| Code | Name | High | Low | Close | Volume | Change |
|---|
| WABC | Westamerica Bancorporation | 49.05 | 47.70 | 48.12 | 112,134 | 0.56 |  | 1.15 |
| WACLY | Wacoal Holdings Corporation | 57.16 | 56.19 | 57.12 | 6,099 | 0.30 | | 0.52 |
| WAIN | Wainwright Bank & Trust Company | 6.690 | 6.650 | 6.670 | 691 | 0.030 | | 0.45 |
| WASH | Washington Trust Bancorp Inc. | 14.23 | 13.97 | 14.16 | 86,497 | 0.04 | | 0.28 |
| WATG | Wonder Auto Technology Inc. | 12.17 | 11.80 | 11.97 | 353,172 | 0.04 | | 0.33 |
| WAVE | NextWave Wireless Inc | 0.6500 | 0.6000 | 0.6200 | 539,558 | 0.0500 | | 7.46 |
| WAVX | Wave Systems Corp. | 1.100 | 1.060 | 1.100 | 372,559 | 0.020 |  | 1.85 |
| WAYN | Wayne Savings Bancshares Inc. | 6.400 | 5.800 | 5.900 | 28,829 | 0.350 | | 6.31 |
| WBCO | Washington Banking Company | 9.310 | 9.100 | 9.260 | 12,858 | 0.120 | | 1.28 |
| WBMD | WebMD Health Corp | 36.16 | 35.33 | 35.90 | 733,046 | 0.39 | | 1.10 |
| WBNK | Waccamaw Bankshares Inc | 3.530 | 3.450 | 3.500 | 2,382 | 0.030 | | 0.86 |
| WBNKW | Waccamaw Bankshares Inc | 0.1600 | 0.1600 | 0.1600 | 900 | 0.0300 | | 23.08 |
| WBSN | Websense Inc. | 16.07 | 15.76 | 15.90 | 150,420 | 0.06 | | 0.38 |
| WBSTP | Webster Preferred Capital Corp | 10.20 | 10.20 | 10.20 | 200 | 0.00 |  | 0.00 |
| WCAA | WCA Waste Corporation | 4.420 | 4.310 | 4.310 | 9,017 | 0.140 | | 3.15 |
| WCBO | West Coast Bancorp | 2.480 | 2.420 | 2.440 | 16,838 | 0.060 | | 2.40 |
| WCRX | Warner Chilcott | 23.45 | 22.77 | 22.96 | 1,650,743 | 0.43 | | 1.84 |
| WDFC | WD-40 Company | 32.80 | 32.00 | 32.59 | 33,573 | 0.10 | | 0.31 |
| WEBM | Webmethods, Inc. | 0.7200 | 0.6800 | 0.7000 | 15,693 | 0.0200 | | 2.94 |
| WEDC | White Electronic Designs Corporation | 4.330 | 4.220 | 4.300 | 145,563 | 0.020 | | 0.47 |
| WERN | Werner Enterprises Inc. | 19.09 | 18.64 | 18.80 | 625,482 | 0.19 | | 1.00 |
| WEST | Western Sizzlin Corporation | 15.01 | 14.72 | 14.87 | 8,185 | 0.18 | | 1.23 |
| WEYS | Weyco Group Inc. | 22.76 | 21.86 | 22.63 | 8,640 | 0.08 | | 0.35 |
| WFD | Westfield Financial Inc. | 8.110 | 7.970 | 7.990 | 90,117 | 0.130 | | 1.60 |
| WFMI | Whole Foods Market Inc. | 28.57 | 26.98 | 28.25 | 6,184,529 | 1.15 | | 4.24 |
| WFSL | Washington Federal Inc. | 17.92 | 17.28 | 17.83 | 1,010,302 | 0.18 | | 1.02 |
| WGNB | WGNB Corp. | 0.7500 | 0.6500 | 0.6500 | 8,518 | 0.0800 | | 10.96 |
| WGNR | Wegener Corporation | 0.2300 | 0.2200 | 0.2200 | 1,000 | 0.0200 | | 8.00 |
| WGOV | Woodward Governor Company | 24.75 | 23.78 | 24.10 | 358,765 | 0.22 | | 0.90 |
| WHRT | World Heart Corporation | 4.660 | 4.380 | 4.380 | 300 | 0.130 | | 3.06 |
| WIBC | Wilshire Bancorp Inc. | 6.600 | 6.430 | 6.440 | 70,257 | 0.200 | | 3.01 |
| WILC | G. Willi-Food International Ltd. | 5.550 | 5.470 | 5.540 | 9,346 | 0.140 | | 2.59 |
| WINA | Winmark Corporation | 22.14 | 21.70 | 21.71 | 3,300 | 0.56 | | 2.51 |
| WINN | Winn-Dixie Stores Inc. | 11.32 | 11.15 | 11.23 | 551,174 | 0.02 | | 0.18 |
| WIRE | Encore Wire Corporation | 21.17 | 20.51 | 20.92 | 110,709 | 0.15 | | 0.71 |
| WLDN | Willdan Group Inc. | 2.590 | 2.500 | 2.590 | 4,700 | 0.030 | | 1.15 |
