| Historical Data for Vertex Pharmaceuticals Inc. (VRTX) | | | | After Hours: $ 27.85 | -0.03 (-0.11%) | Volume: 700 | 6:10 PM EDT Oct 6, 2008 | | | | | | | | | Date | Open | High | Low | Close | Volume | Change | Change % | | 10/6/08 | 29.21 | 29.21 | 24.26 | 27.88 | 5,427,705 | -1.22 | -4.19% | | 10/3/08 | 30.86 | 32.55 | 29.02 | 29.10 | 3,348,139 | -1.76 | -5.70% | | 10/2/08 | 32.63 | 33.11 | 30.85 | 30.86 | 2,373,451 | -1.79 | -5.48% | | 10/1/08 | 33.08 | 33.19 | 32.20 | 32.65 | 1,688,049 | -0.59 | -1.77% | | 9/30/08 | 33.82 | 33.99 | 31.29 | 33.24 | 4,558,379 | 0.24 | 0.73% | | 9/29/08 | 33.22 | 34.14 | 32.50 | 33.00 | 3,247,473 | -0.90 | -2.65% | | 9/26/08 | 32.94 | 34.71 | 32.58 | 33.90 | 4,327,807 | 0.84 | 2.54% | | 9/25/08 | 32.01 | 33.58 | 31.62 | 33.06 | 3,965,539 | 1.40 | 4.42% | | 9/24/08 | 27.82 | 32.43 | 27.70 | 31.66 | 6,714,526 | 4.36 | 15.97% | | 9/23/08 | 27.87 | 28.14 | 26.84 | 27.30 | 1,521,219 | -0.37 | -1.34% | | 9/22/08 | 28.86 | 29.25 | 27.67 | 27.67 | 1,482,808 | -1.58 | -5.40% | | 9/19/08 | 28.64 | 29.89 | 26.87 | 29.25 | 4,770,280 | 1.34 | 4.80% | | 9/18/08 | 25.81 | 28.05 | 24.62 | 27.91 | 6,199,606 | 1.34 | 5.04% | | 9/17/08 | 27.65 | 28.83 | 26.41 | 26.57 | 2,715,948 | -1.58 | -5.61% | | 9/16/08 | 26.06 | 28.25 | 26.06 | 28.15 | 2,614,865 | 1.62 | 6.11% | | 9/15/08 | 26.10 | 27.74 | 25.87 | 26.53 | 2,829,012 | -0.47 | -1.74% | | 9/12/08 | 27.73 | 28.00 | 26.93 | 27.00 | 1,972,014 | -1.01 | -3.61% | | 9/11/08 | 26.57 | 28.36 | 26.32 | 28.01 | 2,882,662 | 1.07 | 3.97% | | 9/10/08 | 26.23 | 27.06 | 25.36 | 26.94 | 2,863,249 | 1.08 | 4.18% | | 9/9/08 | 25.83 | 26.34 | 25.75 | 25.86 | 2,184,961 | -0.06 | -0.23% | | 9/8/08 | 26.37 | 26.93 | 25.67 | 25.92 | 1,910,426 | -0.32 | -1.22% | | 9/5/08 | 25.89 | 26.51 | 25.35 | 26.24 | 2,715,033 | 0.64 | 2.50% | | 9/4/08 | 26.02 | 26.48 | 25.60 | 25.60 | 2,969,633 | -0.72 | -2.74% | | 9/3/08 | 26.26 | 26.50 | 25.44 | 26.32 | 5,222,883 | -0.41 | -1.53% | | 9/2/08 | 27.35 | 28.22 | 26.52 | 26.73 | 1,789,463 | -0.13 | -0.48% | | 8/29/08 | 27.16 | 27.16 | 26.62 | 26.86 | 1,114,786 | -0.43 | -1.58% | | 8/28/08 | 27.20 | 27.36 | 26.85 | 27.29 | 1,062,002 | 0.26 | 0.96% | | 8/27/08 | 27.47 | 27.48 | 26.65 | 27.03 | 1,794,847 | -0.20 | -0.73% | | 8/26/08 | 26.51 | 27.44 | 26.50 | 27.23 | 1,838,366 | 0.58 | 2.18% | | 8/25/08 | 26.85 | 27.17 | 26.37 | 26.65 | 1,633,849 | -0.43 | -1.59% | | 8/22/08 | 26.999 | 27.205 | 26.62 | 27.08 | 2,066,052 | 0.26 | 0.97% | | 8/21/08 | 26.52 | 26.99 | 25.97 | 26.82 | 3,106,305 | 0.50 | 1.90% | | 8/20/08 | 28.10 | 28.41 | 26.03 | 26.32 | 4,128,618 | -1.78 | -6.33% | | 8/19/08 | 27.79 | 28.47 | 27.38 | 28.10 | 3,131,005 | 0.38 | 1.37% | | 8/18/08 | 29.12 | 29.12 | 27.47 | 27.72 | 2,535,805 | -0.74 | -2.60% | | 8/15/08 | 30.00 | 30.06 | 28.32 | 28.46 | 2,373,498 | -1.51 | -5.04% | | 8/14/08 | 29.02 | 30.08 | 29.01 | 29.97 | 3,518,578 | 1.10 | 3.81% | | 8/13/08 | 29.62 | 30.22 | 28.51 | 28.87 | 2,654,487 | -1.04 | -3.48% | | 8/12/08 | 29.29 | 30.35 | 29.03 | 29.91 | 3,062,973 | 0.64 | 2.19% | | 8/11/08 | 28.76 | 29.27 | 28.26 | 29.27 | 2,454,402 | 0.38 | 1.32% | | 8/8/08 | 29.89 | 29.93 | 28.70 | 28.89 | 3,345,943 | -0.08 | -0.28% | | 8/7/08 | 31.30 | 31.47 | 28.27 | 28.97 | 4,018,083 | -2.57 | -8.15% | | 8/6/08 | 30.67 | 31.56 | 30.27 | 31.54 | 2,332,807 | 0.29 | 0.93% | | 8/5/08 | 30.50 | 31.25 | 30.49 | 31.25 | 2,828,830 | 1.30 | 4.34% | | 8/4/08 | 28.34 | 30.01 | 27.73 | 29.95 | 9,966,614 | -2.75 | -8.41% | | 8/1/08 | 33.09 | 34.58 | 32.60 | 32.70 | 4,275,723 | -1.80 | -5.22% | | 7/31/08 | 33.11 | 34.99 | 33.11 | 34.50 | 4,242,976 | 1.32 | 3.98% | | 7/30/08 | 33.12 | 33.35 | 31.31 | 33.18 | 2,066,071 | 0.17 | 0.51% | | 7/29/08 | 32.61 | 33.22 | 32.28 | 33.01 | 1,576,569 | 0.94 | 2.93% | | 7/28/08 | 32.35 | 33.61 | 31.81 | 32.07 | 2,004,395 | -0.51 | -1.57% | | 7/25/08 | 31.61 | 32.66 | 31.20 | 32.58 | 1,461,170 | 1.07 | 3.40% | | 7/24/08 | 32.57 | 32.89 | 31.43 | 31.51 | 3,005,027 | -1.25 | -3.82% | | 7/23/08 | 31.43 | 33.13 | 31.3205 | 32.76 | 1,891,496 | 1.24 | 3.93% | | 7/22/08 | 31.64 | 31.99 | 30.88 | 31.52 | 1,865,188 | -0.20 | -0.63% | | 7/21/08 | 31.89 | 33.38 | 31.66 | 31.72 | 1,634,874 | -0.20 | -0.63% | | 7/18/08 | 32.33 | 32.59 | 31.64 | 31.92 | 2,600,215 | -0.64 | -1.97% | | 7/17/08 | 33.39 | 34.18 | 32.31 | 32.56 | 3,232,127 | -0.40 | -1.21% | | 7/16/08 | 32.05 | 33.54 | 31.87 | 32.96 | 2,226,641 | 0.73 | 2.26% | | 7/15/08 | 32.10 | 33.23 | 31.64 | 32.23 | 3,868,192 | -0.14 | -0.43% | | 7/14/08 | 32.97 | 33.61 | 32.12 | 32.37 | 2,067,767 | -0.82 | -2.47% | | 7/11/08 | 32.97 | 33.63 | 32.77 | 33.19 | 1,579,274 | -0.31 | -0.93% | | 7/10/08 | 33.67 | 33.67 | 32.68 | 33.50 | 1,949,986 | -0.17 | -0.50% | | 7/9/08 | 34.68 | 35.00 | 33.55 | 33.67 | 2,143,310 | -1.01 | -2.91% | | 7/8/08 | 32.90 | 34.68 | 32.73 | 34.68 | 1,771,767 | 1.61 | 4.87% | | | |