tue, Dec 27, 2005 6.73 6.76 6.36 6.39
1233 NASDAQ ALGN Fri, Dec 23, 2005 6.63 6.78 6.53 6.77
1232 NASDAQ ALGN Thu, Dec 22, 2005 6.56 6.69 6.56 6.67
1231 NASDAQ ALGN Wed, Dec 21, 2005 6.48 6.64 6.46 6.60
1230 NASDAQ ALGN Tue, Dec 20, 2005 6.55 6.60 6.45 6.52
1229 NASDAQ ALGN Mon, Dec 19, 2005 6.85 6.85 6.50 6.59
1228 NASDAQ ALGN Fri, Dec 16, 2005 6.76 6.93 6.75 6.79
1227 NASDAQ ALGN Thu, Dec 15, 2005 6.76 6.81 6.60 6.80
1226 NASDAQ ALGN Wed, Dec 14, 2005 6.85 6.91 6.61 6.81
1225 NASDAQ ALGN Tue, Dec 13, 2005 6.85 6.96 6.83 6.86
1224 NASDAQ ALGN Mon, Dec 12, 2005 6.90 7.00 6.78 6.87
1223 NASDAQ ALGN Fri, Dec 9, 2005 7.05 7.13 6.83 6.91
1222 NASDAQ ALGN Thu, Dec 8, 2005 6.69 7.10 6.61 7.07
1221 NASDAQ ALGN Wed, Dec 7, 2005 6.80 6.89 6.62 6.63
1220 NASDAQ ALGN Tue, Dec 6, 2005 6.75 6.90 6.75 6.76
1219 NASDAQ ALGN Mon, Dec 5, 2005 6.89 6.91 6.63 6.77
1218 NASDAQ ALGN Fri, Dec 2, 2005 6.84 6.99 6.82 6.91
1217 NASDAQ ALGN Thu, Dec 1, 2005 6.92 7.03 6.88 6.89
1216 NASDAQ ALGN Wed, Nov 30, 2005 6.84 6.95 6.79 6.92
1215 NASDAQ ALGN Tue, Nov 29, 2005 6.86 6.95 6.69 6.84
1214 NASDAQ ALGN Mon, Nov 28, 2005 6.90 7.03 6.75 6.78
1213 NASDAQ ALGN Fri, Nov 25, 2005 6.75 6.90 6.71 6.90
1212 NASDAQ ALGN Wed, Nov 23, 2005 6.30 6.78 6.29 6.75
1211 NASDAQ ALGN Tue, Nov 22, 2005 6.24 6.36 6.20 6.29
1210 NASDAQ ALGN Mon, Nov 21, 2005 6.44 6.50 6.22 6.27
1209 NASDAQ ALGN Fri, Nov 18, 2005 6.34 6.48 6.22 6.44
1208 NASDAQ ALGN Thu, Nov 17, 2005 6.65 6.65 6.27 6.30
1207 NASDAQ ALGN Wed, Nov 16, 2005 6.71 6.75 6.49 6.59
1206 NASDAQ ALGN Tue, Nov 15, 2005 6.82 6.85 6.67 6.73
1205 NASDAQ ALGN Mon, Nov 14, 2005 6.90 7.01 6.77 6.85
1204 NASDAQ ALGN Fri, Nov 11, 2005 6.96 7.00 6.88 6.98
1203 NASDAQ ALGN Thu, Nov 10, 2005 6.75 7.01 6.66 6.99
1202 NASDAQ ALGN Wed, Nov 9, 2005 6.96 7.00 6.71 6.77
1201 NASDAQ ALGN Tue, Nov 8, 2005 7.01 7.01 6.80 6.90
1200 NASDAQ ALGN Mon, Nov 7, 2005 7.00 7.10 6.95 6.99
1199 NASDAQ ALGN Fri, Nov 4, 2005 7.07 7.20 6.91 7.00
1198 NASDAQ ALGN Thu, Nov 3, 2005 7.08 7.26 6.93 7.04
1197 NASDAQ ALGN Wed, Nov 2, 2005 6.90 7.17 6.89 7.15
1196 NASDAQ ALGN Tue, Nov 1, 2005 7.30 7.30 6.86 6.95
1195 NASDAQ ALGN Mon, Oct 31, 2005 7.10 7.40 7.05 7.38
1194 NASDAQ ALGN Fri, Oct 28, 2005 6.81 7.15 6.80 7.11
1193 NASDAQ ALGN Thu, Oct 27, 2005 7.13 7.20 6.75 6.84
1192 NASDAQ ALGN Wed, Oct 26, 2005 7.35 7.42 6.95 7.20
1191 NASDAQ ALGN Tue, Oct 25, 2005 7.59 7.69 7.18 7.40
1190 NASDAQ ALGN Mon, Oct 24, 2005 7.30 7.60 7.30 7.59
1189 NASDAQ ALGN Fri, Oct 21, 2005 7.29 7.52 7.19 7.34
1188 NASDAQ ALGN Thu, Oct 20, 2005 7.29 7.41 7.02 7.30
1187 NASDAQ ALGN Wed, Oct 19, 2005 7.07 7.32 6.96 7.29
1186 NASDAQ ALGN Tue, Oct 18, 2005 7.08 7.17 6.83 7.10
1185 NASDAQ ALGN Mon, Oct 17, 2005 6.97 7.14 6.96 7.08
1184 NASDAQ ALGN Fri, Oct 14, 2005 6.66 7.11 6.65 7.02
1183 NASDAQ ALGN Thu, Oct 13, 2005 6.62 6.63 6.40 6.63
1182 NASDAQ ALGN Wed, Oct 12, 2005 6.56 6.65 6.50 6.59
1181 NASDAQ ALGN Tue, Oct 11, 2005 6.63 6.66 6.54 6.59
1180 NASDAQ ALGN Mon, Oct 10, 2005 6.52 6.72 6.46 6.60
1179 NASDAQ ALGN Fri, Oct 7, 2005 6.39 6.51 6.31 6.41
1178 NASDAQ ALGN Thu, Oct 6, 2005 6.40 6.59 6.33 6.41
1177 NASDAQ ALGN Wed, Oct 5, 2005 6.60 6.66 6.40 6.40
1176 NASDAQ ALGN Tue, Oct 4, 2005 6.72 6.78 6.57 6.66
1175 NASDAQ ALGN Mon, Oct 3, 2005 6.72 6.84 6.60 6.70
1174 NASDAQ ALGN Fri, Sep 30, 2005 6.69 6.75 6.50 6.72
1173 NASDAQ ALGN Thu, Sep 29, 2005 6.51 6.69 6.41 6.67
1172 NASDAQ ALGN Wed, Sep 28, 2005 6.57 6.61 6.44 6.55
1171 NASDAQ ALGN Tue, Sep 27, 2005 6.60 6.70 6.45 6.60
1170 NASDAQ ALGN Mon, Sep 26, 2005 6.67 6.67 6.51 6.64
1169 NASDAQ ALGN Fri, Sep 23, 2005 6.35 6.67 6.27 6.62
1168 NASDAQ ALGN Thu, Sep 22, 2005 6.26 6.53 6.20 6.31
1167 NASDAQ ALGN Wed, Sep 21, 2005 6.45 6.48 6.27 6.27
1166 NASDAQ ALGN Tue, Sep 20, 2005 6.65 6.77 6.47 6.50
1165 NASDAQ ALGN Mon, Sep 19, 2005 6.85 6.85 6.60 6.65
1164 NASDAQ ALGN Fri, Sep 16, 2005 6.89 6.91 6.82 6.86
1163 NASDAQ ALGN Thu, Sep 15, 2005 6.96 7.03 6.74 6.84
1162 NASDAQ ALGN Wed, Sep 14, 2005 7.14 7.17 6.85 6.96
1161 NASDAQ ALGN Tue, Sep 13, 2005 7.21 7.25 7.09 7.17
1160 NASDAQ ALGN Mon, Sep 12, 2005 7.03 7.29 7.00 7.23
1159 NASDAQ ALGN Fri, Sep 9, 2005 7.01 7.10 6.98 7.07
1158 NASDAQ ALGN Thu, Sep 8, 2005 7.20 7.29 6.96 7.02
1157 NASDAQ ALGN Wed, Sep 7, 2005 7.23 7.44 7.12 7.20
1156 NASDAQ ALGN Tue, Sep 6, 2005 7.15 7.42 7.08 7.29
1155 NASDAQ ALGN Fri, Sep 2, 2005 7.23 7.26 7.04 7.13
1154 NASDAQ ALGN Thu, Sep 1, 2005 6.83 7.22 6.81 7.18
1153 NASDAQ ALGN Wed, Aug 31, 2005 6.71 6.85 6.69 6.81
1152 NASDAQ ALGN Tue, Aug 30, 2005 6.75 6.96 6.70 6.77
1151 NASDAQ ALGN Mon, Aug 29, 2005 6.50 6.66 6.43 6.62
1150 NASDAQ ALGN Fri, Aug 26, 2005 6.70 6.75 6.51 6.51
1149 NASDAQ ALGN Thu, Aug 25, 2005 6.78 6.85 6.68 6.72
1148 NASDAQ ALGN Wed, Aug 24, 2005 6.48 6.78 6.45 6.72
1147 NASDAQ ALGN Tue, Aug 23, 2005 6.53 6.58 6.48 6.48
1146 NASDAQ ALGN Mon, Aug 22, 2005 6.40 6.60 6.40 6.53
1145 NASDAQ ALGN Fri, Aug 19, 2005 6.36 6.50 6.28 6.44
1144 NASDAQ ALGN Thu, Aug 18, 2005 6.69 6.69 6.36 6.39
1143 NASDAQ ALGN Wed, Aug 17, 2005 6.50 6.71 6.47 6.67
1142 NASDAQ ALGN Tue, Aug 16, 2005 6.50 6.63 6.38 6.50
1141 NASDAQ ALGN Mon, Aug 15, 2005 6.19 6.60 6.18 6.54
1140 NASDAQ ALGN Fri, Aug 12, 2005 6.19 6.43 6.07 6.23
1139 NASDAQ ALGN Thu, Aug 11, 2005 6.07 6.25 6.07 6.21
1138 NASDAQ ALGN Wed, Aug 10, 2005 6.25 6.31 6.06 6.13
1137 NASDAQ ALGN Tue, Aug 9, 2005 6.20 6.29 6.18 6.25
1136 NASDAQ ALGN Mon, Aug 8, 2005 6.14 6.31 6.13 6.21
1135 NASDAQ ALGN Fri, Aug 5, 2005 6.22 6.31 6.19 6.23
1134 NASDAQ ALGN Thu, Aug 4, 2005 6.18 6.29 6.18 6.25
1133 NASDAQ ALGN Wed, Aug 3, 2005 6.39 6.45 6.19 6.23
1132 NASDAQ ALGN Tue, Aug 2, 2005 6.52 6.56 6.43 6.48
1131 NASDAQ ALGN Mon, Aug 1, 2005 6.53 6.63 6.40 6.56
1130 NASDAQ ALGN Fri, Jul 29, 2005 6.70 6.78 6.51 6.52
1129 NASDAQ ALGN Thu, Jul 28, 2005 6.67 6.79 6.57 6.70
1128 NASDAQ ALGN Wed, Jul 27, 2005 6.46 6.74 6.42 6.63
1127 NASDAQ ALGN Tue, Jul 26, 2005 6.24 6.55 6.18 6.46
1126 NASDAQ ALGN Mon, Jul 25, 2005 6.13 6.25 6.06 6.18
1125 NASDAQ ALGN Fri, Jul 22, 2005 5.85 6.06 5.80 6.06
1124 NASDAQ ALGN Thu, Jul 21, 2005 6.29 6.30 5.83 5.88
1123 NASDAQ ALGN Wed, Jul 20, 2005 7.01 7.01 5.63 6.17
1122 NASDAQ ALGN Tue, Jul 19, 2005 7.25 7.38 6.92 7.05
1121 NASDAQ ALGN Mon, Jul 18, 2005 7.66 7.71 7.31 7.40
1120 NASDAQ ALGN Fri, Jul 15, 2005 7.90 8.00 7.61 7.70
1119 NASDAQ ALGN Thu, Jul 14, 2005 8.10 8.32 7.92 7.95
1118 NASDAQ ALGN Wed, Jul 13, 2005 8.18 8.25 8.07 8.07
1117 NASDAQ ALGN Tue, Jul 12, 2005 8.35 8.41 8.02 8.20
1116 NASDAQ ALGN Mon, Jul 11, 2005 8.11 8.35 8.11 8.34
1115 NASDAQ ALGN Fri, Jul 8, 2005 7.75 8.25 7.75 8.14
1114 NASDAQ ALGN Thu, Jul 7, 2005 7.56 7.85 7.56 7.78
1113 NASDAQ ALGN Wed, Jul 6, 2005 7.79 7.94 7.68 7.72
1112 NASDAQ ALGN Tue, Jul 5, 2005 7.41 7.79 7.41 7.79
1111 NASDAQ ALGN Fri, Jul 1, 2005 7.35 7.54 7.35 7.44
1110 NASDAQ ALGN Thu, Jun 30, 2005 7.40 7.50 7.34 7.37
1109 NASDAQ ALGN Wed, Jun 29, 2005 7.42 7.47 7.28 7.32
1108 NASDAQ ALGN Tue, Jun 28, 2005 7.04 7.42 6.95 7.40
1107 NASDAQ ALGN Mon, Jun 27, 2005 7.00 7.07 6.95 6.96
1106 NASDAQ ALGN Fri, Jun 24, 2005 6.92 7.07 6.92 7.07
1105 NASDAQ ALGN Thu, Jun 23, 2005 7.20 7.31 6.93 6.93
1104 NASDAQ ALGN Wed, Jun 22, 2005 7.37 7.47 7.15 7.25
1103 NASDAQ ALGN Tue, Jun 21, 2005 7.41 7.49 7.19 7.37
1102 NASDAQ ALGN Mon, Jun 20, 2005 7.55 7.60 7.42 7.45
1101 NASDAQ ALGN Fri, Jun 17, 2005 7.45 7.59 7.34 7.56
1100 NASDAQ ALGN Thu, Jun 16, 2005 7.27 7.57 7.27 7.50
1099 NASDAQ ALGN Wed, Jun 15, 2005 7.44 7.54 7.24 7.29
1098 NASDAQ ALGN Tue, Jun 14, 2005 7.68 7.68 7.33 7.46
1097 NASDAQ ALGN Mon, Jun 13, 2005 7.46 7.76 7.41 7.66
1096 NASDAQ ALGN Fri, Jun 10, 2005 7.52 7.57 7.41 7.46
1095 NASDAQ ALGN Thu, Jun 9, 2005 7.15 7.57 7.10 7.54
1094 NASDAQ ALGN Wed, Jun 8, 2005 7.33 7.33 7.10 7.11
1093 NASDAQ ALGN Tue, Jun 7, 2005 7.38 7.57 7.10 7.28
1092 NASDAQ ALGN Mon, Jun 6, 2005 7.53 7.58 7.39 7.49
1091 NASDAQ ALGN Fri, Jun 3, 2005 7.62 7.75 7.55 7.57
1090 NASDAQ ALGN Thu, Jun 2, 2005 7.17 7.74 7.17 7.65
1089 NASDAQ ALGN Wed, Jun 1, 2005 7.30 7.40 7.21 7.25
1088 NASDAQ ALGN Tue, May 31, 2005 7.14 7.40 7.14 7.27
1087 NASDAQ ALGN Fri, May 27, 2005 7.33 7.38 7.12 7.18
1086 NASDAQ ALGN Thu, May 26, 2005 7.21 7.42 7.11 7.24
1085 NASDAQ ALGN Wed, May 25, 2005 7.26 7.29 7.15 7.19
1084 NASDAQ ALGN Tue, May 24, 2005 7.24 7.49 7.20 7.29
1083 NASDAQ ALGN Mon, May 23, 2005 7.40 7.50 6.96 7.34
1082 NASDAQ ALGN Fri, May 20, 2005 8.08 8.29 7.67 7.94
1081 NASDAQ ALGN Thu, May 19, 2005 8.19 8.20 7.60 8.08
1080 NASDAQ ALGN Wed, May 18, 2005 8.35 8.40 8.06 8.19
1079 NASDAQ ALGN Tue, May 17, 2005 8.12 8.35 8.12 8.30
