| Code | Name | High | Low | Close | Volume | Change |
|---|
| WABC | Westamerica Bancorporation | 52.18 | 50.38 | 52.10 | 185,496 | 0.69 |  | 1.34 |
| WACLY | Wacoal Holdings Corporation | 55.67 | 54.92 | 55.29 | 9,747 | 1.54 | | 2.87 |
| WAIN | Wainwright Bank & Trust Company | 6.880 | 6.770 | 6.780 | 449 | 0.000 |  | 0.00 |
| WASH | Washington Trust Bancorp Inc. | 15.05 | 14.56 | 14.90 | 40,539 | 0.05 | | 0.34 |
| WATG | Wonder Auto Technology Inc. | 11.55 | 11.06 | 11.32 | 497,120 | 0.09 | | 0.80 |
| WAVE | NextWave Wireless Inc | 0.6000 | 0.5500 | 0.6000 | 189,899 | 0.0300 | | 5.26 |
| WAVX | Wave Systems Corp. | 1.320 | 1.210 | 1.300 | 359,960 | 0.010 |  | 0.76 |
| WAYN | Wayne Savings Bancshares Inc. | 6.050 | 5.710 | 6.050 | 749 | 0.150 | | 2.54 |
| WBCO | Washington Banking Company | 9.140 | 8.730 | 8.950 | 12,755 | 0.000 | | 0.00 |
| WBMD | WebMD Health Corp | 36.35 | 36.12 | 36.25 | 131,457 | 0.11 | | 0.30 |
| WBNK | Waccamaw Bankshares Inc | 3.810 | 3.480 | 3.480 | 5,522 | 0.660 | | 15.94 |
| WBNKW | Waccamaw Bankshares Inc | 0.1600 | 0.1600 | 0.1600 | 900 | 0.0300 | | 23.08 |
| WBSN | Websense Inc. | 16.10 | 15.68 | 15.96 | 315,839 | 0.04 | | 0.25 |
| WBSTP | Webster Preferred Capital Corp | 10.50 | 10.20 | 10.50 | 2,000 | 0.60 | | 6.06 |
| WCAA | WCA Waste Corporation | 4.600 | 4.460 | 4.460 | 2,856 | 0.040 | | 0.90 |
| WCBO | West Coast Bancorp | 2.410 | 2.310 | 2.350 | 21,016 | 0.030 | | 1.26 |
| WCRX | Warner Chilcott | 22.98 | 22.30 | 22.98 | 9,668,568 | 0.17 | | 0.73 |
| WDFC | WD-40 Company | 33.18 | 32.77 | 32.99 | 46,061 | 0.07 | | 0.21 |
| WEBM | Webmethods, Inc. | 0.7200 | 0.6800 | 0.7200 | 22,050 | 0.0000 | | 0.00 |
| WEDC | White Electronic Designs Corporation | 4.400 | 4.280 | 4.310 | 56,384 | 0.000 | | 0.00 |
| WERN | Werner Enterprises Inc. | 18.79 | 18.41 | 18.72 | 1,242,401 | 0.02 | | 0.11 |
| WEST | Western Sizzlin Corporation | 8.610 | 8.590 | 8.590 | 1,500 | 0.010 | | 0.12 |
| WEYS | Weyco Group Inc. | 23.19 | 22.52 | 23.17 | 14,993 | 0.56 | | 2.48 |
| WFD | Westfield Financial Inc. | 8.420 | 8.090 | 8.340 | 64,127 | 0.190 | | 2.33 |
| WFMI | Whole Foods Market Inc. | 26.90 | 26.27 | 26.36 | 2,410,699 | 0.61 | | 2.26 |
| WFSL | Washington Federal Inc. | 19.22 | 18.84 | 18.90 | 2,156,285 | 0.27 | | 1.41 |
| WGNB | WGNB Corp. | 0.7500 | 0.6500 | 0.6500 | 8,518 | 0.0800 | | 10.96 |
| WGNR | Wegener Corporation | 0.3100 | 0.3000 | 0.3000 | 11,314 | 0.0000 | | 0.00 |
| WGOV | Woodward Governor Company | 23.42 | 22.62 | 23.14 | 649,379 | 0.56 | | 2.36 |
| WHRT | World Heart Corporation | 4.400 | 4.370 | 4.370 | 241 | 0.000 | | 0.00 |
| WIBC | Wilshire Bancorp Inc. | 6.750 | 6.600 | 6.680 | 141,126 | 0.080 | | 1.21 |
| WILC | G. Willi-Food International Ltd. | 6.080 | 5.550 | 6.080 | 7,452 | 0.090 | | 1.50 |
| WINA | Winmark Corporation | 21.98 | 21.43 | 21.79 | 3,650 | 0.07 | | 0.32 |
| WINN | Winn-Dixie Stores Inc. | 11.39 | 11.05 | 11.18 | 252,591 | 0.04 | | 0.36 |
| WIRE | Encore Wire Corporation | 20.48 | 19.86 | 20.45 | 99,262 | 0.37 | | 1.84 |
| WLDN | Willdan Group Inc. | 2.500 | 2.200 | 2.350 | 6,200 | 0.160 | | 7.31 |
