| Code | Name | High | Low | Close | Volume | Change |
|---|
| WAB | Wabtec Corporation | 46.77 | 45.78 | 46.43 | 270,629 | 0.59 |  | 1.29 |
| WAG | Walgreen Company | 28.87 | 28.52 | 28.67 | 5,163,510 | 0.18 | | 0.63 |
| WAL | Western Alliance Bancorporation | 6.510 | 6.250 | 6.380 | 582,237 | 0.070 | | 1.11 |
| WAT | Waters Corporation | 64.93 | 64.13 | 64.42 | 679,809 | 0.22 | | 0.34 |
| WB-B | WACHOVIA CORP. | 25.20 | 24.99 | 25.10 | 71,807 | 0.00 |  | 0.00 |
| WB-C | WACHOVIA CORP. | 25.10 | 24.92 | 25.10 | 100,732 | 0.16 | | 0.64 |
| WB-D | WACHOVIA CORP. | 26.14 | 25.98 | 26.08 | 34,615 | 0.00 | | 0.00 |
| WBC | Wabco Holdings Inc. | 39.20 | 38.88 | 39.17 | 240,670 | 0.25 | | 0.64 |
| WBD | WIMM BILL DANN FOODS OJSC | 19.81 | 19.19 | 19.67 | 203,979 | 0.14 | | 0.72 |
| WBK | Westpac Banking Corporation | 105.3 | 104.0 | 104.8 | 8,807 | 1.3 | | 1.23 |
| WBS | Webster Financial Corporation | 16.97 | 16.40 | 16.65 | 291,396 | 0.34 | | 2.08 |
| WCC | WESCO International Inc. | 36.02 | 35.58 | 35.91 | 447,652 | 0.26 | | 0.73 |
| WCG | Wellcare Group | 26.28 | 25.65 | 25.83 | 440,977 | 0.42 |  | 1.60 |
| WCN | Waste Connections Inc. | 39.35 | 38.73 | 39.23 | 335,118 | 0.48 | | 1.24 |
| WCO | Wells Fargo & Company | 28.39 | 28.24 | 28.36 | 171,600 | 0.08 | | 0.28 |
| WDC | Western Digital Corporation | 26.31 | 25.06 | 26.17 | 7,919,050 | 0.15 | | 0.58 |
| WDR | Waddell & Reed Financial Inc. | 25.87 | 25.35 | 25.65 | 892,017 | 0.35 | | 1.38 |
| WEA | Western Asset Bond Fund | 15.05 | 14.78 | 14.95 | 66,782 | 0.17 | | 1.15 |
| WEC | Wisconsin Energy Corporation | 57.15 | 56.48 | 56.64 | 568,423 | 0.40 | | 0.70 |
| WEN | Wendy's/Arby's Group Inc. | 4.420 | 4.330 | 4.360 | 3,116,595 | 0.010 | | 0.23 |
| WES | Western Gas Partners LP | 25.00 | 24.61 | 24.80 | 113,546 | 0.05 | | 0.20 |
| WF | Woori Finance Holdings Co Ltd | 34.32 | 33.90 | 34.10 | 1,500 | 0.30 | | 0.89 |
| WFC | Wells Fargo & Company | 25.40 | 25.03 | 25.22 | 21,586,787 | 0.30 | | 1.20 |
| WFC-J | Wells Fargo & Company | 28.00 | 27.75 | 28.00 | 116,223 | 0.23 | | 0.83 |
| WFC-L | Wells Fargo & Company | 992.7 | 990.0 | 992.0 | 3,400 | 2.0 | | 0.20 |
| WFC.W | Wells Fargo & Company | 8.350 | 8.250 | 8.340 | 13,000 | 0.140 | | 1.71 |
| WFR | MEMC Electronic Materials Inc. | 10.88 | 10.64 | 10.71 | 9,301,284 | 0.06 | | 0.56 |
| WFT | Weatherford International Ltd | 15.71 | 15.07 | 15.47 | 27,980,807 | 0.08 | | 0.51 |
| WG | Willbros Group Inc. | 8.780 | 8.550 | 8.580 | 245,499 | 0.070 | | 0.81 |
| WGL | WGL Holdings Inc | 36.34 | 35.83 | 35.86 | 393,512 | 0.20 | | 0.55 |
| WGO | Winnebago Industries Inc. | 9.580 | 9.320 | 9.450 | 100,868 | 0.040 | | 0.43 |