1078 NASDAQ ALGN Mon, May 16, 2005 8.47 8.53 8.03 8.20
1077 NASDAQ ALGN Fri, May 13, 2005 8.55 8.73 8.28 8.35
1076 NASDAQ ALGN Thu, May 12, 2005 8.55 8.75 8.43 8.53
1075 NASDAQ ALGN Wed, May 11, 2005 8.55 8.58 8.19 8.52
1074 NASDAQ ALGN Tue, May 10, 2005 8.82 8.82 8.50 8.55
1073 NASDAQ ALGN Mon, May 9, 2005 8.45 8.90 8.44 8.80
1072 NASDAQ ALGN Fri, May 6, 2005 8.33 8.58 8.33 8.43
1071 NASDAQ ALGN Thu, May 5, 2005 8.26 8.39 8.09 8.35
1070 NASDAQ ALGN Wed, May 4, 2005 8.26 8.36 8.20 8.31
1069 NASDAQ ALGN Tue, May 3, 2005 8.50 8.56 8.27 8.35
1068 NASDAQ ALGN Mon, May 2, 2005 8.42 8.56 8.26 8.39
1067 NASDAQ ALGN Fri, Apr 29, 2005 8.41 8.67 8.25 8.42
1066 NASDAQ ALGN Thu, Apr 28, 2005 8.44 8.74 8.39 8.43
1065 NASDAQ ALGN Wed, Apr 27, 2005 8.11 8.77 8.04 8.53
1064 NASDAQ ALGN Tue, Apr 26, 2005 8.09 8.47 8.06 8.19
1063 NASDAQ ALGN Mon, Apr 25, 2005 8.16 8.35 8.13 8.22
1062 NASDAQ ALGN Fri, Apr 22, 2005 8.26 8.45 7.96 8.16
1061 NASDAQ ALGN Thu, Apr 21, 2005 8.44 8.48 7.89 8.34
1060 NASDAQ ALGN Wed, Apr 20, 2005 7.40 8.84 7.36 8.36
1059 NASDAQ ALGN Tue, Apr 19, 2005 6.88 7.06 6.61 6.95
1058 NASDAQ ALGN Mon, Apr 18, 2005 6.90 7.00 6.70 6.88
1057 NASDAQ ALGN Fri, Apr 15, 2005 6.44 7.12 6.35 6.85
1056 NASDAQ ALGN Thu, Apr 14, 2005 6.18 6.41 6.03 6.40
1055 NASDAQ ALGN Wed, Apr 13, 2005 6.00 6.18 5.96 6.10
1054 NASDAQ ALGN Tue, Apr 12, 2005 5.99 5.99 5.75 5.90
1053 NASDAQ ALGN Mon, Apr 11, 2005 6.20 6.26 5.77 5.96
1052 NASDAQ ALGN Fri, Apr 8, 2005 6.22 6.24 6.10 6.11
1051 NASDAQ ALGN Thu, Apr 7, 2005 6.07 6.32 6.00 6.20
1050 NASDAQ ALGN Wed, Apr 6, 2005 6.05 6.08 5.96 6.00
1049 NASDAQ ALGN Tue, Apr 5, 2005 6.00 6.07 5.86 6.01
1048 NASDAQ ALGN Mon, Apr 4, 2005 5.84 6.18 5.75 6.05
1047 NASDAQ ALGN Fri, Apr 1, 2005 6.26 6.26 5.75 5.89
1046 NASDAQ ALGN Thu, Mar 31, 2005 6.41 6.41 6.15 6.24
1045 NASDAQ ALGN Wed, Mar 30, 2005 6.25 6.41 6.16 6.36
1044 NASDAQ ALGN Tue, Mar 29, 2005 6.35 6.46 6.16 6.17
1043 NASDAQ ALGN Mon, Mar 28, 2005 6.32 6.40 6.30 6.38
1042 NASDAQ ALGN Thu, Mar 24, 2005 6.02 6.40 5.99 6.31
1041 NASDAQ ALGN Wed, Mar 23, 2005 6.38 6.40 5.84 5.96
1040 NASDAQ ALGN Tue, Mar 22, 2005 6.66 6.70 6.37 6.42
1039 NASDAQ ALGN Mon, Mar 21, 2005 6.60 6.65 6.50 6.62
1038 NASDAQ ALGN Fri, Mar 18, 2005 6.66 6.76 6.52 6.58
1037 NASDAQ ALGN Thu, Mar 17, 2005 6.73 6.84 6.67 6.70
1036 NASDAQ ALGN Wed, Mar 16, 2005 6.86 6.87 6.47 6.68
1035 NASDAQ ALGN Tue, Mar 15, 2005 7.25 7.27 6.81 6.92
1034 NASDAQ ALGN Mon, Mar 14, 2005 7.29 7.49 7.05 7.15
1033 NASDAQ ALGN Fri, Mar 11, 2005 7.54 7.54 7.23 7.32
1032 NASDAQ ALGN Thu, Mar 10, 2005 7.63 7.70 7.40 7.50
1031 NASDAQ ALGN Wed, Mar 9, 2005 7.70 7.79 7.56 7.60
1030 NASDAQ ALGN Tue, Mar 8, 2005 7.88 8.01 7.69 7.69
1029 NASDAQ ALGN Mon, Mar 7, 2005 7.70 7.95 7.55 7.88
1028 NASDAQ ALGN Fri, Mar 4, 2005 7.65 7.69 7.50 7.53
1027 NASDAQ ALGN Thu, Mar 3, 2005 7.80 7.92 7.43 7.55
1026 NASDAQ ALGN Wed, Mar 2, 2005 7.62 7.68 7.40 7.43
1025 NASDAQ ALGN Tue, Mar 1, 2005 7.57 7.63 7.37 7.40
1024 NASDAQ ALGN Mon, Feb 28, 2005 7.81 7.85 7.46 7.57
1023 NASDAQ ALGN Fri, Feb 25, 2005 7.60 7.65 7.50 7.60
1022 NASDAQ ALGN Thu, Feb 24, 2005 7.54 7.61 7.38 7.59
1021 NASDAQ ALGN Wed, Feb 23, 2005 7.34 7.57 7.34 7.45
1020 NASDAQ ALGN Tue, Feb 22, 2005 7.56 7.65 7.35 7.35
1019 NASDAQ ALGN Fri, Feb 18, 2005 7.85 7.95 7.49 7.60
1018 NASDAQ ALGN Thu, Feb 17, 2005 8.28 8.28 7.87 7.88
1017 NASDAQ ALGN Wed, Feb 16, 2005 8.32 8.34 8.12 8.31
1016 NASDAQ ALGN Tue, Feb 15, 2005 8.08 8.32 8.00 8.30
1015 NASDAQ ALGN Mon, Feb 14, 2005 7.63 8.30 7.63 8.00
1014 NASDAQ ALGN Fri, Feb 11, 2005 7.71 7.83 7.62 7.74
1013 NASDAQ ALGN Thu, Feb 10, 2005 7.51 7.73 7.42 7.70
1012 NASDAQ ALGN Wed, Feb 9, 2005 7.84 7.84 7.48 7.58
1011 NASDAQ ALGN Tue, Feb 8, 2005 8.06 8.07 7.70 7.73
1010 NASDAQ ALGN Mon, Feb 7, 2005 8.34 8.44 7.59 7.97
1009 NASDAQ ALGN Fri, Feb 4, 2005 7.75 8.00 7.58 7.99
1008 NASDAQ ALGN Thu, Feb 3, 2005 8.60 8.60 7.76 7.95
1007 NASDAQ ALGN Wed, Feb 2, 2005 8.55 8.89 8.55 8.70
1006 NASDAQ ALGN Tue, Feb 1, 2005 8.66 8.70 8.23 8.66
1005 NASDAQ ALGN Mon, Jan 31, 2005 8.88 8.88 8.48 8.66
1004 NASDAQ ALGN Fri, Jan 28, 2005 9.00 9.00 8.58 8.76
1003 NASDAQ ALGN Thu, Jan 27, 2005 8.49 8.93 8.40 8.85
1002 NASDAQ ALGN Wed, Jan 26, 2005 9.53 9.74 7.78 8.50
1001 NASDAQ ALGN Tue, Jan 25, 2005 9.50 9.72 9.25 9.44
1000 NASDAQ ALGN Mon, Jan 24, 2005 10.26 10.29 9.27 9.49
999 NASDAQ ALGN Fri, Jan 21, 2005 10.51 10.61 10.15 10.24
998 NASDAQ ALGN Thu, Jan 20, 2005 10.70 10.70 10.35 10.51
997 NASDAQ ALGN Wed, Jan 19, 2005 10.74 10.80 10.51 10.72
996 NASDAQ ALGN Tue, Jan 18, 2005 10.16 10.65 10.15 10.62
995 NASDAQ ALGN Fri, Jan 14, 2005 10.10 10.35 10.10 10.28
994 NASDAQ ALGN Thu, Jan 13, 2005 10.25 10.25 10.07 10.10
993 NASDAQ ALGN Wed, Jan 12, 2005 10.07 10.19 10.05 10.11
992 NASDAQ ALGN Tue, Jan 11, 2005 10.45 10.45 9.98 10.08
991 NASDAQ ALGN Mon, Jan 10, 2005 10.20 10.38 10.20 10.29
990 NASDAQ ALGN Fri, Jan 7, 2005 10.17 10.33 10.17 10.28
989 NASDAQ ALGN Thu, Jan 6, 2005 10.40 10.46 10.22 10.24
988 NASDAQ ALGN Wed, Jan 5, 2005 10.35 10.57 10.30 10.40
987 NASDAQ ALGN Tue, Jan 4, 2005 10.44 10.74 10.35 10.41
986 NASDAQ ALGN Mon, Jan 3, 2005 10.87 10.87 10.36 10.56
985 NASDAQ ALGN Fri, Dec 31, 2004 10.84 11.00 10.72 10.75
984 NASDAQ ALGN Thu, Dec 30, 2004 11.00 11.00 10.83 10.85
983 NASDAQ ALGN Wed, Dec 29, 2004 11.00 11.12 10.82 10.86
982 NASDAQ ALGN Tue, Dec 28, 2004 10.92 11.16 10.76 11.07
981 NASDAQ ALGN Mon, Dec 27, 2004 10.95 10.95 10.57 10.83
980 NASDAQ ALGN Thu, Dec 23, 2004 10.66 10.91 10.63 10.81
979 NASDAQ ALGN Wed, Dec 22, 2004 10.56 10.85 10.47 10.66
978 NASDAQ ALGN Tue, Dec 21, 2004 10.25 10.72 10.25 10.47
977 NASDAQ ALGN Mon, Dec 20, 2004 10.30 10.58 10.27 10.33
976 NASDAQ ALGN Fri, Dec 17, 2004 10.48 10.55 10.29 10.32
975 NASDAQ ALGN Thu, Dec 16, 2004 10.50 10.68 10.37 10.39
974 NASDAQ ALGN Wed, Dec 15, 2004 10.88 10.88 10.42 10.47
973 NASDAQ ALGN Tue, Dec 14, 2004 10.90 10.93 10.59 10.80
972 NASDAQ ALGN Mon, Dec 13, 2004 11.00 11.00 10.50 10.72
971 NASDAQ ALGN Fri, Dec 10, 2004 10.58 10.71 10.40 10.60
970 NASDAQ ALGN Thu, Dec 9, 2004 10.75 10.80 10.30 10.48
969 NASDAQ ALGN Wed, Dec 8, 2004 11.35 11.38 11.01 11.10
968 NASDAQ ALGN Tue, Dec 7, 2004 11.56 11.60 11.02 11.04
967 NASDAQ ALGN Mon, Dec 6, 2004 11.45 11.74 11.42 11.50
966 NASDAQ ALGN Fri, Dec 3, 2004 11.95 12.00 11.45 11.46
965 NASDAQ ALGN Thu, Dec 2, 2004 11.74 11.90 11.50 11.72
964 NASDAQ ALGN Wed, Dec 1, 2004 11.06 11.76 10.86 11.74
963 NASDAQ ALGN Tue, Nov 30, 2004 10.66 10.66 10.43 10.57
962 NASDAQ ALGN Mon, Nov 29, 2004 10.28 10.61 10.28 10.58
961 NASDAQ ALGN Fri, Nov 26, 2004 10.34 10.36 10.24 10.30
960 NASDAQ ALGN Wed, Nov 24, 2004 10.44 10.44 10.20 10.24
959 NASDAQ ALGN Tue, Nov 23, 2004 10.51 10.59 10.20 10.37
958 NASDAQ ALGN Mon, Nov 22, 2004 10.57 10.87 10.35 10.53
957 NASDAQ ALGN Fri, Nov 19, 2004 10.80 10.94 10.66 10.66
956 NASDAQ ALGN Thu, Nov 18, 2004 10.95 11.12 10.80 10.85
955 NASDAQ ALGN Wed, Nov 17, 2004 10.59 10.70 10.39 10.56
954 NASDAQ ALGN Tue, Nov 16, 2004 10.52 10.85 10.42 10.54
953 NASDAQ ALGN Mon, Nov 15, 2004 10.74 10.87 10.70 10.77
952 NASDAQ ALGN Fri, Nov 12, 2004 10.76 11.05 10.71 10.72
951 NASDAQ ALGN Thu, Nov 11, 2004 11.09 11.09 10.76 10.95
950 NASDAQ ALGN Wed, Nov 10, 2004 11.48 11.49 11.09 11.12
949 NASDAQ ALGN Tue, Nov 9, 2004 11.04 11.28 10.85 11.27
948 NASDAQ ALGN Mon, Nov 8, 2004 11.00 11.00 10.70 10.75
947 NASDAQ ALGN Fri, Nov 5, 2004 10.90 11.03 10.81 10.99
946 NASDAQ ALGN Thu, Nov 4, 2004 10.78 11.00 10.70 10.98
945 NASDAQ ALGN Wed, Nov 3, 2004 11.02 11.15 10.76 11.02
944 NASDAQ ALGN Tue, Nov 2, 2004 10.56 10.87 10.35 10.69
943 NASDAQ ALGN Mon, Nov 1, 2004 10.53 10.60 10.10 10.49
942 NASDAQ ALGN Fri, Oct 29, 2004 10.15 10.65 10.00 10.38
941 NASDAQ ALGN Thu, Oct 28, 2004 9.62 10.06 9.61 9.95
940 NASDAQ ALGN Wed, Oct 27, 2004 9.00 9.73 8.90 9.64
939 NASDAQ ALGN Tue, Oct 26, 2004 9.26 9.28 8.85 8.97
938 NASDAQ ALGN Mon, Oct 25, 2004 9.75 9.93 9.15 9.25
937 NASDAQ ALGN Fri, Oct 22, 2004 10.15 10.20 9.55 9.76
936 NASDAQ ALGN Thu, Oct 21, 2004 14.15 14.28 9.71 9.90
935 NASDAQ ALGN Wed, Oct 20, 2004 14.30 14.82 13.96 14.82
934 NASDAQ ALGN Tue, Oct 19, 2004 14.77 14.87 13.63 14.12
933 NASDAQ ALGN Mon, Oct 18, 2004 14.96 15.10 14.38 14.48
932 NASDAQ ALGN Fri, Oct 15, 2004 14.95 15.20 14.88 15.00
931 NASDAQ ALGN Thu, Oct 14, 2004 15.06 15.21 14.89 14.94
930 NASDAQ ALGN Wed, Oct 13, 2004 15.58 15.62 15.03 15.17
929 NASDAQ ALGN Tue, Oct 12, 2004 15.63 15.68 15.50 15.58
928 NASDAQ ALGN Mon, Oct 11, 2004 15.65 15.72 15.40 15.65
927 NASDAQ ALGN Fri, Oct 8, 2004 15.77 15.86 15.50 15.55
