| Historical Data for Gentex Corp. (GNTX) | | | | After Hours: $ 11.20 | 0.00 (0.00%) | Volume: 1.89 m | 4:21 PM EDT Oct 10, 2008 | | | | | | | | | Date | Open | High | Low | Close | Volume | Change | Change % | | 10/10/08 | 10.71 | 11.65 | 10.48 | 11.20 | 5,175,805 | – | – | | 10/9/08 | 11.73 | 12.55 | 11.18 | 11.20 | 2,406,713 | -0.24 | -2.10% | | 10/8/08 | 11.19 | 11.78 | 10.23 | 11.44 | 1,591,505 | -0.06 | -0.52% | | 10/7/08 | 12.08 | 12.50 | 11.39 | 11.50 | 1,579,844 | -0.27 | -2.29% | | 10/6/08 | 11.55 | 11.79 | 10.97 | 11.77 | 2,449,562 | -0.09 | -0.76% | | 10/3/08 | 12.18 | 12.41 | 11.79 | 11.86 | 2,828,855 | -0.20 | -1.66% | | 10/2/08 | 12.94 | 13.44 | 11.92 | 12.06 | 3,304,125 | -0.88 | -6.80% | | 10/1/08 | 14.07 | 14.07 | 12.36 | 12.94 | 3,356,622 | -1.36 | -9.51% | | 9/30/08 | 15.23 | 15.23 | 14.09 | 14.30 | 3,926,296 | -0.89 | -5.86% | | 9/29/08 | 15.45 | 15.45 | 14.30 | 15.19 | 2,948,488 | -1.71 | -10.12% | | 9/26/08 | 16.65 | 17.05 | 16.53 | 16.90 | 821,951 | -0.03 | -0.18% | | 9/25/08 | 16.85 | 16.96 | 16.55 | 16.93 | 767,706 | 0.13 | 0.77% | | 9/24/08 | 16.91 | 17.04 | 16.5075 | 16.80 | 1,156,732 | -0.02 | -0.12% | | 9/23/08 | 15.70 | 17.02 | 15.70 | 16.82 | 1,571,764 | -0.25 | -1.46% | | 9/22/08 | 17.47 | 17.70 | 17.00 | 17.07 | 896,420 | -0.52 | -2.96% | | 9/19/08 | 17.76 | 17.76 | 16.18 | 17.59 | 1,668,621 | 0.59 | 3.47% | | 9/18/08 | 17.33 | 17.43 | 16.72 | 17.00 | 3,285,049 | -0.09 | -0.53% | | 9/17/08 | 16.69 | 17.39 | 15.63 | 17.09 | 1,669,927 | 0.22 | 1.30% | | 9/16/08 | 16.44 | 16.90 | 16.18 | 16.87 | 1,146,980 | 0.38 | 2.30% | | 9/15/08 | 15.99 | 16.87 | 15.99 | 16.49 | 828,001 | -0.22 | -1.32% | | 9/12/08 | 16.39 | 16.73 | 16.30 | 16.71 | 1,093,644 | 0.09 | 0.54% | | 9/11/08 | 16.19 | 16.63 | 15.96 | 16.62 | 636,680 | 0.29 | 1.78% | | 9/10/08 | 16.40 | 16.48 | 16.08 | 16.33 | 726,119 | 0.09 | 0.55% | | 9/9/08 | 16.66 | 16.92 | 16.24 | 16.24 | 940,306 | -0.41 | -2.46% | | 9/8/08 | 16.33 | 16.81 | 16.28 | 16.65 | 1,082,900 | 0.65 | 4.06% | | 9/5/08 | 15.89 | 16.04 | 15.65 | 16.00 | 712,810 | -0.05 | -0.31% | | 9/4/08 | 16.07 | 16.18 | 15.76 | 16.05 | 778,925 | -0.11 | -0.68% | | 9/3/08 | 16.03 | 16.28 | 15.91 | 16.16 | 595,619 | 0.08 | 0.50% | | 9/2/08 | 16.22 | 16.67 | 15.96 | 16.08 | 676,849 | 0.15 | 0.94% | | 8/29/08 | 15.97 | 16.01 | 15.79 | 15.93 | 477,038 | -0.14 | -0.87% | | 8/28/08 | 15.72 | 16.10 | 15.59 | 