| WLFC | Willis Lease Finance Corporation | 13.25 | 12.78 | 13.00 | 11,372 | 0.06 | | 0.46 |
| WLFCP | Willis Lease Finance Corporation | 9.700 | 9.550 | 9.550 | 4,700 | 0.100 | | 1.04 |
| WMAR | West Marine Inc. | 7.450 | 7.170 | 7.230 | 74,538 | 0.040 | | 0.55 |
| WMCO | Williams Controls Inc. | 8.300 | 8.300 | 8.300 | 3,600 | 0.100 | | 1.22 |
| WMGI | Wright Medical Group Inc. | 18.53 | 17.95 | 18.39 | 625,251 | 0.39 | | 2.17 |
| WOLF | Great Wolf Resorts Inc. | 2.820 | 2.700 | 2.760 | 66,519 | 0.010 | | 0.36 |
| WOOD | iShares S&P Global Timber &Forestry | 37.11 | 36.82 | 36.93 | 7,360 | 0.11 | | 0.30 |
| WOOF | VCA Antech Inc. | 23.31 | 22.92 | 23.30 | 353,093 | 0.03 | | 0.13 |
| WPCS | WPCS International Incorporated | 3.000 | 2.900 | 2.980 | 29,003 | 0.080 | | 2.76 |
| WPPGY | WPP Group plc | 47.48 | 47.03 | 47.41 | 20,720 | 0.32 | | 0.67 |
| WPRT | Westport Innovations Inc | 12.31 | 12.01 | 12.30 | 147,329 | 0.02 | | 0.16 |
| WPTE | WPT Enterprises Inc. | 1.130 | 1.080 | 1.100 | 142,849 | 0.030 | | 2.65 |
| WRES | Warren Resources Inc. | 2.470 | 2.350 | 2.400 | 509,812 | 0.020 | | 0.84 |
| WRLD | World Acceptance Corporation | 28.43 | 27.68 | 27.93 | 142,919 | 0.21 | | 0.75 |
| WRLS | Telular Corporation | 3.310 | 3.200 | 3.280 | 3,380 | 0.090 | | 2.82 |
| WSB | WSB Holdings Inc. | 3.230 | 2.480 | 2.480 | 3,500 | 0.110 | | 4.25 |
| WSBC | WesBanco Inc. | 13.26 | 12.92 | 12.99 | 53,503 | 0.00 | | 0.00 |
| WSBF | Waterstone Financial Inc. | 2.000 | 1.800 | 1.950 | 45,617 | 0.070 | | 3.72 |
| WSCC | Waterside Capital Corporation | 0.4900 | 0.4200 | 0.4900 | 2,582 | 0.0000 | | 0.00 |
| WSCI | WSI Industries Inc. | 2.120 | 2.000 | 2.120 | 10,630 | 0.000 | | 0.00 |
| WSFS | WSFS Financial Corporation | 27.69 | 26.70 | 26.80 | 11,496 | 0.67 | | 2.44 |
| WSII | Waste Services Inc. | 7.900 | 7.740 | 7.780 | 226,019 | 0.030 | | 0.38 |
| WSTG | Wayside Technology Group Inc. | 7.850 | 7.650 | 7.720 | 3,947 | 0.120 | | 1.58 |
| WSTL | Westell Technologies Inc. | 1.160 | 1.100 | 1.130 | 121,326 | 0.040 | | 3.42 |
| WTBA | West Bancorporation | 4.990 | 4.820 | 4.970 | 19,827 | 0.100 | | 2.05 |
| WTFC | Wintrust Financial Corporation | 27.30 | 26.76 | 26.90 | 178,441 | 0.03 | | 0.11 |
| WTNY | Whitney Holding Corporation | 8.180 | 8.030 | 8.100 | 826,032 | 0.080 | | 0.98 |
| WTSLA | Wet Seal Inc. (The) | 3.170 | 2.960 | 3.020 | 4,547,211 | 0.280 | | 8.48 |
| WUHN | Wuhan General Group (China) Inc. | 2.190 | 2.070 | 2.100 | 7,353 | 0.020 | | 0.94 |
| WVFC | WVS Financial Corp. | 15.24 | 14.50 | 15.24 | 4,042 | 0.01 | | 0.07 |
| WVVI | Willamette Valley Vineyards Inc. | 4.000 | 3.840 | 4.000 | 1,300 | 0.190 | | 4.99 |
| WWVY | Warwick Valley Telephone Company | 13.00 | 12.56 | 12.88 | 25,050 | 0.18 | | 1.42 |
| WWWW | Website Pros Inc. | 6.640 | 6.280 | 6.420 | 61,451 | 0.040 | | 0.62 |
| WXCO | WHX CORPORATION NEW | 1.700 | 1.610 | 1.610 | 46,681 | 0.060 | | 3.59 |
| WYNN | Wynn Resorts | 65.21 | 63.01 | 63.88 | 2,076,938 | 0.26 | | 0.41 |
| WZEN | Webzen Inc | 2.830 | 2.660 | 2.740 | 7,100 | 0.100 | | 3.52 |