926 NASDAQ ALGN Thu, Oct 7, 2004 16.07 16.19 15.70 15.75
925 NASDAQ ALGN Wed, Oct 6, 2004 16.09 16.25 16.00 16.19
924 NASDAQ ALGN Tue, Oct 5, 2004 16.22 16.34 16.10 16.34
923 NASDAQ ALGN Mon, Oct 4, 2004 15.76 16.25 15.64 16.20
922 NASDAQ ALGN Fri, Oct 1, 2004 15.43 15.79 15.23 15.72
921 NASDAQ ALGN Thu, Sep 30, 2004 15.24 15.37 15.12 15.28
920 NASDAQ ALGN Wed, Sep 29, 2004 15.25 15.38 15.00 15.37
919 NASDAQ ALGN Tue, Sep 28, 2004 14.73 15.24 14.54 15.14
918 NASDAQ ALGN Mon, Sep 27, 2004 14.79 14.93 14.58 14.70
917 NASDAQ ALGN Fri, Sep 24, 2004 14.93 15.02 14.84 14.85
916 NASDAQ ALGN Thu, Sep 23, 2004 15.14 15.24 15.00 15.04
915 NASDAQ ALGN Wed, Sep 22, 2004 15.47 15.60 14.95 15.11
914 NASDAQ ALGN Tue, Sep 21, 2004 15.22 15.74 15.22 15.61
913 NASDAQ ALGN Mon, Sep 20, 2004 15.55 15.80 15.31 15.39
912 NASDAQ ALGN Fri, Sep 17, 2004 16.40 16.42 15.23 15.69
911 NASDAQ ALGN Thu, Sep 16, 2004 15.79 15.84 15.60 15.75
910 NASDAQ ALGN Wed, Sep 15, 2004 16.28 16.29 15.61 15.74
909 NASDAQ ALGN Tue, Sep 14, 2004 16.36 16.50 16.05 16.16
908 NASDAQ ALGN Mon, Sep 13, 2004 16.29 16.56 16.18 16.29
907 NASDAQ ALGN Fri, Sep 10, 2004 15.45 16.75 15.45 16.28
906 NASDAQ ALGN Thu, Sep 9, 2004 15.35 15.74 15.31 15.51
905 NASDAQ ALGN Wed, Sep 8, 2004 15.32 15.51 15.30 15.31
904 NASDAQ ALGN Tue, Sep 7, 2004 15.25 15.40 15.18 15.34
903 NASDAQ ALGN Fri, Sep 3, 2004 15.45 15.45 15.02 15.25
902 NASDAQ ALGN Thu, Sep 2, 2004 15.15 15.48 15.15 15.36
901 NASDAQ ALGN Wed, Sep 1, 2004 15.20 15.77 14.75 15.36
900 NASDAQ ALGN Tue, Aug 31, 2004 15.24 15.41 14.88 15.32
899 NASDAQ ALGN Mon, Aug 30, 2004 15.35 15.50 15.09 15.39
898 NASDAQ ALGN Fri, Aug 27, 2004 15.15 15.49 15.13 15.42
897 NASDAQ ALGN Thu, Aug 26, 2004 15.41 15.42 14.99 15.30
896 NASDAQ ALGN Wed, Aug 25, 2004 14.79 15.50 14.64 15.30
895 NASDAQ ALGN Tue, Aug 24, 2004 14.93 15.05 14.76 14.88
894 NASDAQ ALGN Mon, Aug 23, 2004 15.00 15.03 14.60 14.83
893 NASDAQ ALGN Fri, Aug 20, 2004 14.97 15.06 14.90 14.90
892 NASDAQ ALGN Thu, Aug 19, 2004 14.82 15.22 14.82 15.02
891 NASDAQ ALGN Wed, Aug 18, 2004 14.30 15.10 14.30 15.02
890 NASDAQ ALGN Tue, Aug 17, 2004 14.29 15.18 14.06 14.52
889 NASDAQ ALGN Mon, Aug 16, 2004 13.80 14.25 13.71 14.19
888 NASDAQ ALGN Fri, Aug 13, 2004 14.39 14.62 13.60 13.90
887 NASDAQ ALGN Thu, Aug 12, 2004 15.06 15.19 14.47 14.48
886 NASDAQ ALGN Wed, Aug 11, 2004 15.29 15.40 14.92 15.10
885 NASDAQ ALGN Tue, Aug 10, 2004 14.74 15.53 14.74 15.50
884 NASDAQ ALGN Mon, Aug 9, 2004 14.84 15.00 14.55 14.85
883 NASDAQ ALGN Fri, Aug 6, 2004 15.50 15.50 14.74 14.84
882 NASDAQ ALGN Thu, Aug 5, 2004 16.00 16.22 15.50 15.58
881 NASDAQ ALGN Wed, Aug 4, 2004 16.10 16.34 15.68 16.01
880 NASDAQ ALGN Tue, Aug 3, 2004 16.82 16.94 16.04 16.26
879 NASDAQ ALGN Mon, Aug 2, 2004 17.34 17.35 16.73 16.96
878 NASDAQ ALGN Fri, Jul 30, 2004 16.65 17.29 16.65 17.18
877 NASDAQ ALGN Thu, Jul 29, 2004 17.28 17.30 16.44 16.80
876 NASDAQ ALGN Wed, Jul 28, 2004 16.51 17.20 16.51 17.02
875 NASDAQ ALGN Tue, Jul 27, 2004 16.90 17.00 16.40 16.68
874 NASDAQ ALGN Mon, Jul 26, 2004 17.17 17.60 16.57 16.90
873 NASDAQ ALGN Fri, Jul 23, 2004 17.75 18.05 17.56 17.91
872 NASDAQ ALGN Thu, Jul 22, 2004 15.95 17.75 15.95 17.70
871 NASDAQ ALGN Wed, Jul 21, 2004 15.94 16.39 15.23 15.26
870 NASDAQ ALGN Tue, Jul 20, 2004 15.82 16.22 15.60 16.13
869 NASDAQ ALGN Mon, Jul 19, 2004 15.41 15.75 15.41 15.60
868 NASDAQ ALGN Fri, Jul 16, 2004 16.08 16.18 15.42 15.50
867 NASDAQ ALGN Thu, Jul 15, 2004 15.65 16.30 15.64 16.08
866 NASDAQ ALGN Wed, Jul 14, 2004 15.75 16.18 15.58 15.92
865 NASDAQ ALGN Tue, Jul 13, 2004 16.12 16.33 15.95 15.97
864 NASDAQ ALGN Mon, Jul 12, 2004 16.20 16.50 15.80 16.05
863 NASDAQ ALGN Fri, Jul 9, 2004 17.07 17.07 16.06 16.24
862 NASDAQ ALGN Thu, Jul 8, 2004 17.89 18.06 16.86 16.95
861 NASDAQ ALGN Wed, Jul 7, 2004 17.79 18.06 17.56 17.90
860 NASDAQ ALGN Tue, Jul 6, 2004 18.30 18.50 17.57 17.69
859 NASDAQ ALGN Fri, Jul 2, 2004 18.50 18.70 18.35 18.37
858 NASDAQ ALGN Thu, Jul 1, 2004 18.91 19.15 18.30 18.72
857 NASDAQ ALGN Wed, Jun 30, 2004 18.40 19.15 18.30 19.00
856 NASDAQ ALGN Tue, Jun 29, 2004 18.25 18.48 18.17 18.35
855 NASDAQ ALGN Mon, Jun 28, 2004 18.50 18.50 18.20 18.28
854 NASDAQ ALGN Fri, Jun 25, 2004 18.20 18.65 18.20 18.45
853 NASDAQ ALGN Thu, Jun 24, 2004 18.80 18.80 18.22 18.36
852 NASDAQ ALGN Wed, Jun 23, 2004 18.62 18.84 18.55 18.79
851 NASDAQ ALGN Tue, Jun 22, 2004 18.30 18.55 18.18 18.53
850 NASDAQ ALGN Mon, Jun 21, 2004 18.27 18.65 18.15 18.39
849 NASDAQ ALGN Fri, Jun 18, 2004 18.10 18.63 17.91 18.37
848 NASDAQ ALGN Thu, Jun 17, 2004 18.37 18.54 18.10 18.21
847 NASDAQ ALGN Wed, Jun 16, 2004 18.49 18.60 18.09 18.52
846 NASDAQ ALGN Tue, Jun 15, 2004 17.39 18.51 17.30 18.30
845 NASDAQ ALGN Mon, Jun 14, 2004 17.85 17.97 17.40 17.40
844 NASDAQ ALGN Thu, Jun 10, 2004 17.74 18.56 17.73 17.83
843 NASDAQ ALGN Wed, Jun 9, 2004 18.46 18.47 17.78 17.84
842 NASDAQ ALGN Tue, Jun 8, 2004 18.70 18.70 18.26 18.40
841 NASDAQ ALGN Mon, Jun 7, 2004 18.80 18.80 18.30 18.68
840 NASDAQ ALGN Fri, Jun 4, 2004 18.99 19.10 18.33 18.59
839 NASDAQ ALGN Thu, Jun 3, 2004 19.00 19.27 18.78 18.91
838 NASDAQ ALGN Wed, Jun 2, 2004 18.92 19.27 18.82 19.08
837 NASDAQ ALGN Tue, Jun 1, 2004 19.00 19.30 18.66 18.81
836 NASDAQ ALGN Fri, May 28, 2004 19.18 19.30 18.70 19.06
835 NASDAQ ALGN Thu, May 27, 2004 18.99 19.21 18.48 19.09
834 NASDAQ ALGN Wed, May 26, 2004 19.20 19.45 18.80 18.91
833 NASDAQ ALGN Tue, May 25, 2004 19.55 20.00 19.49 19.97
832 NASDAQ ALGN Mon, May 24, 2004 19.55 20.00 19.29 19.64
831 NASDAQ ALGN Fri, May 21, 2004 19.40 19.40 19.12 19.27
830 NASDAQ ALGN Thu, May 20, 2004 19.52 19.75 19.00 19.46
829 NASDAQ ALGN Wed, May 19, 2004 19.70 20.19 19.20 19.40
828 NASDAQ ALGN Tue, May 18, 2004 19.49 19.64 19.20 19.61
827 NASDAQ ALGN Mon, May 17, 2004 19.19 19.50 18.56 19.42
826 NASDAQ ALGN Fri, May 14, 2004 19.15 19.49 18.95 19.32
825 NASDAQ ALGN Thu, May 13, 2004 18.48 19.34 18.46 19.11
824 NASDAQ ALGN Wed, May 12, 2004 18.73 18.98 18.05 18.80
823 NASDAQ ALGN Tue, May 11, 2004 18.30 18.69 18.02 18.68
822 NASDAQ ALGN Mon, May 10, 2004 18.00 18.34 17.25 18.04
821 NASDAQ ALGN Fri, May 7, 2004 18.21 18.87 17.97 18.00
820 NASDAQ ALGN Thu, May 6, 2004 18.84 18.84 17.98 18.30
819 NASDAQ ALGN Wed, May 5, 2004 18.75 18.95 18.43 18.86
818 NASDAQ ALGN Tue, May 4, 2004 18.60 18.86 17.88 18.74
817 NASDAQ ALGN Mon, May 3, 2004 17.67 18.60 17.28 18.46
816 NASDAQ ALGN Fri, Apr 30, 2004 18.38 18.38 17.32 17.36
815 NASDAQ ALGN Thu, Apr 29, 2004 18.16 18.60 17.84 18.03
814 NASDAQ ALGN Wed, Apr 28, 2004 18.86 19.00 18.16 18.20
813 NASDAQ ALGN Tue, Apr 27, 2004 18.90 19.15 18.70 18.95
812 NASDAQ ALGN Mon, Apr 26, 2004 19.25 19.29 18.75 18.98
811 NASDAQ ALGN Fri, Apr 23, 2004 19.32 19.32 18.80 19.00
810 NASDAQ ALGN Thu, Apr 22, 2004 21.00 21.00 18.37 19.20
809 NASDAQ ALGN Wed, Apr 21, 2004 20.60 21.73 20.00 21.24
808 NASDAQ ALGN Tue, Apr 20, 2004 22.75 22.75 20.68 20.77
807 NASDAQ ALGN Mon, Apr 19, 2004 22.10 22.81 21.90 22.80
806 NASDAQ ALGN Fri, Apr 16, 2004 21.76 22.40 21.30 22.06
805 NASDAQ ALGN Thu, Apr 15, 2004 22.07 22.29 21.54 21.70
804 NASDAQ ALGN Wed, Apr 14, 2004 21.41 22.15 20.75 22.03
803 NASDAQ ALGN Tue, Apr 13, 2004 22.45 22.60 21.42 21.50
802 NASDAQ ALGN Mon, Apr 12, 2004 20.35 22.75 20.17 22.43
801 NASDAQ ALGN Thu, Apr 8, 2004 20.74 20.96 20.19 20.42
800 NASDAQ ALGN Wed, Apr 7, 2004 20.81 21.05 20.50 20.58
799 NASDAQ ALGN Tue, Apr 6, 2004 20.98 21.12 20.66 20.80
798 NASDAQ ALGN Mon, Apr 5, 2004 20.31 21.19 20.06 21.05
797 NASDAQ ALGN Fri, Apr 2, 2004 20.00 20.50 19.95 20.26
796 NASDAQ ALGN Thu, Apr 1, 2004 19.22 20.00 19.18 19.93
795 NASDAQ ALGN Wed, Mar 31, 2004 19.49 19.57 18.96 19.01
794 NASDAQ ALGN Tue, Mar 30, 2004 19.38 19.70 19.27 19.40
793 NASDAQ ALGN Mon, Mar 29, 2004 19.14 19.65 19.14 19.45
792 NASDAQ ALGN Fri, Mar 26, 2004 18.84 19.15 18.72 18.97
791 NASDAQ ALGN Thu, Mar 25, 2004 18.20 19.00 18.01 18.85
790 NASDAQ ALGN Wed, Mar 24, 2004 17.75 18.24 17.75 18.01
789 NASDAQ ALGN Tue, Mar 23, 2004 18.38 18.38 17.57 18.00
788 NASDAQ ALGN Mon, Mar 22, 2004 18.53 18.60 17.76 17.97
787 NASDAQ ALGN Fri, Mar 19, 2004 18.86 18.88 18.35 18.51
786 NASDAQ ALGN Thu, Mar 18, 2004 18.14 18.81 18.14 18.35
785 NASDAQ ALGN Wed, Mar 17, 2004 18.25 18.75 18.22 18.39
784 NASDAQ ALGN Tue, Mar 16, 2004 17.91 18.22 17.45 18.09
783 NASDAQ ALGN Mon, Mar 15, 2004 18.70 18.79 17.77 17.93
782 NASDAQ ALGN Fri, Mar 12, 2004 18.00 19.05 17.99 18.73
781 NASDAQ ALGN Thu, Mar 11, 2004 18.75 19.04 18.11 18.20
780 NASDAQ ALGN Wed, Mar 10, 2004 18.96 19.59 18.61 18.75
779 NASDAQ ALGN Tue, Mar 9, 2004 19.10 19.46 18.87 19.14
