| Code | Name | High | Low | Close | Volume | Change |
|---|
| WAC | WALTER INVESTMENT MG | 12.75 | 12.41 | 12.50 | 202,291 | 0.25 |  | 1.96 |
| WEL | Boots and Coots International Well | 1.370 | 1.310 | 1.360 | 611,194 | 0.030 |  | 2.26 |
| WEX | Winland Electronics Inc. | 0.8800 | 0.7200 | 0.7900 | 7,246 | 0.0300 | | 3.95 |
| WGA | Wells-Gardner Electronics Corporation | 2.650 | 2.490 | 2.650 | 16,794 | 0.010 | | 0.38 |
| WIP | SPDR Series Trust | 57.68 | 57.26 | 57.56 | 158,421 | 0.10 | | 0.17 |
| WIS.P | Wisconsin Power & Light Co. | 85.75 | 85.75 | 85.75 | 50 | 0.46 | | 0.54 |
| WLB | Westmoreland Coal Company | 7.140 | 6.900 | 7.050 | 20,999 | 0.070 | | 1.00 |
| WLB.P | Westmoreland Coal Company | 13.92 | 13.65 | 13.92 | 1,000 | 0.90 | | 6.91 |
| WLB.U | WESTMORELAND PFD | 8.500 | 8.050 | 8.500 | 2,800 | 0.600 | | 7.59 |
| WLBC | WESTERN LIBERTY BANCORP | 7.930 | 7.500 | 7.500 | 3,700 | 0.350 | | 4.46 |
| WMH | Merrill Lynch Wireless HOLDRS | 45.81 | 45.80 | 45.81 | 1,400 | 0.00 |  | 0.00 |
| WMW | DEUTSHE BANK AG ELEM | 10.33 | 10.27 | 10.33 | 1,983 | 0.09 | | 0.88 |
| WOC | Wilshire Enterprises Inc | 1.630 | 1.610 | 1.630 | 951 | 0.020 | | 1.24 |
| WPS | ISHARES S& P WLD X-US | 31.22 | 30.96 | 31.20 | 11,974 | 0.15 | | 0.48 |
| WSC | Wesco Financial Corporation | 338.8 | 336.3 | 337.2 | 1,809 | 0.7 | | 0.20 |
| WSO.B | Watsco Inc. | 51.50 | 51.08 | 51.08 | 300 | 0.88 | | 1.69 |
| WTT | Wireless Telecom Group Inc. | 0.7800 | 0.7100 | 0.7800 | 8,210 | 0.0200 | | 2.63 |
| WWIN | WINNER MEDICAL GROUP | 5.000 | 4.560 | 5.000 | 5,700 | 0.370 | | 7.99 |
| WYY | WidePoint Corporation | 0.8500 | 0.8000 | 0.8100 | 39,271 | 0.0400 | | 4.71 |
| WZE | WIZZARD SOFTWARE CORPORATION | 0.4300 | 0.4000 | 0.4200 | 201,335 | 0.0100 | | 2.33 |