| WH | WSP Holdings Limited | 1.570 | 1.360 | 1.420 | 262,501 | 0.040 | | 2.74 |
| WHG | Westwood Holdings Group Inc | 32.91 | 32.19 | 32.35 | 3,826 | 0.29 | | 0.90 |
| WHR | Whirlpool Corporation | 77.92 | 75.99 | 77.47 | 1,892,942 | 1.49 | | 1.96 |
| WHX | Whiting USA Trust I | 19.96 | 19.60 | 19.89 | 98,323 | 0.01 | | 0.05 |
| WIA | Western Asset/Claymore U.S. Treasury | 12.85 | 12.71 | 12.85 | 124,679 | 0.16 | | 1.26 |
| WIT | Wipro Limited | 13.12 | 12.98 | 13.09 | 669,075 | 0.12 | | 0.93 |
| WIW | Western Asset/Claymore U.S Treasury | 12.60 | 12.50 | 12.60 | 98,080 | 0.10 | | 0.80 |
| WL | Wilmington Trust Corporation | 9.210 | 8.920 | 9.050 | 543,314 | 0.080 | | 0.89 |
| WLK | Westlake Chemical Corporation | 27.53 | 26.64 | 27.18 | 164,813 | 0.58 | | 2.18 |
| WLL | Whiting Petroleum Corporation | 92.88 | 91.50 | 92.19 | 1,196,189 | 0.91 | | 1.00 |
| WLL-A | Whiting Petroleum Corporation | 227.4 | 225.3 | 225.3 | 180,145 | 1.3 | | 0.56 |
| WLP | WellPoint Health Networks Inc. | 53.09 | 52.26 | 52.91 | 2,361,178 | 0.51 | | 0.97 |
| WLT | Walter Energy Inc. | 77.85 | 74.89 | 75.16 | 1,567,472 | 0.89 | | 1.17 |
| WM | Waste Management Inc. | 34.07 | 33.81 | 33.92 | 2,364,549 | 0.09 | | 0.27 |
| WMB | Williams Companies Inc. (The) | 19.29 | 19.03 | 19.21 | 7,307,006 | 0.21 | | 1.11 |
| WMG | Warner Music Group Corp. | 4.800 | 4.650 | 4.770 | 426,025 | 0.130 | | 2.80 |
| WMK | Weis Markets Inc. | 35.90 | 35.35 | 35.37 | 25,797 | 0.26 | | 0.73 |
| WMS | WMS Industries Inc. | 38.18 | 37.22 | 38.06 | 551,021 | 0.82 | | 2.20 |
| WMT | Wal-Mart Stores Inc. | 51.98 | 51.52 | 51.83 | 8,906,909 | 0.03 | | 0.06 |
| WMZ | Williams Pipeline Partners LP | 32.06 | 31.70 | 31.86 | 324,791 | 0.11 | | 0.34 |
| WNA.P | Wachovia Corporation | 25.95 | 25.81 | 25.95 | 43,961 | 0.10 | | 0.39 |
| WNC | Wabash National Corporation | 6.820 | 6.600 | 6.700 | 750,148 | 0.150 | | 2.29 |
| WNI | Weider Nutrition International Inc. | 8.690 | 8.450 | 8.580 | 59,656 | 0.130 | | 1.54 |
| WNR | Western Refining Inc. | 4.880 | 4.700 | 4.830 | 1,078,206 | 0.010 | | 0.21 |
| WNS | WNS (Holdings) Limited | 8.950 | 8.830 | 8.850 | 16,050 | 0.130 | | 1.45 |
| WOR | Worthington Industries Inc. | 16.00 | 15.51 | 15.79 | 507,956 | 0.19 | | 1.22 |
| WPC | W.P. Carey & Co. LLC | 28.50 | 28.20 | 28.22 | 50,705 | 0.04 | | 0.14 |
| WPI | Watson Pharmaceuticals Inc. | 45.10 | 44.65 | 44.77 | 665,167 | 0.01 | | 0.02 |
| WPK | Wells Fargo & Company | 25.13 | 24.91 | 25.13 | 317,158 | 0.23 | | 0.92 |
| WPO | Washington Post Company (The) | 380.5 | 370.8 | 373.7 | 99,644 | 0.8 | | 0.21 |
| WPP | Wausau-Mosinee Paper Corporation | 7.350 | 7.250 | 7.340 | 222,691 | 0.070 | | 0.96 |