778 NASDAQ ALGN Mon, Mar 8, 2004 19.60 20.19 19.10 19.11
777 NASDAQ ALGN Fri, Mar 5, 2004 19.90 20.23 19.36 19.66
776 NASDAQ ALGN Thu, Mar 4, 2004 19.30 20.00 18.81 19.93
775 NASDAQ ALGN Wed, Mar 3, 2004 19.30 19.83 19.26 19.48
774 NASDAQ ALGN Tue, Mar 2, 2004 19.52 19.85 19.50 19.57
773 NASDAQ ALGN Mon, Mar 1, 2004 19.62 19.84 19.55 19.61
772 NASDAQ ALGN Fri, Feb 27, 2004 19.58 19.75 19.52 19.67
771 NASDAQ ALGN Thu, Feb 26, 2004 20.19 20.24 19.50 19.70
770 NASDAQ ALGN Wed, Feb 25, 2004 19.69 20.06 19.38 20.06
769 NASDAQ ALGN Tue, Feb 24, 2004 19.71 20.48 19.12 19.52
768 NASDAQ ALGN Mon, Feb 23, 2004 19.99 20.22 19.51 19.97
767 NASDAQ ALGN Fri, Feb 20, 2004 19.66 20.25 19.52 20.02
766 NASDAQ ALGN Thu, Feb 19, 2004 20.38 20.75 19.68 19.68
765 NASDAQ ALGN Wed, Feb 18, 2004 20.90 21.08 20.25 20.35
764 NASDAQ ALGN Tue, Feb 17, 2004 20.55 21.25 20.45 20.83
763 NASDAQ ALGN Fri, Feb 13, 2004 21.56 21.59 20.28 20.29
762 NASDAQ ALGN Thu, Feb 12, 2004 21.31 21.80 21.15 21.39
761 NASDAQ ALGN Wed, Feb 11, 2004 20.75 21.50 20.59 21.42
760 NASDAQ ALGN Tue, Feb 10, 2004 20.54 20.99 20.44 20.70
759 NASDAQ ALGN Mon, Feb 9, 2004 20.52 20.83 20.15 20.79
758 NASDAQ ALGN Fri, Feb 6, 2004 20.47 20.80 20.02 20.68
757 NASDAQ ALGN Thu, Feb 5, 2004 19.95 20.45 19.95 20.25
756 NASDAQ ALGN Wed, Feb 4, 2004 20.15 20.25 19.80 20.00
755 NASDAQ ALGN Tue, Feb 3, 2004 20.56 21.13 20.25 20.81
754 NASDAQ ALGN Mon, Feb 2, 2004 21.00 21.10 19.90 20.68
753 NASDAQ ALGN Fri, Jan 30, 2004 19.17 21.48 18.20 20.75
752 NASDAQ ALGN Thu, Jan 29, 2004 20.35 20.50 16.55 19.00
751 NASDAQ ALGN Wed, Jan 28, 2004 21.27 21.48 19.62 19.74
750 NASDAQ ALGN Tue, Jan 27, 2004 21.80 21.85 21.02 21.45
749 NASDAQ ALGN Mon, Jan 26, 2004 20.70 21.90 20.52 21.79
748 NASDAQ ALGN Fri, Jan 23, 2004 20.43 20.90 20.24 20.78
747 NASDAQ ALGN Thu, Jan 22, 2004 20.55 20.76 19.60 20.00
746 NASDAQ ALGN Wed, Jan 21, 2004 20.39 21.00 20.08 20.39
745 NASDAQ ALGN Tue, Jan 20, 2004 20.20 20.50 19.95 20.48
744 NASDAQ ALGN Fri, Jan 16, 2004 19.40 20.94 19.17 20.06
743 NASDAQ ALGN Thu, Jan 15, 2004 19.79 19.82 18.90 19.20
742 NASDAQ ALGN Wed, Jan 14, 2004 19.49 19.85 18.76 19.68
741 NASDAQ ALGN Tue, Jan 13, 2004 19.75 19.82 18.43 19.17
740 NASDAQ ALGN Mon, Jan 12, 2004 18.42 19.79 18.26 19.79
739 NASDAQ ALGN Fri, Jan 9, 2004 18.65 18.85 18.20 18.50
738 NASDAQ ALGN Thu, Jan 8, 2004 18.77 18.80 18.01 18.68
737 NASDAQ ALGN Wed, Jan 7, 2004 17.88 18.79 17.83 18.70
736 NASDAQ ALGN Tue, Jan 6, 2004 17.74 18.18 17.40 18.18
735 NASDAQ ALGN Mon, Jan 5, 2004 17.19 18.05 16.82 17.59
734 NASDAQ ALGN Fri, Jan 2, 2004 16.74 17.05 16.47 16.69
733 NASDAQ ALGN Wed, Dec 31, 2003 16.90 17.07 16.46 16.51
732 NASDAQ ALGN Tue, Dec 30, 2003 16.79 17.29 16.70 16.94
731 NASDAQ ALGN Mon, Dec 29, 2003 16.76 17.10 16.59 16.80
730 NASDAQ ALGN Fri, Dec 26, 2003 16.50 16.77 16.50 16.70
729 NASDAQ ALGN Wed, Dec 24, 2003 16.79 16.80 16.60 16.61
728 NASDAQ ALGN Tue, Dec 23, 2003 16.86 17.18 16.65 16.80
727 NASDAQ ALGN Mon, Dec 22, 2003 17.00 17.10 16.56 16.91
726 NASDAQ ALGN Fri, Dec 19, 2003 17.45 17.47 16.85 17.09
725 NASDAQ ALGN Thu, Dec 18, 2003 16.31 17.20 16.31 17.18
724 NASDAQ ALGN Wed, Dec 17, 2003 16.56 16.70 16.00 16.34
723 NASDAQ ALGN Tue, Dec 16, 2003 16.73 17.03 16.20 16.77
722 NASDAQ ALGN Mon, Dec 15, 2003 17.28 17.51 16.59 16.74
721 NASDAQ ALGN Fri, Dec 12, 2003 16.93 17.00 16.30 16.87
720 NASDAQ ALGN Thu, Dec 11, 2003 15.88 16.85 15.77 16.85
719 NASDAQ ALGN Wed, Dec 10, 2003 16.34 16.73 15.52 15.88
718 NASDAQ ALGN Tue, Dec 9, 2003 16.70 16.94 16.36 16.40
717 NASDAQ ALGN Mon, Dec 8, 2003 16.55 16.95 16.23 16.63
716 NASDAQ ALGN Fri, Dec 5, 2003 16.77 17.25 16.66 16.68
715 NASDAQ ALGN Thu, Dec 4, 2003 17.65 17.90 16.56 17.23
714 NASDAQ ALGN Wed, Dec 3, 2003 18.80 18.80 17.54 17.61
713 NASDAQ ALGN Tue, Dec 2, 2003 18.85 18.97 18.45 18.56
712 NASDAQ ALGN Mon, Dec 1, 2003 18.04 18.85 17.92 18.61
711 NASDAQ ALGN Fri, Nov 28, 2003 17.42 18.01 17.00 17.94
710 NASDAQ ALGN Wed, Nov 26, 2003 17.36 17.69 16.71 17.32
709 NASDAQ ALGN Tue, Nov 25, 2003 17.33 17.69 17.19 17.23
708 NASDAQ ALGN Mon, Nov 24, 2003 16.25 17.34 16.21 17.25
707 NASDAQ ALGN Fri, Nov 21, 2003 16.17 16.40 16.00 16.14
706 NASDAQ ALGN Thu, Nov 20, 2003 16.10 16.75 15.89 16.06
705 NASDAQ ALGN Wed, Nov 19, 2003 15.68 16.29 15.68 16.16
704 NASDAQ ALGN Tue, Nov 18, 2003 15.96 16.10 15.65 15.66
703 NASDAQ ALGN Mon, Nov 17, 2003 16.78 16.90 15.10 15.89
702 NASDAQ ALGN Fri, Nov 14, 2003 17.00 17.30 16.70 16.88
701 NASDAQ ALGN Thu, Nov 13, 2003 16.79 17.00 16.55 16.87
700 NASDAQ ALGN Wed, Nov 12, 2003 17.01 17.86 16.89 17.79
699 NASDAQ ALGN Tue, Nov 11, 2003 17.51 17.60 16.67 16.95
698 NASDAQ ALGN Mon, Nov 10, 2003 17.80 17.80 17.10 17.55
697 NASDAQ ALGN Fri, Nov 7, 2003 17.91 17.96 17.51 17.87
696 NASDAQ ALGN Thu, Nov 6, 2003 16.96 17.87 16.85 17.73
695 NASDAQ ALGN Wed, Nov 5, 2003 17.00 17.15 16.50 16.94
694 NASDAQ ALGN Tue, Nov 4, 2003 16.80 17.33 16.30 17.02
693 NASDAQ ALGN Mon, Nov 3, 2003 15.22 16.97 15.20 16.93
692 NASDAQ ALGN Fri, Oct 31, 2003 15.40 15.46 15.21 15.41
691 NASDAQ ALGN Thu, Oct 30, 2003 15.36 15.45 15.00 15.30
690 NASDAQ ALGN Wed, Oct 29, 2003 15.68 15.72 15.10 15.65
689 NASDAQ ALGN Tue, Oct 28, 2003 15.40 16.14 15.20 16.13
688 NASDAQ ALGN Mon, Oct 27, 2003 14.57 15.52 14.50 15.40
687 NASDAQ ALGN Fri, Oct 24, 2003 14.09 14.79 13.52 14.62
686 NASDAQ ALGN Thu, Oct 23, 2003 13.62 15.30 13.50 14.09
685 NASDAQ ALGN Wed, Oct 22, 2003 14.50 14.80 14.00 14.00
684 NASDAQ ALGN Tue, Oct 21, 2003 14.35 14.90 14.20 14.69
683 NASDAQ ALGN Mon, Oct 20, 2003 15.20 15.52 13.50 14.30
682 NASDAQ ALGN Fri, Oct 17, 2003 15.85 15.99 15.21 15.21
681 NASDAQ ALGN Thu, Oct 16, 2003 15.17 15.84 15.05 15.76
680 NASDAQ ALGN Wed, Oct 15, 2003 16.19 16.20 15.27 15.46
679 NASDAQ ALGN Tue, Oct 14, 2003 15.62 16.27 15.40 16.12
678 NASDAQ ALGN Mon, Oct 13, 2003 16.00 16.06 14.80 15.48
677 NASDAQ ALGN Fri, Oct 10, 2003 15.85 16.08 15.23 15.60
676 NASDAQ ALGN Thu, Oct 9, 2003 13.61 15.46 13.37 15.38
675 NASDAQ ALGN Wed, Oct 8, 2003 13.69 13.86 13.32 13.49
674 NASDAQ ALGN Tue, Oct 7, 2003 13.47 13.87 13.21 13.65
673 NASDAQ ALGN Mon, Oct 6, 2003 13.46 13.90 13.44 13.85
672 NASDAQ ALGN Fri, Oct 3, 2003 13.44 13.76 13.29 13.63
671 NASDAQ ALGN Thu, Oct 2, 2003 12.78 13.44 12.78 13.40
670 NASDAQ ALGN Wed, Oct 1, 2003 12.50 13.06 12.49 12.85
669 NASDAQ ALGN Tue, Sep 30, 2003 12.66 12.88 12.48 12.51
668 NASDAQ ALGN Mon, Sep 29, 2003 12.84 13.10 12.45 12.70
667 NASDAQ ALGN Fri, Sep 26, 2003 12.95 12.95 12.44 12.93
666 NASDAQ ALGN Thu, Sep 25, 2003 13.05 13.48 12.85 12.95
665 NASDAQ ALGN Wed, Sep 24, 2003 13.77 13.77 12.85 13.09
664 NASDAQ ALGN Tue, Sep 23, 2003 13.85 13.98 13.55 13.75
663 NASDAQ ALGN Mon, Sep 22, 2003 13.74 14.05 13.49 13.82
662 NASDAQ ALGN Fri, Sep 19, 2003 13.76 14.00 13.66 13.94
661 NASDAQ ALGN Thu, Sep 18, 2003 13.95 14.06 13.81 13.94
660 NASDAQ ALGN Wed, Sep 17, 2003 14.08 14.19 13.81 13.95
659 NASDAQ ALGN Tue, Sep 16, 2003 13.59 14.25 13.44 14.09
658 NASDAQ ALGN Mon, Sep 15, 2003 13.79 13.85 13.45 13.54
657 NASDAQ ALGN Fri, Sep 12, 2003 13.71 13.81 13.45 13.69
656 NASDAQ ALGN Thu, Sep 11, 2003 13.56 13.94 13.49 13.73
655 NASDAQ ALGN Wed, Sep 10, 2003 13.00 13.39 12.76 13.25
654 NASDAQ ALGN Tue, Sep 9, 2003 13.79 13.80 13.14 13.34
653 NASDAQ ALGN Mon, Sep 8, 2003 13.63 13.80 13.58 13.75
652 NASDAQ ALGN Fri, Sep 5, 2003 13.24 13.69 12.68 13.49
651 NASDAQ ALGN Thu, Sep 4, 2003 12.65 13.50 12.35 13.40
650 NASDAQ ALGN Wed, Sep 3, 2003 11.58 12.70 11.54 12.53
649 NASDAQ ALGN Tue, Sep 2, 2003 11.00 11.50 10.85 11.30
648 NASDAQ ALGN Fri, Aug 29, 2003 10.84 11.13 10.78 11.07
647 NASDAQ ALGN Thu, Aug 28, 2003 10.45 10.79 10.45 10.62
646 NASDAQ ALGN Wed, Aug 27, 2003 10.23 10.82 10.23 10.76
645 NASDAQ ALGN Tue, Aug 26, 2003 10.62 10.72 10.15 10.45
644 NASDAQ ALGN Mon, Aug 25, 2003 11.14 11.15 10.60 10.80
643 NASDAQ ALGN Fri, Aug 22, 2003 11.20 11.60 11.10 11.23
642 NASDAQ ALGN Thu, Aug 21, 2003 11.55 11.60 11.13 11.30
641 NASDAQ ALGN Wed, Aug 20, 2003 11.23 11.60 11.22 11.53
640 NASDAQ ALGN Tue, Aug 19, 2003 11.66 11.75 11.38 11.45
639 NASDAQ ALGN Mon, Aug 18, 2003 11.58 11.77 11.25 11.56
638 NASDAQ ALGN Fri, Aug 15, 2003 11.20 11.59 11.06 11.18
637 NASDAQ ALGN Thu, Aug 14, 2003 11.75 12.06 11.10 11.39
636 NASDAQ ALGN Wed, Aug 13, 2003 11.40 12.55 11.40 11.84
635 NASDAQ ALGN Tue, Aug 12, 2003 11.49 11.65 11.26 11.40
634 NASDAQ ALGN Mon, Aug 11, 2003 11.42 12.20 11.14 11.27
633 NASDAQ ALGN Fri, Aug 8, 2003 11.05 11.30 11.00 11.13
632 NASDAQ ALGN Thu, Aug 7, 2003 11.06 11.25 10.95 11.05
631 NASDAQ ALGN Wed, Aug 6, 2003 12.20 12.40 10.94 11.17