16.07 | 838,641 | 0.40 | 2.55% | | 8/27/08 | 15.77 | 15.97 | 15.59 | 15.67 | 457,439 | -0.10 | -0.63% | | 8/26/08 | 15.56 | 15.79 | 15.42 | 15.77 | 564,883 | 0.20 | 1.28% | | 8/25/08 | 15.90 | 15.98 | 15.47 | 15.57 | 493,651 | -0.36 | -2.26% | | 8/22/08 | 15.61 | 16.05 | 15.23 | 15.93 | 707,286 | 0.35 | 2.25% | | 8/21/08 | 15.59 | 15.74 | 15.32 | 15.58 | 550,503 | -0.10 | -0.64% | | 8/20/08 | 15.87 | 16.01 | 15.44 | 15.68 | 769,134 | -0.16 | -1.01% | | 8/19/08 | 16.03 | 16.50 | 15.76 | 15.84 | 605,760 | -0.26 | -1.61% | | 8/18/08 | 16.33 | 16.46 | 15.95 | 16.10 | 586,805 | -0.04 | -0.25% | | 8/15/08 | 16.13 | 16.48 | 16.06 | 16.14 | 599,294 | 0.04 | 0.25% | | 8/14/08 | 15.95 | 16.30 | 15.76 | 16.10 | 617,946 | 0.04 | 0.25% | | 8/13/08 | 16.14 | 16.31 | 15.94 | 16.06 | 851,827 | -0.14 | -0.86% | | 8/12/08 | 16.15 | 16.38 | 15.99 | 16.20 | 560,132 | -0.02 | -0.12% | | 8/11/08 | 15.75 | 16.46 | 15.63 | 16.22 | 1,320,288 | 0.48 | 3.05% | | 8/8/08 | 15.12 | 15.82 | 15.10 | 15.74 | 1,038,045 | 0.64 | 4.24% | | 8/7/08 | 15.49 | 15.50 | 15.08 | 15.10 | 934,828 | -0.50 | -3.21% | | 8/6/08 | 15.63 | 15.70 | 15.22 | 15.60 | 958,548 | -0.03 | -0.19% | | 8/5/08 | 15.35 | 15.66 | 15.26 | 15.63 | 1,089,029 | 0.42 | 2.76% | | 8/4/08 | 15.19 | 15.30 | 14.74 | 15.21 | 1,082,793 | 0.02 | 0.13% | | 8/1/08 | 15.62 | 15.62 | 14.87 | 15.19 | 950,347 | -0.27 | -1.75% | | 7/31/08 | 15.24 | 15.60 | 15.05 | 15.46 | 1,167,332 | 0.10 | 0.65% | | 7/30/08 | 15.79 | 16.03 | 15.27 | 15.36 | 1,353,150 | -0.33 | -2.10% | | 7/29/08 | 15.15 | 15.87 | 14.93 | 15.69 | 1,051,479 | 0.55 | 3.63% | | 7/28/08 | 15.32 | 15.47 | 15.03 | 15.14 | 1,180,030 | -0.19 | -1.24% | | 7/25/08 | 15.17 | 15.60 | 14.968 | 15.33 | 1,102,565 | 0.21 | 1.39% | | 7/24/08 | 15.44 | 16.06 | 15.09 | 15.12 | 1,744,450 | -0.48 | -3.08% | | 7/23/08 | 15.23 | 15.87 | 15.06 | 15.60 | 1,423,919 | 0.53 | 3.52% | | 7/22/08 | 13.99 | 15.60 | 13.99 | 15.07 | 1,993,878 | -0.22 | -1.44% | | 7/21/08 | 15.47 | 15.52 | 15.00 | 15.29 | 1,014,104 | -0.03 | -0.20% | | 7/18/08 | 15.19 | 15.51 | 14.8532 | 15.32 | 1,604,979 | 0.06 | 0.39% | | 7/17/08 | 15.22 | 15.785 | 15.05 | 15.26 | 2,117,116 | 0.59 | 4.02% | | 7/16/08 | 13.71 | 14.68 | 13.37 | 14.67 | 1,539,055 | 0.98 | 7.16% | | 7/15/08 | 13.70 | 14.03 | 13.27 | 13.69 | 3,684,656 | -0.14 | -1.01% | | 7/14/08 | 13.85 | 14.30 | 13.65 | 13.83 | 1,682,782 | -0.33 | -2.33% | | | |