| Code | Name | High | Low | Close | Volume | Change |
|---|
| WEL | Boots and Coots International Well | 1.330 | 1.180 | 1.230 | 556,300 | 0.020 |  | 1.65 |
| WEX | Winland Electronics Inc. | 0.6000 | 0.4500 | 0.5800 | 2,500 | 0.0500 | | 9.43 |
| WGA | Wells-Gardner Electronics Corporation | 0.4800 | 0.4000 | 0.4100 | 15,400 | 0.0900 |  | 18.00 |
| WGW | Western Goldfields Inc. (Canada) | 1.070 | 0.920 | 1.050 | 289,400 | 0.160 | | 17.98 |
| WIP | SPDR Series Trust | 43.03 | 42.50 | 42.60 | 34,700 | 0.30 | | 0.70 |
| WIS.P | Wisconsin Power & Light Co. | 79.95 | 78.00 | 79.95 | 100 | 1.95 | | 2.50 |
| WLB | Westmoreland Coal Company | 6.340 | 5.300 | 6.100 | 66,800 | 0.200 | | 3.17 |
| WLB.P | Westmoreland Coal Company | 15.00 | 15.00 | 15.00 | 100 | 1.25 | | 7.69 |
| WMH | Merrill Lynch Wireless HOLDRS | 32.98 | 31.52 | 32.96 | 15,300 | 0.79 | | 2.34 |
| WMW | DEUTSHE BANK AG ELEM | 5.900 | 5.010 | 5.900 | 8,600 | 0.210 | | 3.69 |
| WOC | Wilshire Enterprises Inc | 1.250 | 1.250 | 1.250 | 400 | 0.000 |  | 0.00 |
| WPS | ISHARES S& P WLD X-US | 19.10 | 17.63 | 19.10 | 113,800 | 1.47 | | 8.34 |
| WSC | Wesco Financial Corporation | 260.0 | 243.0 | 252.0 | 5,200 | 5.0 | | 1.95 |
| WSI | FOCUSSHARES REVERE | 38.30 | 37.68 | 37.68 | 23,000 | 0.71 | | 1.92 |
| WSO.B | Watsco Inc. | 31.03 | 30.00 | 31.03 | 800 | 0.33 | | 1.05 |
| WTT | Wireless Telecom Group Inc. | 0.3800 | 0.3600 | 0.3800 | 10,300 | 0.0100 | | 2.70 |
| WVK | Morgan Stanley | 3.950 | 3.550 | 3.550 | 6,500 | 0.590 | | 14.25 |
| WYY | WidePoint Corporation | 0.2500 | 0.2300 | 0.2400 | 63,300 | 0.0100 | | 4.00 |
| WZE | WIZZARD SOFTWARE CORPORATION | 0.7000 | 0.6000 | 0.6600 | 80,100 | 0.0000 | | 0.00 |