630 NASDAQ ALGN Tue, Aug 5, 2003 11.99 12.20 11.82 11.95
629 NASDAQ ALGN Mon, Aug 4, 2003 12.29 12.33 11.77 11.84
628 NASDAQ ALGN Fri, Aug 1, 2003 12.84 13.00 12.29 12.46
627 NASDAQ ALGN Thu, Jul 31, 2003 13.50 13.50 12.56 13.00
626 NASDAQ ALGN Wed, Jul 30, 2003 13.15 13.85 12.90 13.55
625 NASDAQ ALGN Tue, Jul 29, 2003 14.29 14.33 13.00 13.26
624 NASDAQ ALGN Mon, Jul 28, 2003 13.96 14.37 13.80 14.30
623 NASDAQ ALGN Fri, Jul 25, 2003 12.04 14.00 11.65 13.83
622 NASDAQ ALGN Thu, Jul 24, 2003 12.50 13.00 12.33 12.63
621 NASDAQ ALGN Wed, Jul 23, 2003 11.60 12.31 11.50 12.30
620 NASDAQ ALGN Tue, Jul 22, 2003 11.16 11.83 10.50 11.59
619 NASDAQ ALGN Mon, Jul 21, 2003 11.54 12.02 10.47 11.22
618 NASDAQ ALGN Fri, Jul 18, 2003 11.08 11.85 9.94 11.35
617 NASDAQ ALGN Thu, Jul 17, 2003 12.79 12.99 11.10 11.11
616 NASDAQ ALGN Wed, Jul 16, 2003 13.55 13.55 12.50 13.00
615 NASDAQ ALGN Tue, Jul 15, 2003 13.26 13.60 13.05 13.47
614 NASDAQ ALGN Mon, Jul 14, 2003 13.10 13.70 13.05 13.18
613 NASDAQ ALGN Fri, Jul 11, 2003 13.29 13.90 13.24 13.38
612 NASDAQ ALGN Thu, Jul 10, 2003 14.30 14.30 12.90 13.50
611 NASDAQ ALGN Wed, Jul 9, 2003 13.34 13.95 12.50 13.85
610 NASDAQ ALGN Tue, Jul 8, 2003 14.10 14.10 13.29 13.37
609 NASDAQ ALGN Mon, Jul 7, 2003 14.70 14.77 14.00 14.10
608 NASDAQ ALGN Thu, Jul 3, 2003 13.60 14.01 13.50 13.80
607 NASDAQ ALGN Wed, Jul 2, 2003 13.11 13.72 12.89 13.60
606 NASDAQ ALGN Tue, Jul 1, 2003 13.04 13.07 12.19 13.04
605 NASDAQ ALGN Mon, Jun 30, 2003 11.88 12.69 11.85 12.60
604 NASDAQ ALGN Fri, Jun 27, 2003 11.50 12.06 11.50 11.87
603 NASDAQ ALGN Thu, Jun 26, 2003 11.53 11.75 10.68 11.74
602 NASDAQ ALGN Wed, Jun 25, 2003 11.40 11.51 11.26 11.37
601 NASDAQ ALGN Tue, Jun 24, 2003 11.50 11.75 11.48 11.48
600 NASDAQ ALGN Mon, Jun 23, 2003 11.98 11.98 11.25 11.50
599 NASDAQ ALGN Fri, Jun 20, 2003 11.95 11.98 11.50 11.75
598 NASDAQ ALGN Thu, Jun 19, 2003 11.75 11.90 11.50 11.66
597 NASDAQ ALGN Wed, Jun 18, 2003 12.01 12.03 11.35 11.81
596 NASDAQ ALGN Tue, Jun 17, 2003 11.83 11.91 11.36 11.90
595 NASDAQ ALGN Mon, Jun 16, 2003 10.75 12.07 10.65 11.75
594 NASDAQ ALGN Fri, Jun 13, 2003 11.02 11.14 10.75 10.81
593 NASDAQ ALGN Thu, Jun 12, 2003 10.98 11.25 10.75 11.00
592 NASDAQ ALGN Wed, Jun 11, 2003 10.00 11.09 9.85 10.89
591 NASDAQ ALGN Tue, Jun 10, 2003 9.69 10.38 9.40 10.08
590 NASDAQ ALGN Mon, Jun 9, 2003 9.33 10.08 9.25 9.68
589 NASDAQ ALGN Fri, Jun 6, 2003 10.10 10.38 9.34 9.49
588 NASDAQ ALGN Thu, Jun 5, 2003 10.41 10.61 10.01 10.22
587 NASDAQ ALGN Wed, Jun 4, 2003 10.40 10.73 10.25 10.30
586 NASDAQ ALGN Tue, Jun 3, 2003 10.16 10.65 10.03 10.30
585 NASDAQ ALGN Mon, Jun 2, 2003 10.17 10.85 10.00 10.23
584 NASDAQ ALGN Fri, May 30, 2003 10.55 10.65 10.06 10.13
583 NASDAQ ALGN Thu, May 29, 2003 9.55 11.40 9.48 10.61
582 NASDAQ ALGN Wed, May 28, 2003 9.40 10.09 8.81 9.65
581 NASDAQ ALGN Tue, May 27, 2003 9.15 9.29 8.70 9.28
580 NASDAQ ALGN Fri, May 23, 2003 9.05 9.15 8.80 9.08
579 NASDAQ ALGN Thu, May 22, 2003 8.95 9.34 8.71 9.08
578 NASDAQ ALGN Wed, May 21, 2003 6.80 9.19 6.80 8.89
577 NASDAQ ALGN Tue, May 20, 2003 7.99 8.07 7.25 7.89
576 NASDAQ ALGN Mon, May 19, 2003 8.38 8.51 7.97 7.98
575 NASDAQ ALGN Fri, May 16, 2003 8.78 8.84 8.42 8.43
574 NASDAQ ALGN Thu, May 15, 2003 8.80 8.84 8.56 8.84
573 NASDAQ ALGN Wed, May 14, 2003 8.75 8.79 8.55 8.66
572 NASDAQ ALGN Tue, May 13, 2003 8.56 8.75 8.40 8.72
571 NASDAQ ALGN Mon, May 12, 2003 8.00 8.79 7.95 8.70
570 NASDAQ ALGN Fri, May 9, 2003 7.86 8.38 7.84 8.01
569 NASDAQ ALGN Thu, May 8, 2003 7.80 7.99 7.50 7.78
568 NASDAQ ALGN Wed, May 7, 2003 8.15 8.16 7.75 7.79
567 NASDAQ ALGN Tue, May 6, 2003 8.09 8.47 8.05 8.16
566 NASDAQ ALGN Mon, May 5, 2003 7.99 8.47 7.79 8.16
565 NASDAQ ALGN Fri, May 2, 2003 7.95 8.02 7.75 7.85
564 NASDAQ ALGN Thu, May 1, 2003 7.66 7.88 7.19 7.88
563 NASDAQ ALGN Wed, Apr 30, 2003 7.22 7.66 7.15 7.52
562 NASDAQ ALGN Tue, Apr 29, 2003 6.37 7.35 6.37 7.10
561 NASDAQ ALGN Mon, Apr 28, 2003 6.19 6.46 6.01 6.46
560 NASDAQ ALGN Fri, Apr 25, 2003 6.10 6.59 5.96 6.12
559 NASDAQ ALGN Thu, Apr 24, 2003 6.49 6.50 5.53 5.75
558 NASDAQ ALGN Wed, Apr 23, 2003 6.20 6.35 5.93 6.15
557 NASDAQ ALGN Tue, Apr 22, 2003 6.15 6.40 5.90 6.20
556 NASDAQ ALGN Mon, Apr 21, 2003 6.70 6.89 6.20 6.21
555 NASDAQ ALGN Thu, Apr 17, 2003 6.73 6.90 6.65 6.84
554 NASDAQ ALGN Wed, Apr 16, 2003 6.93 6.93 6.66 6.67
553 NASDAQ ALGN Tue, Apr 15, 2003 6.79 6.85 6.59 6.85
552 NASDAQ ALGN Mon, Apr 14, 2003 6.60 6.79 6.47 6.76
551 NASDAQ ALGN Fri, Apr 11, 2003 6.66 6.90 6.34 6.66
550 NASDAQ ALGN Thu, Apr 10, 2003 6.77 6.87 6.60 6.71
549 NASDAQ ALGN Wed, Apr 9, 2003 6.63 6.89 6.61 6.83
548 NASDAQ ALGN Tue, Apr 8, 2003 6.80 6.80 6.50 6.60
547 NASDAQ ALGN Mon, Apr 7, 2003 6.79 6.98 6.50 6.62
546 NASDAQ ALGN Fri, Apr 4, 2003 6.85 6.89 6.35 6.55
545 NASDAQ ALGN Thu, Apr 3, 2003 6.89 7.00 6.56 6.64
544 NASDAQ ALGN Wed, Apr 2, 2003 5.95 6.85 5.95 6.66
543 NASDAQ ALGN Tue, Apr 1, 2003 6.13 6.13 5.90 6.00
542 NASDAQ ALGN Mon, Mar 31, 2003 6.13 6.13 6.00 6.05
541 NASDAQ ALGN Fri, Mar 28, 2003 6.00 6.24 5.95 6.13
540 NASDAQ ALGN Thu, Mar 27, 2003 6.10 6.15 6.00 6.09
539 NASDAQ ALGN Wed, Mar 26, 2003 5.64 6.24 5.50 6.08
538 NASDAQ ALGN Tue, Mar 25, 2003 5.13 5.68 5.12 5.57
537 NASDAQ ALGN Mon, Mar 24, 2003 5.40 5.44 5.10 5.27
536 NASDAQ ALGN Fri, Mar 21, 2003 5.43 5.52 5.02 5.45
535 NASDAQ ALGN Thu, Mar 20, 2003 5.26 5.50 4.97 5.39
534 NASDAQ ALGN Wed, Mar 19, 2003 5.49 5.50 5.25 5.32
533 NASDAQ ALGN Tue, Mar 18, 2003 5.40 5.50 5.25 5.48
532 NASDAQ ALGN Mon, Mar 17, 2003 4.98 5.34 4.97 5.32
531 NASDAQ ALGN Fri, Mar 14, 2003 5.00 5.20 4.90 5.20
530 NASDAQ ALGN Thu, Mar 13, 2003 4.84 5.12 4.70 5.01
529 NASDAQ ALGN Wed, Mar 12, 2003 4.72 4.84 4.71 4.84
528 NASDAQ ALGN Tue, Mar 11, 2003 4.72 4.85 4.70 4.80
527 NASDAQ ALGN Mon, Mar 10, 2003 4.69 4.75 4.66 4.71
526 NASDAQ ALGN Fri, Mar 7, 2003 4.51 4.90 4.51 4.69
525 NASDAQ ALGN Thu, Mar 6, 2003 4.50 4.51 4.32 4.51
524 NASDAQ ALGN Wed, Mar 5, 2003 4.73 4.73 4.10 4.44
523 NASDAQ ALGN Tue, Mar 4, 2003 4.81 4.85 4.51 4.65
522 NASDAQ ALGN Mon, Mar 3, 2003 4.65 4.90 4.57 4.77
521 NASDAQ ALGN Fri, Feb 28, 2003 4.79 4.99 4.58 4.71
520 NASDAQ ALGN Thu, Feb 27, 2003 4.41 4.85 4.40 4.78
519 NASDAQ ALGN Wed, Feb 26, 2003 4.56 4.75 4.26 4.65
518 NASDAQ ALGN Tue, Feb 25, 2003 4.20 4.75 3.75 4.49
517 NASDAQ ALGN Mon, Feb 24, 2003 4.29 4.37 4.20 4.20
516 NASDAQ ALGN Fri, Feb 21, 2003 4.68 4.75 4.30 4.40
515 NASDAQ ALGN Thu, Feb 20, 2003 4.04 4.75 3.99 4.62
514 NASDAQ ALGN Wed, Feb 19, 2003 3.99 4.10 3.99 4.05
513 NASDAQ ALGN Tue, Feb 18, 2003 4.01 4.10 3.96 4.00
512 NASDAQ ALGN Fri, Feb 14, 2003 3.65 4.10 3.58 3.93
511 NASDAQ ALGN Thu, Feb 13, 2003 3.55 3.65 3.50 3.60
510 NASDAQ ALGN Wed, Feb 12, 2003 3.60 3.65 3.52 3.56
509 NASDAQ ALGN Tue, Feb 11, 2003 3.65 3.65 3.50 3.59
508 NASDAQ ALGN Mon, Feb 10, 2003 3.50 3.68 3.50 3.65
507 NASDAQ ALGN Fri, Feb 7, 2003 3.53 3.65 3.50 3.65
506 NASDAQ ALGN Thu, Feb 6, 2003 3.32 3.74 3.32 3.70
505 NASDAQ ALGN Wed, Feb 5, 2003 3.20 3.53 3.11 3.43
504 NASDAQ ALGN Tue, Feb 4, 2003 3.21 3.21 3.15 3.20
503 NASDAQ ALGN Mon, Feb 3, 2003 3.30 3.34 3.21 3.30
502 NASDAQ ALGN Fri, Jan 31, 2003 3.10 3.35 3.10 3.30
501 NASDAQ ALGN Thu, Jan 30, 2003 3.12 3.35 3.02 3.13
500 NASDAQ ALGN Wed, Jan 29, 2003 3.10 3.15 3.00 3.14
499 NASDAQ ALGN Tue, Jan 28, 2003 2.91 3.20 2.91 3.19
498 NASDAQ ALGN Mon, Jan 27, 2003 2.91 3.00 2.85 2.93
497 NASDAQ ALGN Fri, Jan 24, 2003 3.21 3.33 3.01 3.01
496 NASDAQ ALGN Thu, Jan 23, 2003 3.20 3.30 3.20 3.23
495 NASDAQ ALGN Wed, Jan 22, 2003 3.30 3.30 3.20 3.22
494 NASDAQ ALGN Tue, Jan 21, 2003 3.16 3.30 3.14 3.20
493 NASDAQ ALGN Fri, Jan 17, 2003 3.19 3.29 3.17 3.25
492 NASDAQ ALGN Thu, Jan 16, 2003 3.16 3.34 3.16 3.29
491 NASDAQ ALGN Wed, Jan 15, 2003 3.15 3.27 3.13 3.19
490 NASDAQ ALGN Tue, Jan 14, 2003 3.30 3.30 3.12 3.30
489 NASDAQ ALGN Mon, Jan 13, 2003 3.22 3.34 3.19 3.25
488 NASDAQ ALGN Fri, Jan 10, 2003 3.05 3.30 3.02 3.22
487 NASDAQ ALGN Thu, Jan 9, 2003 3.00 3.09 2.98 3.07
486 NASDAQ ALGN Wed, Jan 8, 2003 3.07 3.07 2.95 3.01
485 NASDAQ ALGN Tue, Jan 7, 2003 2.93 3.07 2.87 3.03
484 NASDAQ ALGN Mon, Jan 6, 2003 2.67 2.86 2.64 2.85
483 NASDAQ ALGN Fri, Jan 3, 2003 2.78 2.78 2.54 2.63
482 NASDAQ ALGN Thu, Jan 2, 2003 2.95 2.98 2.69 2.73
481 NASDAQ ALGN Tue, Dec 31, 2002 2.93 2.97 2.70 2.76
480 NASDAQ ALGN Mon, Dec 30, 2002 2.96 3.07 2.76 2.95
479 NASDAQ ALGN Fri, Dec 27, 2002 2.96 3.15 2.91 2.98
478 NASDAQ ALGN Thu, Dec 26, 2002 2.90 3.05 2.86 2.95
477 NASDAQ ALGN Tue, Dec 24, 2002 2.95 2.99 2.90 2.90
476 NASDAQ ALGN Mon, Dec 23, 2002 3.10 3.24 2.81 2.95
475 NASDAQ ALGN Fri, Dec 20, 2002 2.97 3.30 2.86 3.05