| WLFC | Willis Lease Finance Corporation | 12.77 | 12.30 | 12.49 | 4,127 | 0.02 | | 0.16 |
| WLFCP | Willis Lease Finance Corporation | 9.720 | 9.640 | 9.720 | 5,259 | 0.080 | | 0.83 |
| WMAR | West Marine Inc. | 7.800 | 7.570 | 7.710 | 23,810 | 0.100 | | 1.31 |
| WMCO | Williams Controls Inc. | 8.710 | 8.710 | 8.710 | 200 | 0.120 | | 1.40 |
| WMGI | Wright Medical Group Inc. | 17.91 | 17.50 | 17.57 | 316,920 | 0.32 | | 1.79 |
| WOLF | Great Wolf Resorts Inc. | 3.080 | 2.970 | 3.000 | 41,368 | 0.050 | | 1.64 |
| WOOD | iShares S&P Global Timber &Forestry | 35.86 | 35.73 | 35.83 | 1,588 | 0.06 | | 0.17 |
| WOOF | VCA Antech Inc. | 23.28 | 22.73 | 23.18 | 474,163 | 0.11 | | 0.48 |
| WPCS | WPCS International Incorporated | 3.230 | 3.190 | 3.210 | 3,138 | 0.020 | | 0.63 |
| WPPGY | WPP Group plc | 47.35 | 46.60 | 47.33 | 481,881 | 0.55 | | 1.18 |
| WPRT | Westport Innovations Inc | 10.53 | 10.16 | 10.21 | 132,659 | 0.11 | | 1.07 |
| WPTE | WPT Enterprises Inc. | 1.130 | 1.080 | 1.100 | 142,849 | 0.030 | | 2.65 |
| WRES | Warren Resources Inc. | 2.400 | 2.250 | 2.290 | 290,256 | 0.040 | | 1.72 |
| WRLD | World Acceptance Corporation | 26.47 | 25.67 | 26.00 | 145,269 | 0.62 | | 2.33 |
| WRLS | Telular Corporation | 3.200 | 3.010 | 3.060 | 23,500 | 0.060 | | 2.00 |
| WSB | WSB Holdings Inc. | 2.250 | 2.160 | 2.250 | 3,237 | 0.100 | | 4.65 |
| WSBC | WesBanco Inc. | 13.41 | 13.04 | 13.10 | 44,920 | 0.19 | | 1.43 |
| WSBF | Waterstone Financial Inc. | 2.638 | 2.410 | 2.440 | 86,326 | 0.070 | | 2.79 |
| WSCC | Waterside Capital Corporation | 0.4600 | 0.4600 | 0.4600 | 1,100 | 0.0000 | | 0.00 |
| WSCI | WSI Industries Inc. | 2.380 | 2.210 | 2.230 | 7,586 | 0.170 | | 7.08 |
| WSFS | WSFS Financial Corporation | 30.00 | 28.43 | 28.82 | 15,669 | 0.43 | | 1.47 |
| WSII | Waste Services Inc. | 7.240 | 7.060 | 7.180 | 120,030 | 0.030 | | 0.42 |
| WSTG | Wayside Technology Group Inc. | 7.980 | 7.700 | 7.750 | 2,060 | 0.150 | | 1.90 |
| WSTL | Westell Technologies Inc. | 1.080 | 1.030 | 1.060 | 89,836 | 0.020 | | 1.92 |
| WTBA | West Bancorporation | 4.950 | 4.600 | 4.940 | 28,996 | 0.090 | | 1.86 |
| WTFC | Wintrust Financial Corporation | 27.90 | 26.85 | 27.62 | 208,654 | 0.25 | | 0.91 |
| WTNY | Whitney Holding Corporation | 8.330 | 8.080 | 8.310 | 1,277,713 | 0.010 | | 0.12 |
| WTSLA | Wet Seal Inc. (The) | 3.530 | 3.200 | 3.520 | 1,351,355 | 0.130 | | 3.83 |
| WUHN | Wuhan General Group (China) Inc. | 2.050 | 2.020 | 2.040 | 5,591 | 0.020 | | 0.99 |
| WVFC | WVS Financial Corp. | 14.56 | 14.50 | 14.50 | 598 | 0.05 | | 0.34 |
| WVVI | Willamette Valley Vineyards Inc. | 3.850 | 3.700 | 3.700 | 710 | 0.000 | | 0.00 |
| WWVY | Warwick Valley Telephone Company | 12.69 | 12.31 | 12.69 | 6,496 | 0.35 | | 2.84 |
| WWWW | Website Pros Inc. | 6.750 | 6.500 | 6.680 | 71,110 | 0.150 | | 2.20 |
| WXCO | WHX CORPORATION NEW | 1.770 | 1.550 | 1.650 | 48,246 | 0.060 | | 3.77 |
| WYNN | Wynn Resorts | 59.95 | 58.09 | 59.73 | 4,483,574 | 0.11 | | 0.18 |
| WZEN | Webzen Inc | 3.190 | 3.140 | 3.150 | 41,700 | 0.030 | | 0.96 |