| WPZ | Williams Partners L.P. | 43.40 | 42.74 | 43.02 | 204,311 | 0.11 | | 0.26 |
| WR | Westar Energy Inc. | 24.16 | 23.80 | 23.82 | 577,425 | 0.14 | | 0.58 |
| WRB | W.R. Berkley Corporation | 26.41 | 26.19 | 26.37 | 651,962 | 0.08 | | 0.30 |
| WRB-A | W.R. Berkley Corporation | 25.19 | 24.94 | 25.10 | 14,228 | 0.27 | | 1.09 |
| WRC | Warnaco Group Inc (The) | 48.43 | 46.71 | 48.02 | 1,081,565 | 1.36 | | 2.91 |
| WRD | Weingarten Realty Investors | 23.88 | 23.61 | 23.61 | 10,190 | 0.14 | | 0.59 |
| WRE | Washington Real Estate Investment Trust | 31.73 | 31.41 | 31.52 | 397,848 | 0.00 | | 0.00 |
| WRI | Weingarten Realty Investors | 21.38 | 21.04 | 21.14 | 741,635 | 0.09 | | 0.43 |
| WRI-D | Weingarten Realty Investors | 24.70 | 24.50 | 24.66 | 1,850 | 0.14 | | 0.56 |
| WRI-E | Weingarten Realty Investors | 24.89 | 24.56 | 24.86 | 6,025 | 0.09 | | 0.36 |
| WRI-F | Weingarten Realty Investors | 24.85 | 24.42 | 24.71 | 38,575 | 0.05 | | 0.20 |
| WRS | Westar Energy Inc. | 26.99 | 26.38 | 26.98 | 12,596 | 0.18 | | 0.67 |
| WSF | Wells Fargo & Company | 26.02 | 25.83 | 25.86 | 118,772 | 0.04 | | 0.15 |
| WSH | Willis Group Holdings Limited | 30.70 | 30.40 | 30.52 | 803,710 | 0.05 | | 0.16 |
| WSM | Williams-Sonoma Inc. | 28.43 | 27.71 | 28.09 | 1,662,780 | 0.08 | | 0.29 |
| WSO | Watsco Inc. | 52.60 | 51.37 | 52.45 | 197,872 | 0.79 | | 1.53 |
| WST | West Pharmaceutical Services Inc. | 33.84 | 33.40 | 33.54 | 166,177 | 0.04 | | 0.12 |
| WTI | W&T Offshore Inc. | 9.720 | 9.470 | 9.530 | 213,714 | 0.040 | | 0.42 |
| WTM | White Mountains Insurance Group Ltd. | 314.9 | 310.5 | 312.2 | 7,702 | 1.2 | | 0.37 |
| WTR | Aqua America Inc. | 20.09 | 19.83 | 19.92 | 730,840 | 0.08 | | 0.40 |
| WTS | Watts Water Technologies Inc. | 32.31 | 31.70 | 32.06 | 114,144 | 0.43 | | 1.36 |
| WTU | Williams Coal Seam Gas Royalty Trust | 2.450 | 2.350 | 2.360 | 43,592 | 0.040 | | 1.67 |
| WTW | Weight Watchers International Inc | 29.66 | 29.35 | 29.58 | 204,352 | 0.12 | | 0.41 |
| WU | Western Union Company (The) | 16.36 | 16.17 | 16.23 | 3,117,413 | 0.05 | | 0.31 |
| WWE | World Wrestling Entertainment Inc. | 14.48 | 14.20 | 14.29 | 333,245 | 0.04 | | 0.28 |
| WWW | Wolverine World Wide Inc. | 27.49 | 26.92 | 27.07 | 183,020 | 0.03 | | 0.11 |
| WX | Wuxi Pharmatech (Cayman) Inc. | 15.20 | 15.00 | 15.00 | 157,032 | 0.18 | | 1.19 |
| WXS | Wright Express Corporation | 33.15 | 32.69 | 32.91 | 112,286 | 0.00 | | 0.00 |
| WY | Weyerhaeuser Company | 16.16 | 15.65 | 15.99 | 6,034,149 | 0.12 | | 0.76 |
| WYN | Wyndham Worldwide Corp | 26.04 | 25.44 | 25.98 | 3,170,457 | 0.54 | | 2.12 |