474 NASDAQ ALGN Thu, Dec 19, 2002 3.05 3.10 2.85 2.90
473 NASDAQ ALGN Wed, Dec 18, 2002 3.25 3.37 2.98 3.05
472 NASDAQ ALGN Tue, Dec 17, 2002 3.36 3.40 3.10 3.28
471 NASDAQ ALGN Mon, Dec 16, 2002 3.18 3.50 3.05 3.43
470 NASDAQ ALGN Fri, Dec 13, 2002 3.10 3.35 3.01 3.18
469 NASDAQ ALGN Thu, Dec 12, 2002 2.75 3.15 2.75 3.00
468 NASDAQ ALGN Wed, Dec 11, 2002 2.60 2.86 2.51 2.85
467 NASDAQ ALGN Tue, Dec 10, 2002 2.61 2.65 2.50 2.54
466 NASDAQ ALGN Mon, Dec 9, 2002 2.42 2.68 2.42 2.45
465 NASDAQ ALGN Fri, Dec 6, 2002 2.41 2.48 2.38 2.44
464 NASDAQ ALGN Thu, Dec 5, 2002 2.70 2.74 2.50 2.50
463 NASDAQ ALGN Wed, Dec 4, 2002 2.65 2.75 2.58 2.65
462 NASDAQ ALGN Tue, Dec 3, 2002 3.19 3.19 2.76 2.89
461 NASDAQ ALGN Mon, Dec 2, 2002 3.49 3.51 3.15 3.16
460 NASDAQ ALGN Fri, Nov 29, 2002 3.30 3.62 3.26 3.59
459 NASDAQ ALGN Wed, Nov 27, 2002 3.34 3.50 3.16 3.25
458 NASDAQ ALGN Tue, Nov 26, 2002 3.49 3.50 3.20 3.32
457 NASDAQ ALGN Mon, Nov 25, 2002 2.97 3.42 2.85 3.16
456 NASDAQ ALGN Fri, Nov 22, 2002 2.45 3.00 2.40 2.91
455 NASDAQ ALGN Thu, Nov 21, 2002 2.12 2.46 2.12 2.46
454 NASDAQ ALGN Wed, Nov 20, 2002 1.95 2.15 1.90 2.09
453 NASDAQ ALGN Tue, Nov 19, 2002 1.92 2.10 1.84 1.99
452 NASDAQ ALGN Mon, Nov 18, 2002 2.06 2.22 1.83 2.02
451 NASDAQ ALGN Fri, Nov 15, 2002 1.50 2.37 1.50 1.98
450 NASDAQ ALGN Thu, Nov 14, 2002 1.33 1.48 1.26 1.39
449 NASDAQ ALGN Wed, Nov 13, 2002 1.38 1.48 1.26 1.30
448 NASDAQ ALGN Tue, Nov 12, 2002 1.46 1.54 1.27 1.37
447 NASDAQ ALGN Mon, Nov 11, 2002 1.52 1.60 1.43 1.45
446 NASDAQ ALGN Fri, Nov 8, 2002 1.61 1.70 1.53 1.57
445 NASDAQ ALGN Thu, Nov 7, 2002 1.73 1.73 1.59 1.61
444 NASDAQ ALGN Wed, Nov 6, 2002 1.73 1.74 1.59 1.72
443 NASDAQ ALGN Tue, Nov 5, 2002 1.75 1.79 1.66 1.70
442 NASDAQ ALGN Mon, Nov 4, 2002 1.92 1.92 1.66 1.71
441 NASDAQ ALGN Fri, Nov 1, 2002 2.02 2.03 1.72 1.82
440 NASDAQ ALGN Thu, Oct 31, 2002 1.75 1.85 1.70 1.77
439 NASDAQ ALGN Wed, Oct 30, 2002 1.71 1.95 1.66 1.73
438 NASDAQ ALGN Tue, Oct 29, 2002 1.97 1.98 1.68 1.71
437 NASDAQ ALGN Mon, Oct 28, 2002 2.04 2.04 1.85 1.89
436 NASDAQ ALGN Fri, Oct 25, 2002 1.99 2.14 1.90 1.99
435 NASDAQ ALGN Thu, Oct 24, 2002 2.19 2.31 1.75 1.99
434 NASDAQ ALGN Wed, Oct 23, 2002 2.26 2.56 2.15 2.47
433 NASDAQ ALGN Tue, Oct 22, 2002 2.51 2.51 2.25 2.25
432 NASDAQ ALGN Mon, Oct 21, 2002 2.15 2.45 2.15 2.45
431 NASDAQ ALGN Fri, Oct 18, 2002 2.14 2.36 2.10 2.11
430 NASDAQ ALGN Thu, Oct 17, 2002 2.18 2.18 2.00 2.15
429 NASDAQ ALGN Wed, Oct 16, 2002 2.10 2.19 2.01 2.01
428 NASDAQ ALGN Tue, Oct 15, 2002 2.24 2.39 2.01 2.11
427 NASDAQ ALGN Mon, Oct 14, 2002 2.24 2.29 2.00 2.02
426 NASDAQ ALGN Fri, Oct 11, 2002 1.96 2.25 1.96 2.25
425 NASDAQ ALGN Thu, Oct 10, 2002 2.07 2.16 1.85 2.07
424 NASDAQ ALGN Wed, Oct 9, 2002 2.39 2.60 1.99 2.01
423 NASDAQ ALGN Tue, Oct 8, 2002 2.60 2.85 2.34 2.40
422 NASDAQ ALGN Mon, Oct 7, 2002 2.60 2.90 2.41 2.43
421 NASDAQ ALGN Fri, Oct 4, 2002 2.91 2.95 2.49 2.50
420 NASDAQ ALGN Thu, Oct 3, 2002 2.85 3.00 2.74 2.87
419 NASDAQ ALGN Wed, Oct 2, 2002 2.83 3.08 2.83 2.91
418 NASDAQ ALGN Tue, Oct 1, 2002 2.80 2.95 2.69 2.95
417 NASDAQ ALGN Mon, Sep 30, 2002 2.62 2.90 2.53 2.75
416 NASDAQ ALGN Fri, Sep 27, 2002 3.08 3.08 2.52 2.60
415 NASDAQ ALGN Thu, Sep 26, 2002 2.85 3.02 2.80 2.95
414 NASDAQ ALGN Wed, Sep 25, 2002 2.64 3.00 2.64 2.90
413 NASDAQ ALGN Tue, Sep 24, 2002 2.77 2.87 2.59 2.72
412 NASDAQ ALGN Mon, Sep 23, 2002 2.99 3.19 2.64 2.90
411 NASDAQ ALGN Fri, Sep 20, 2002 3.16 3.20 2.87 3.18
410 NASDAQ ALGN Thu, Sep 19, 2002 3.25 3.25 2.87 3.08
409 NASDAQ ALGN Wed, Sep 18, 2002 3.14 3.26 3.11 3.21
408 NASDAQ ALGN Tue, Sep 17, 2002 3.22 3.22 3.06 3.13
407 NASDAQ ALGN Mon, Sep 16, 2002 3.29 3.29 3.10 3.12
406 NASDAQ ALGN Fri, Sep 13, 2002 3.10 3.26 3.01 3.25
405 NASDAQ ALGN Thu, Sep 12, 2002 3.10 3.24 2.92 3.01
404 NASDAQ ALGN Wed, Sep 11, 2002 3.28 3.28 3.00 3.12
403 NASDAQ ALGN Tue, Sep 10, 2002 3.26 3.31 3.11 3.26
402 NASDAQ ALGN Mon, Sep 9, 2002 3.23 3.30 3.16 3.27
401 NASDAQ ALGN Fri, Sep 6, 2002 3.27 3.27 3.18 3.25
400 NASDAQ ALGN Thu, Sep 5, 2002 3.37 3.40 3.16 3.17
399 NASDAQ ALGN Wed, Sep 4, 2002 3.08 3.40 3.08 3.32
398 NASDAQ ALGN Tue, Sep 3, 2002 2.95 3.20 2.95 3.15
397 NASDAQ ALGN Fri, Aug 30, 2002 3.39 3.74 3.00 3.00
396 NASDAQ ALGN Thu, Aug 29, 2002 2.92 3.38 2.92 3.34
395 NASDAQ ALGN Wed, Aug 28, 2002 2.79 3.14 2.79 2.81
394 NASDAQ ALGN Tue, Aug 27, 2002 2.46 3.14 2.46 2.84
393 NASDAQ ALGN Mon, Aug 26, 2002 2.47 2.66 2.28 2.55
392 NASDAQ ALGN Fri, Aug 23, 2002 2.42 2.49 2.40 2.41
391 NASDAQ ALGN Thu, Aug 22, 2002 2.38 2.45 2.32 2.45
390 NASDAQ ALGN Wed, Aug 21, 2002 2.35 2.45 2.30 2.38
389 NASDAQ ALGN Tue, Aug 20, 2002 2.43 2.44 2.30 2.34
388 NASDAQ ALGN Mon, Aug 19, 2002 2.47 2.49 2.30 2.38
387 NASDAQ ALGN Fri, Aug 16, 2002 2.39 2.45 2.25 2.44
386 NASDAQ ALGN Thu, Aug 15, 2002 2.40 2.41 2.31 2.35
385 NASDAQ ALGN Wed, Aug 14, 2002 2.44 2.45 2.31 2.43
384 NASDAQ ALGN Tue, Aug 13, 2002 2.42 2.43 2.37 2.37
383 NASDAQ ALGN Mon, Aug 12, 2002 2.43 2.45 2.35 2.45
382 NASDAQ ALGN Fri, Aug 9, 2002 2.42 2.45 2.35 2.35
381 NASDAQ ALGN Thu, Aug 8, 2002 2.40 2.44 2.35 2.44
380 NASDAQ ALGN Wed, Aug 7, 2002 2.41 2.52 2.35 2.52
379 NASDAQ ALGN Tue, Aug 6, 2002 2.43 2.48 2.22 2.35
378 NASDAQ ALGN Mon, Aug 5, 2002 2.22 2.50 2.22 2.35
377 NASDAQ ALGN Fri, Aug 2, 2002 2.50 2.50 2.18 2.18
376 NASDAQ ALGN Thu, Aug 1, 2002 2.35 2.53 2.28 2.49
375 NASDAQ ALGN Wed, Jul 31, 2002 2.51 2.51 2.31 2.35
374 NASDAQ ALGN Tue, Jul 30, 2002 2.37 2.50 2.27 2.50
373 NASDAQ ALGN Mon, Jul 29, 2002 2.00 2.43 2.00 2.30
372 NASDAQ ALGN Fri, Jul 26, 2002 2.19 2.24 2.04 2.04
371 NASDAQ ALGN Thu, Jul 25, 2002 2.15 2.43 1.90 1.99
370 NASDAQ ALGN Wed, Jul 24, 2002 2.26 2.50 2.14 2.15
369 NASDAQ ALGN Tue, Jul 23, 2002 2.45 2.50 2.30 2.33
368 NASDAQ ALGN Mon, Jul 22, 2002 2.34 2.55 2.05 2.49
367 NASDAQ ALGN Fri, Jul 19, 2002 2.46 2.49 2.26 2.27
366 NASDAQ ALGN Thu, Jul 18, 2002 2.44 2.59 2.37 2.45
365 NASDAQ ALGN Wed, Jul 17, 2002 2.35 2.40 2.17 2.28
364 NASDAQ ALGN Tue, Jul 16, 2002 2.24 2.39 2.13 2.20
363 NASDAQ ALGN Mon, Jul 15, 2002 2.24 2.50 2.03 2.16
362 NASDAQ ALGN Fri, Jul 12, 2002 1.85 2.20 1.75 2.02
361 NASDAQ ALGN Thu, Jul 11, 2002 1.86 1.95 1.54 1.70
360 NASDAQ ALGN Wed, Jul 10, 2002 2.51 2.52 1.53 1.74
359 NASDAQ ALGN Tue, Jul 9, 2002 2.91 2.93 2.68 2.82
358 NASDAQ ALGN Mon, Jul 8, 2002 3.00 3.14 2.79 2.90
357 NASDAQ ALGN Fri, Jul 5, 2002 3.10 3.11 2.91 3.05
356 NASDAQ ALGN Wed, Jul 3, 2002 3.26 3.35 3.10 3.10
355 NASDAQ ALGN Tue, Jul 2, 2002 3.25 3.50 3.25 3.40
354 NASDAQ ALGN Mon, Jul 1, 2002 3.92 3.92 2.99 3.50
353 NASDAQ ALGN Fri, Jun 28, 2002 3.96 4.15 3.75 3.92
352 NASDAQ ALGN Thu, Jun 27, 2002 3.54 3.83 3.50 3.77
351 NASDAQ ALGN Wed, Jun 26, 2002 3.33 3.60 3.09 3.60
350 NASDAQ ALGN Tue, Jun 25, 2002 3.91 4.00 3.25 3.40
349 NASDAQ ALGN Mon, Jun 24, 2002 3.71 4.00 3.45 3.97
348 NASDAQ ALGN Fri, Jun 21, 2002 3.85 3.90 3.68 3.78
347 NASDAQ ALGN Thu, Jun 20, 2002 3.81 4.00 3.81 3.90
346 NASDAQ ALGN Wed, Jun 19, 2002 3.81 4.00 3.68 3.80
345 NASDAQ ALGN Tue, Jun 18, 2002 3.70 4.00 3.64 4.00
344 NASDAQ ALGN Mon, Jun 17, 2002 3.81 4.02 3.56 4.00
343 NASDAQ ALGN Fri, Jun 14, 2002 3.88 3.99 3.53 3.58
342 NASDAQ ALGN Thu, Jun 13, 2002 3.87 4.00 3.85 3.93
341 NASDAQ ALGN Wed, Jun 12, 2002 3.35 3.85 3.35 3.85
340 NASDAQ ALGN Tue, Jun 11, 2002 3.94 4.05 3.27 3.32
339 NASDAQ ALGN Mon, Jun 10, 2002 3.95 4.06 3.80 4.05
338 NASDAQ ALGN Fri, Jun 7, 2002 3.99 4.05 3.85 4.00
337 NASDAQ ALGN Thu, Jun 6, 2002 3.99 4.05 3.87 4.00
336 NASDAQ ALGN Wed, Jun 5, 2002 4.00 4.05 3.90 3.98
335 NASDAQ ALGN Tue, Jun 4, 2002 3.88 4.05 3.87 4.05
334 NASDAQ ALGN Mon, Jun 3, 2002 3.86 4.06 3.85 4.00
333 NASDAQ ALGN Fri, May 31, 2002 4.00 4.04 3.85 3.85
332 NASDAQ ALGN Thu, May 30, 2002 4.00 4.03 3.81 4.00
331 NASDAQ ALGN Wed, May 29, 2002 3.99 4.02 3.76 4.00
330 NASDAQ ALGN Tue, May 28, 2002 3.77 4.00 3.62 3.92
329 NASDAQ ALGN Fri, May 24, 2002 3.90 3.90 3.69 3.77
328 NASDAQ ALGN Thu, May 23, 2002 3.77 3.91 3.51 3.91
327 NASDAQ ALGN Wed, May 22, 2002 3.86 4.00 3.75 3.77
326 NASDAQ ALGN Tue, May 21, 2002 3.96 4.05 3.85 4.00
325 NASDAQ ALGN Mon, May 20, 2002 4.02 4.05 3.88 3.98
324 NASDAQ ALGN Fri, May 17, 2002 4.04 4.06 3.97 4.05
323 NASDAQ ALGN Thu, May 16, 2002 3.95 4.04 3.92 4.04
322 NASDAQ ALGN Wed, May 15, 2002 3.82 4.04 3.80 4.00
321 NASDAQ ALGN Tue, May 14, 2002 3.95 4.00 3.83 3.91
320 NASDAQ ALGN Mon, May 13, 2002 4.05 4.05 3.81 3.83
319 NASDAQ ALGN Fri, May 10, 2002 3.98 4.08 3.93 4.05
318 NASDAQ ALGN Thu, May 9, 2002 4.05 4.05 3.97 4.00
317 NASDAQ ALGN Wed, May 8, 2002 3.95 4.05 3.95 4.01
316 NASDAQ ALGN Tue, May 7, 2002 4.04 4.05 3.95 3.96
315 NASDAQ ALGN Mon, May 6, 2002 4.00 4.05 3.94 4.02
314 NASDAQ ALGN Fri, May 3, 2002 4.00 4.05 3.95 3.99
313 NASDAQ ALGN Thu, May 2, 2002 3.98 4.07 3.78 4.00
312 NASDAQ ALGN Wed, May 1, 2002 3.83 3.98 3.72 3.89
311 NASDAQ ALGN Tue, Apr 30, 2002 3.85 4.01 3.70 3.85
310 NASDAQ ALGN Mon, Apr 29, 2002 3.51 3.75 3.51 3.70
309 NASDAQ ALGN Fri, Apr 26, 2002 4.10 4.15 3.33 3.40
308 NASDAQ ALGN Thu, Apr 25, 2002 4.52 4.52 3.96 4.17
307 NASDAQ ALGN Wed, Apr 24, 2002 4.61 4.62 4.36 4.46
306 NASDAQ ALGN Tue, Apr 23, 2002 4.58 4.58 4.38 4.43
305 NASDAQ ALGN Mon, Apr 22, 2002 4.53 4.55 4.42 4.51
304 NASDAQ ALGN Fri, Apr 19, 2002 4.47 4.55 4.45 4.50
303 NASDAQ ALGN Thu, Apr 18, 2002 4.35 4.47 4.30 4.42
302 NASDAQ ALGN Wed, Apr 17, 2002 4.38 4.45 4.25 4.29
301 NASDAQ ALGN Tue, Apr 16, 2002 4.40 4.45 4.25 4.43
300 NASDAQ ALGN Mon, Apr 15, 2002 4.31 4.43 4.30 4.40
299 NASDAQ ALGN Fri, Apr 12, 2002 4.50 4.55 4.27 4.35
298 NASDAQ ALGN Thu, Apr 11, 2002 4.55 4.55 4.45 4.49
297 NASDAQ ALGN Wed, Apr 10, 2002 4.48 4.70 4.40 4.54
296 NASDAQ ALGN Tue, Apr 9, 2002 4.47 4.65 4.42 4.57
295 NASDAQ ALGN Mon, Apr 8, 2002 4.89 4.90 4.45 4.50
294 NASDAQ ALGN Fri, Apr 5, 2002 4.95 5.00 4.78 4.78
293 NASDAQ ALGN Thu, Apr 4, 2002 4.96 5.08 4.86 5.00
292 NASDAQ ALGN Wed, Apr 3, 2002 5.34 5.35 4.90 5.00
291 NASDAQ ALGN Tue, Apr 2, 2002 5.35 5.35 5.15 5.20
290 NASDAQ ALGN Mon, Apr 1, 2002 5.34 5.52 5.00 5.48
289 NASDAQ ALGN Thu, Mar 28, 2002 5.00 5.40 4.99 5.30
288 NASDAQ ALGN Wed, Mar 27, 2002 5.04 5.25 4.93 4.95
287 NASDAQ ALGN Tue, Mar 26, 2002 4.90 5.19 4.65 5.03
286 NASDAQ ALGN Mon, Mar 25, 2002 4.40 5.00 4.25 4.85
285 NASDAQ ALGN Fri, Mar 22, 2002 4.27 4.51 4.25 4.40
284 NASDAQ ALGN Thu, Mar 21, 2002 4.48 4.60 4.20 4.27
283 NASDAQ ALGN Wed, Mar 20, 2002 4.50 4.84 4.48 4.51
282 NASDAQ ALGN Tue, Mar 19, 2002 4.85 4.89 4.39 4.50
281 NASDAQ ALGN Mon, Mar 18, 2002 4.75 4.95 4.55 4.95
280 NASDAQ ALGN Fri, Mar 15, 2002 4.71 4.80 4.40 4.70
279 NASDAQ ALGN Thu, Mar 14, 2002 4.56 4.80 4.45 4.75
278 NASDAQ ALGN Wed, Mar 13, 2002 4.65 4.70 4.60 4.64
277 NASDAQ ALGN Tue, Mar 12, 2002 4.65 4.85 4.61 4.62
276 NASDAQ ALGN Mon, Mar 11, 2002 4.59 4.80 4.25 4.78
275 NASDAQ ALGN Fri, Mar 8, 2002 4.30 4.50 4.17 4.50
274 NASDAQ ALGN Thu, Mar 7, 2002 4.06 4.37 4.03 4.09
273 NASDAQ ALGN Wed, Mar 6, 2002 4.17 4.30 4.05 4.05
272 NASDAQ ALGN Tue, Mar 5, 2002 4.30 4.40 4.10 4.15
271 NASDAQ ALGN Mon, Mar 4, 2002 4.26 4.55 4.10 4.40
270 NASDAQ ALGN Fri, Mar 1, 2002 4.25 4.40 4.20 4.34
269 NASDAQ ALGN Thu, Feb 28, 2002 4.34 4.35 4.17 4.25
268 NASDAQ ALGN Wed, Feb 27, 2002 4.20 4.34 4.11 4.33
267 NASDAQ ALGN Tue, Feb 26, 2002 4.21 4.25 4.10 4.17
266 NASDAQ ALGN Mon, Feb 25, 2002 4.31 4.49 4.15 4.25
265 NASDAQ ALGN Fri, Feb 22, 2002 4.45 4.58 4.27 4.40
264 NASDAQ ALGN Thu, Feb 21, 2002 4.41 4.46 4.30 4.35
263 NASDAQ ALGN Wed, Feb 20, 2002 4.67 4.67 4.31 4.45
262 NASDAQ ALGN Tue, Feb 19, 2002 4.80 4.80 4.47 4.63
261 NASDAQ ALGN Fri, Feb 15, 2002 4.36 4.85 4.30 4.80
260 NASDAQ ALGN Thu, Feb 14, 2002 4.79 4.79 4.27 4.51
259 NASDAQ ALGN Wed, Feb 13, 2002 4.77 4.80 4.10 4.78
258 NASDAQ ALGN Tue, Feb 12, 2002 4.58 4.91 4.55 4.90
257 NASDAQ ALGN Mon, Feb 11, 2002 4.42 4.70 4.40 4.57
256 NASDAQ ALGN Fri, Feb 8, 2002 4.68 4.71 4.10 4.36
255 NASDAQ ALGN Thu, Feb 7, 2002 4.60 4.88 4.60 4.68
254 NASDAQ ALGN Wed, Feb 6, 2002 5.03 5.05 4.80 4.87
253 NASDAQ ALGN Tue, Feb 5, 2002 5.33 5.33 4.90 4.90
252 NASDAQ ALGN Mon, Feb 4, 2002 5.54 5.58 4.93 5.08
251 NASDAQ ALGN Fri, Feb 1, 2002 4.89 5.19 4.84 4.95
250 NASDAQ ALGN Thu, Jan 31, 2002 4.51 4.97 4.51 4.88
249 NASDAQ ALGN Wed, Jan 30, 2002 4.02 4.55 4.01 4.55
248 NASDAQ ALGN Tue, Jan 29, 2002 4.33 4.38 4.02 4.15
247 NASDAQ ALGN Mon, Jan 28, 2002 4.41 4.64 4.22 4.30
246 NASDAQ ALGN Fri, Jan 25, 2002 4.32 4.75 4.00 4.45
245 NASDAQ ALGN Thu, Jan 24, 2002 4.57 4.63 4.23 4.30
244 NASDAQ ALGN Wed, Jan 23, 2002 4.83 5.01 4.25 4.42
243 NASDAQ ALGN Tue, Jan 22, 2002 5.30 5.55 4.85 4.89
242 NASDAQ ALGN Fri, Jan 18, 2002 5.75 5.76 5.25 5.30
241 NASDAQ ALGN Thu, Jan 17, 2002 5.91 6.01 5.49 5.70
240 NASDAQ ALGN Wed, Jan 16, 2002 5.50 5.90 5.25 5.88
239 NASDAQ ALGN Tue, Jan 15, 2002 5.87 5.88 5.40 5.50
238 NASDAQ ALGN Mon, Jan 14, 2002 5.38 5.88 5.35 5.52
237 NASDAQ ALGN Fri, Jan 11, 2002 5.30 5.56 5.10 5.28
236 NASDAQ ALGN Thu, Jan 10, 2002 6.23 6.23 4.88 4.88
235 NASDAQ ALGN Wed, Jan 9, 2002 5.50 6.25 5.20 5.98
234 NASDAQ ALGN Tue, Jan 8, 2002 5.49 5.60 5.05 5.25
233 NASDAQ ALGN Mon, Jan 7, 2002 4.77 5.25 4.65 5.01
232 NASDAQ ALGN Fri, Jan 4, 2002 4.49 4.65 4.19 4.50
231 NASDAQ ALGN Thu, Jan 3, 2002 4.50 4.60 4.15 4.48
230 NASDAQ ALGN Wed, Jan 2, 2002 4.50 4.60 4.16 4.30
229 NASDAQ ALGN Mon, Dec 31, 2001 4.63 4.69 4.40 4.50
228 NASDAQ ALGN Fri, Dec 28, 2001 4.76 4.76 4.45 4.60
227 NASDAQ ALGN Thu, Dec 27, 2001 4.53 4.84 4.50 4.72
226 NASDAQ ALGN Wed, Dec 26, 2001 4.90 4.90 4.51 4.80
225 NASDAQ ALGN Mon, Dec 24, 2001 4.70 5.05 4.46 4.75
224 NASDAQ ALGN Fri, Dec 21, 2001 4.30 5.16 4.29 5.00
223 NASDAQ ALGN Thu, Dec 20, 2001 3.86 4.50 3.81 4.50
222 NASDAQ ALGN Wed, Dec 19, 2001 4.02 4.14 3.85 3.85
221 NASDAQ ALGN Tue, Dec 18, 2001 4.00 4.20 3.86 4.05
220 NASDAQ ALGN Mon, Dec 17, 2001 3.85 4.09 3.60 4.05
219 NASDAQ ALGN Fri, Dec 14, 2001 4.00 4.04 3.75 3.86
218 NASDAQ ALGN Thu, Dec 13, 2001 3.91 4.15 3.77 3.89
217 NASDAQ ALGN Wed, Dec 12, 2001 3.90 4.13 3.80 3.90
216 NASDAQ ALGN Tue, Dec 11, 2001 4.08 4.08 3.80 3.95
215 NASDAQ ALGN Mon, Dec 10, 2001 3.98 4.04 3.85 3.94
214 NASDAQ ALGN Fri, Dec 7, 2001 4.00 4.20 3.95 4.05
213 NASDAQ ALGN Thu, Dec 6, 2001 4.27 4.48 3.96 4.18
212 NASDAQ ALGN Wed, Dec 5, 2001 3.99 4.50 3.95 4.35
211 NASDAQ ALGN Tue, Dec 4, 2001 3.91 4.15 3.84 3.97
210 NASDAQ ALGN Mon, Dec 3, 2001 4.00 4.26 3.85 3.91
209 NASDAQ ALGN Fri, Nov 30, 2001 4.30 4.41 3.97 4.00
208 NASDAQ ALGN Thu, Nov 29, 2001 4.34 4.41 4.25 4.25
207 NASDAQ ALGN Wed, Nov 28, 2001 4.25 4.43 4.11 4.33
206 NASDAQ ALGN Tue, Nov 27, 2001 4.18 4.30 3.87 4.17
205 NASDAQ ALGN Mon, Nov 26, 2001 4.45 4.47 3.70 4.00
204 NASDAQ ALGN Fri, Nov 23, 2001 4.20 4.29 4.15 4.25
203 NASDAQ ALGN Wed, Nov 21, 2001 4.36 4.55 4.25 4.37
202 NASDAQ ALGN Tue, Nov 20, 2001 4.62 4.64 4.37 4.55
201 NASDAQ ALGN Mon, Nov 19, 2001 4.66 4.69 4.35 4.58
200 NASDAQ ALGN Fri, Nov 16, 2001 4.19 4.71 4.05 4.65
199 NASDAQ ALGN Thu, Nov 15, 2001 3.50 4.21 3.42 4.01
198 NASDAQ ALGN Wed, Nov 14, 2001 4.24 4.24 2.95 3.07
197 NASDAQ ALGN Tue, Nov 13, 2001 4.98 4.98 3.88 3.89
196 NASDAQ ALGN Mon, Nov 12, 2001 4.92 5.00 4.60 4.75
195 NASDAQ ALGN Fri, Nov 9, 2001 4.99 5.10 4.91 4.95
194 NASDAQ ALGN Thu, Nov 8, 2001 5.01 5.05 4.89 5.05
193 NASDAQ ALGN Wed, Nov 7, 2001 4.89 5.09 4.56 4.91
192 NASDAQ ALGN Tue, Nov 6, 2001 5.16 5.50 5.16 5.50
191 NASDAQ ALGN Mon, Nov 5, 2001 5.26 5.50 5.01 5.33
190 NASDAQ ALGN Fri, Nov 2, 2001 4.41 5.30 4.41 4.99
189 NASDAQ ALGN Thu, Nov 1, 2001 4.35 4.60 4.20 4.59
188 NASDAQ ALGN Wed, Oct 31, 2001 4.43 4.70 4.36 4.36
187 NASDAQ ALGN Tue, Oct 30, 2001 4.16 4.44 4.15 4.18
186 NASDAQ ALGN Mon, Oct 29, 2001 4.33 4.35 4.16 4.21
185 NASDAQ ALGN Fri, Oct 26, 2001 4.20 4.49 4.00 4.25
184 NASDAQ ALGN Thu, Oct 25, 2001 4.60 4.62 4.04 4.06
183 NASDAQ ALGN Wed, Oct 24, 2001 4.79 4.90 4.59 4.65
182 NASDAQ ALGN Tue, Oct 23, 2001 5.49 5.65 4.65 4.85
181 NASDAQ ALGN Mon, Oct 22, 2001 4.79 5.79 4.79 5.59
180 NASDAQ ALGN Fri, Oct 19, 2001 3.91 4.78 3.91 4.55
179 NASDAQ ALGN Thu, Oct 18, 2001 3.85 4.25 3.74 3.93
178 NASDAQ ALGN Wed, Oct 17, 2001 4.20 4.45 3.80 3.97
177 NASDAQ ALGN Tue, Oct 16, 2001 4.09 4.20 4.00 4.18
176 NASDAQ ALGN Mon, Oct 15, 2001 4.16 4.16 3.85 3.95
175 NASDAQ ALGN Fri, Oct 12, 2001 3.87 4.15 3.75 4.05
174 NASDAQ ALGN Thu, Oct 11, 2001 3.22 4.05 3.21 3.87
173 NASDAQ ALGN Wed, Oct 10, 2001 3.40 3.51 3.05 3.20
172 NASDAQ ALGN Tue, Oct 9, 2001 3.05 3.09 2.93 2.99
171 NASDAQ ALGN Mon, Oct 8, 2001 3.49 3.50 2.98 3.03
170 NASDAQ ALGN Fri, Oct 5, 2001 3.33 3.34 3.00 3.01
169 NASDAQ ALGN Thu, Oct 4, 2001 3.41 3.48 3.17 3.20
168 NASDAQ ALGN Wed, Oct 3, 2001 3.54 3.54 3.15 3.39
167 NASDAQ ALGN Tue, Oct 2, 2001 3.26 3.80 3.25 3.35
166 NASDAQ ALGN Mon, Oct 1, 2001 2.43 3.13 2.14 2.87
165 NASDAQ ALGN Fri, Sep 28, 2001 2.66 2.80 2.18 2.18
164 NASDAQ ALGN Thu, Sep 27, 2001 2.68 2.69 2.45 2.53
163 NASDAQ ALGN Wed, Sep 26, 2001 3.00 3.48 2.40 2.70
162 NASDAQ ALGN Tue, Sep 25, 2001 3.10 3.54 2.94 3.07
161 NASDAQ ALGN Mon, Sep 24, 2001 4.15 4.15 3.25 3.40
160 NASDAQ ALGN Fri, Sep 21, 2001 3.51 3.92 3.45 3.70
159 NASDAQ ALGN Thu, Sep 20, 2001 4.00 4.50 3.75 3.85
158 NASDAQ ALGN Wed, Sep 19, 2001 4.86 4.90 3.30 4.48
157 NASDAQ ALGN Tue, Sep 18, 2001 5.68 5.74 4.45 5.05
156 NASDAQ ALGN Mon, Sep 17, 2001 3.99 5.82 3.99 5.55
155 NASDAQ ALGN Mon, Sep 10, 2001 6.70 6.70 6.45 6.50
154 NASDAQ ALGN Fri, Sep 7, 2001 6.60 6.70 6.48 6.65
153 NASDAQ ALGN Thu, Sep 6, 2001 7.00 7.00 6.61 6.63
152 NASDAQ ALGN Wed, Sep 5, 2001 6.80 7.05 6.79 7.00
151 NASDAQ ALGN Tue, Sep 4, 2001 6.73 7.25 6.52 6.87
150 NASDAQ ALGN Fri, Aug 31, 2001 6.59 6.74 6.55 6.60
149 NASDAQ ALGN Thu, Aug 30, 2001 6.69 6.75 6.48 6.60
148 NASDAQ ALGN Wed, Aug 29, 2001 6.89 6.89 6.62 6.68
147 NASDAQ ALGN Tue, Aug 28, 2001 6.90 6.96 6.80 6.81
146 NASDAQ ALGN Mon, Aug 27, 2001 6.90 7.00 6.90 7.00
145 NASDAQ ALGN Fri, Aug 24, 2001 6.90 7.07 6.80 6.96
144 NASDAQ ALGN Thu, Aug 23, 2001 7.05 7.14 6.84 6.91
143 NASDAQ ALGN Wed, Aug 22, 2001 7.14 7.20 7.00 7.10
142 NASDAQ ALGN Tue, Aug 21, 2001 7.20 7.20 6.95 6.95
141 NASDAQ ALGN Mon, Aug 20, 2001 7.45 7.45 7.00 7.05
140 NASDAQ ALGN Fri, Aug 17, 2001 7.48 7.67 7.36 7.37
139 NASDAQ ALGN Thu, Aug 16, 2001 7.70 7.71 7.39 7.50
138 NASDAQ ALGN Wed, Aug 15, 2001 7.90 8.09 7.60 7.70
137 NASDAQ ALGN Tue, Aug 14, 2001 7.86 8.25 7.61 7.89
136 NASDAQ ALGN Mon, Aug 13, 2001 7.90 7.90 7.55 7.65
135 NASDAQ ALGN Fri, Aug 10, 2001 7.51 7.86 7.50 7.55
134 NASDAQ ALGN Thu, Aug 9, 2001 7.60 7.85 7.45 7.56
133 NASDAQ ALGN Wed, Aug 8, 2001 7.80 7.80 7.45 7.45
132 NASDAQ ALGN Tue, Aug 7, 2001 7.69 7.89 7.60 7.80
131 NASDAQ ALGN Mon, Aug 6, 2001 7.73 7.73 7.40 7.69
130 NASDAQ ALGN Fri, Aug 3, 2001 7.45 7.73 7.45 7.50
129 NASDAQ ALGN Thu, Aug 2, 2001 7.60 7.60 7.41 7.45
128 NASDAQ ALGN Wed, Aug 1, 2001 7.50 7.60 7.30 7.50
127 NASDAQ ALGN Tue, Jul 31, 2001 7.09 7.65 7.09 7.46
126 NASDAQ ALGN Mon, Jul 30, 2001 7.75 7.75 6.75 7.34
125 NASDAQ ALGN Fri, Jul 27, 2001 7.61 7.73 7.50 7.60
124 NASDAQ ALGN Thu, Jul 26, 2001 7.14 7.20 7.00 7.19
123 NASDAQ ALGN Wed, Jul 25, 2001 7.55 7.55 6.50 7.02
122 NASDAQ ALGN Tue, Jul 24, 2001 7.50 7.54 7.39 7.39
121 NASDAQ ALGN Mon, Jul 23, 2001 7.40 7.57 7.39 7.40
120 NASDAQ ALGN Fri, Jul 20, 2001 7.57 7.68 7.32 7.38
119 NASDAQ ALGN Thu, Jul 19, 2001 7.75 7.75 7.58 7.59
118 NASDAQ ALGN Wed, Jul 18, 2001 7.59 7.75 7.40 7.65
117 NASDAQ ALGN Tue, Jul 17, 2001 7.75 7.80 7.40 7.67
116 NASDAQ ALGN Mon, Jul 16, 2001 7.51 7.75 7.40 7.60
115 NASDAQ ALGN Fri, Jul 13, 2001 7.62 7.74 7.50 7.50
114 NASDAQ ALGN Thu, Jul 12, 2001 8.00 8.00 7.60 7.62
113 NASDAQ ALGN Wed, Jul 11, 2001 7.91 7.91 7.75 7.80
112 NASDAQ ALGN Tue, Jul 10, 2001 7.92 7.95 7.75 7.90
111 NASDAQ ALGN Mon, Jul 9, 2001 7.88 7.98 7.70 7.78
110 NASDAQ ALGN Fri, Jul 6, 2001 8.00 8.01 7.85 7.89
109 NASDAQ ALGN Thu, Jul 5, 2001 8.09 8.10 7.95 7.95
108 NASDAQ ALGN Tue, Jul 3, 2001 8.00 8.10 7.93 7.99
107 NASDAQ ALGN Mon, Jul 2, 2001 8.02 8.10 7.85 8.00
106 NASDAQ ALGN Fri, Jun 29, 2001 7.90 8.26 7.84 7.84
105 NASDAQ ALGN Thu, Jun 28, 2001 7.99 8.31 7.85 8.00
104 NASDAQ ALGN Wed, Jun 27, 2001 8.90 8.90 7.85 7.96
103 NASDAQ ALGN Tue, Jun 26, 2001 7.86 8.64 7.80 8.49
102 NASDAQ ALGN Mon, Jun 25, 2001 7.89 7.90 7.65 7.70
101 NASDAQ ALGN Fri, Jun 22, 2001 8.10 8.16 7.60 7.82
100 NASDAQ ALGN Thu, Jun 21, 2001 8.48 8.50 8.20 8.26
99 NASDAQ ALGN Wed, Jun 20, 2001 8.31 8.69 8.25 8.43
98 NASDAQ ALGN Tue, Jun 19, 2001 8.95 9.10 8.53 8.53
97 NASDAQ ALGN Mon, Jun 18, 2001 9.10 9.13 8.90 9.02
96 NASDAQ ALGN Fri, Jun 15, 2001 9.09 9.10 8.90 8.90
95 NASDAQ ALGN Thu, Jun 14, 2001 8.88 9.04 8.88 8.99
94 NASDAQ ALGN Wed, Jun 13, 2001 8.88 9.07 8.88 9.00
93 NASDAQ ALGN Tue, Jun 12, 2001 9.16 9.16 8.86 8.88
92 NASDAQ ALGN Mon, Jun 11, 2001 9.34 9.34 9.15 9.26
91 NASDAQ ALGN Fri, Jun 8, 2001 9.45 9.47 9.00 9.30
90 NASDAQ ALGN Thu, Jun 7, 2001 10.12 10.12 9.30 9.55
89 NASDAQ ALGN Wed, Jun 6, 2001 10.25 10.48 9.80 9.90
88 NASDAQ ALGN Tue, Jun 5, 2001 10.22 10.53 10.17 10.25
87 NASDAQ ALGN Mon, Jun 4, 2001 10.07 10.22 9.95 10.15
86 NASDAQ ALGN Fri, Jun 1, 2001 10.00 10.15 10.00 10.05
85 NASDAQ ALGN Thu, May 31, 2001 9.30 10.15 9.30 10.00
84 NASDAQ ALGN Wed, May 30, 2001 9.68 9.81 9.00 9.25
83 NASDAQ ALGN Tue, May 29, 2001 10.56 10.56 9.70 9.95
82 NASDAQ ALGN Fri, May 25, 2001 11.95 11.95 10.00 10.15
81 NASDAQ ALGN Thu, May 24, 2001 11.95 12.05 11.56 11.56
80 NASDAQ ALGN Wed, May 23, 2001 11.93 12.05 11.22 12.01
79 NASDAQ ALGN Tue, May 22, 2001 12.05 12.07 11.31 12.07
78 NASDAQ ALGN Mon, May 21, 2001 11.45 12.10 11.30 11.95
77 NASDAQ ALGN Fri, May 18, 2001 11.25 11.34 10.95 11.05
76 NASDAQ ALGN Thu, May 17, 2001 10.13 12.45 10.13 10.96
75 NASDAQ ALGN Wed, May 16, 2001 9.90 10.20 9.51 10.13
74 NASDAQ ALGN Tue, May 15, 2001 9.25 10.20 9.20 9.80
73 NASDAQ ALGN Mon, May 14, 2001 8.65 9.20 8.55 9.20
72 NASDAQ ALGN Fri, May 11, 2001 8.99 9.10 8.30 8.80
71 NASDAQ ALGN Thu, May 10, 2001 9.05 9.27 8.40 8.89
70 NASDAQ ALGN Wed, May 9, 2001 9.60 9.60 9.00 9.15
69 NASDAQ ALGN Tue, May 8, 2001 8.77 9.70 8.33 9.50
68 NASDAQ ALGN Mon, May 7, 2001 8.11 8.80 8.00 8.80
67 NASDAQ ALGN Fri, May 4, 2001 8.79 8.79 7.90 8.60
66 NASDAQ ALGN Thu, May 3, 2001 8.89 8.90 8.12 8.70
65 NASDAQ ALGN Wed, May 2, 2001 8.50 9.00 8.40 8.75
64 NASDAQ ALGN Tue, May 1, 2001 9.00 9.05 8.25 8.50
63 NASDAQ ALGN Mon, Apr 30, 2001 8.68 9.40 8.52 8.75
62 NASDAQ ALGN Fri, Apr 27, 2001 9.13 9.15 8.40 8.75
61 NASDAQ ALGN Thu, Apr 26, 2001 7.90 9.20 7.80 8.80
60 NASDAQ ALGN Wed, Apr 25, 2001 8.32 8.33 7.55 8.00
59 NASDAQ ALGN Tue, Apr 24, 2001 6.50 8.50 6.25 8.33
58 NASDAQ ALGN Mon, Apr 23, 2001 6.10 7.15 6.05 6.65
57 NASDAQ ALGN Fri, Apr 20, 2001 7.10 7.10 6.00 6.15
56 NASDAQ ALGN Thu, Apr 19, 2001 7.74 7.75 6.75 7.15
55 NASDAQ ALGN Wed, Apr 18, 2001 5.99 7.70 5.65 7.28
54 NASDAQ ALGN Tue, Apr 17, 2001 5.50 5.89 5.50 5.80
53 NASDAQ ALGN Mon, Apr 16, 2001 6.75 6.75 5.35 5.45
52 NASDAQ ALGN Thu, Apr 12, 2001 6.66 6.98 5.75 6.00
51 NASDAQ ALGN Wed, Apr 11, 2001 7.28 7.75 6.52 6.60
50 NASDAQ ALGN Tue, Apr 10, 2001 6.75 7.27 6.75 7.15
49 NASDAQ ALGN Mon, Apr 9, 2001 6.81 6.99 6.50 6.55
48 NASDAQ ALGN Fri, Apr 6, 2001 6.73 7.22 6.50 6.63
47 NASDAQ ALGN Thu, Apr 5, 2001 6.72 6.88 6.50 6.56
46 NASDAQ ALGN Wed, Apr 4, 2001 6.52 6.78 6.50 6.56
45 NASDAQ ALGN Tue, Apr 3, 2001 7.25 7.25 6.25 6.69
44 NASDAQ ALGN Mon, Apr 2, 2001 7.30 7.81 7.19 7.25
43 NASDAQ ALGN Fri, Mar 30, 2001 7.47 7.63 7.19 7.25
42 NASDAQ ALGN Thu, Mar 29, 2001 7.63 7.88 6.81 7.25
41 NASDAQ ALGN Wed, Mar 28, 2001 7.53 8.09 7.25 7.56
40 NASDAQ ALGN Tue, Mar 27, 2001 7.25 7.56 7.25 7.41
39 NASDAQ ALGN Mon, Mar 26, 2001 8.00 8.25 7.25 7.50
38 NASDAQ ALGN Fri, Mar 23, 2001 7.97 8.00 7.75 7.81
37 NASDAQ ALGN Thu, Mar 22, 2001 8.05 8.06 7.63 7.75
36 NASDAQ ALGN Wed, Mar 21, 2001 8.48 8.50 8.00 8.19
35 NASDAQ ALGN Tue, Mar 20, 2001 8.69 8.94 8.19 8.19
34 NASDAQ ALGN Mon, Mar 19, 2001 8.50 9.47 8.25 8.88
33 NASDAQ ALGN Fri, Mar 16, 2001 9.44 9.75 8.00 8.25
32 NASDAQ ALGN Thu, Mar 15, 2001 10.44 10.50 9.44 9.44
31 NASDAQ ALGN Wed, Mar 14, 2001 9.75 10.48 9.13 10.25
30 NASDAQ ALGN Tue, Mar 13, 2001 8.50 9.94 8.44 9.50
29 NASDAQ ALGN Mon, Mar 12, 2001 8.38 8.63 7.94 8.50
28 NASDAQ ALGN Fri, Mar 9, 2001 8.56 8.63 8.00 8.13
27 NASDAQ ALGN Thu, Mar 8, 2001 7.81 8.50 7.63 8.47
26 NASDAQ ALGN Wed, Mar 7, 2001 7.97 8.00 7.44 7.81
25 NASDAQ ALGN Tue, Mar 6, 2001 6.52 7.63 6.50 7.50
24 NASDAQ ALGN Mon, Mar 5, 2001 7.59 7.63 6.13 6.69
23 NASDAQ ALGN Fri, Mar 2, 2001 7.56 7.63 7.31 7.50
22 NASDAQ ALGN Thu, Mar 1, 2001 7.48 7.63 7.31 7.56
21 NASDAQ ALGN Wed, Feb 28, 2001 8.09 8.13 7.38 7.50
20 NASDAQ ALGN Tue, Feb 27, 2001 9.41 9.50 7.13 7.56
19 NASDAQ ALGN Mon, Feb 26, 2001 10.66 11.38 8.75 9.00
18 NASDAQ ALGN Fri, Feb 23, 2001 12.13 12.25 10.63 11.06
17 NASDAQ ALGN Thu, Feb 22, 2001 12.00 12.50 11.50 12.11
16 NASDAQ ALGN Wed, Feb 21, 2001 12.59 13.13 12.25 12.31
15 NASDAQ ALGN Tue, Feb 20, 2001 13.63 13.69 12.63 12.75
14 NASDAQ ALGN Fri, Feb 16, 2001 12.84 13.06 12.50 13.06
13 NASDAQ ALGN Thu, Feb 15, 2001 12.06 13.00 12.05 12.81
12 NASDAQ ALGN Wed, Feb 14, 2001 11.42 11.75 11.00 11.63
11 NASDAQ ALGN Tue, Feb 13, 2001 11.00 11.56 11.00 11.44
10 NASDAQ ALGN Mon, Feb 12, 2001 12.05 12.13 10.94 11.06
9 NASDAQ ALGN Fri, Feb 9, 2001 13.05 13.06 11.88 12.00
8 NASDAQ ALGN Thu, Feb 8, 2001 13.13 13.19 13.00 13.06
7 NASDAQ ALGN Wed, Feb 7, 2001 14.00 14.06 13.00 13.06
6 NASDAQ ALGN Tue, Feb 6, 2001 14.02 14.06 13.88 14.00
5 NASDAQ ALGN Mon, Feb 5, 2001 14.44 14.50 13.88 14.13
4 NASDAQ ALGN Fri, Feb 2, 2001 14.00 14.56 13.75 14.13
3 NASDAQ ALGN Thu, Feb 1, 2001 13.13 14.38 13.00 14.19
2 NASDAQ ALGN Wed, Jan 31, 2001 17.13 17.19 13.44 13.50
1 NASDAQ ALGN Tue, Jan 30, 2001 18.13 18.19 16.25 16.88
# Exchange Symbol Date Open High Low Close

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