| WAB | Westinghouse Air Brake Technologies Corp. | WHG | Westwood Holdings Group Inc. | WRC | Warnaco Group Inc. |
| WABC | Westamerica Bancorp. | WHI | W Holding Co. Inc. | WRD | WEINGARTEN RLTY 8.1% |
| WAC | Walter Investment Management Corp. | WHR | Whirlpool Corp. | WRE | Washington Real Estate Investment Trust |
| WACLY | Wacoal Holdings | WHRT | World Heart Corp. | WREI | Wilshire US REIT |
| WAG | Walgreen Co. | WHX | Whiting USA Trust I | WRES | Warren Resources Inc. |
| WAIN | Wainwright Bank & Trust Co. | WIA | Western Asset/Claymore Inflation-Linked Securities & Income Fund | WRI | Weingarten Realty Investors |
| WAL | Western Alliance Bancorporation | WIBC | Wilshire Bancorp Inc. | WRLD | World Acceptance Corp. |
| WASH | Washington Trust Bancorp Inc. | WILC | G. Willi Food-International Ltd. | WRLS | Telular Corp. |
| WAT | Waters Corp. | WIN | Windstream Corporation | WRS | Westar Energy Inc |
| WATG | Wonder Auto Technology, Inc. | WINA | Winmark Corp. | WSB | WSB Holdings, Inc. |
| WAVE | Nextwave Wireless Inc. | WIND | Wind River Systems, Inc. | WSBC | WesBanco Inc. |
| WAVED | Nxtwav Wirels | WINN | Winn-Dixie Stores Inc. | WSBF | Waterstone Financial, Inc. |
| WAVX | Wave Systems Corp. | WIP | Spdr Db Int Govt | WSC | Wesco Financial Corp. |
| WAYN | Wayne Savings Bancshares Inc. | WIRE | Encore Wire Corp. | WSCC | Waterside Capital Corporation |
| WBC | WABCO Holdings Inc. | WIT | Wipro Ltd | WSCI | WSI Industries Inc. |
| WBCO | Washington Banking Co. | WIW | Western Asset/Claymore Inflation- Linked Opportunities & Income | WSF | Wells Fargo Cap IV & PC Sec |
| WBD | Wimm-Bill-Dann Foods OJSC | WL | Wilmington Trust Corporation | WSFS | WSFS Financial Corp. |
| WBK | Westpac Banking Corporation | WLB | Westmoreland Coal Co. | WSH | Willis Group Holdings Ltd. |
| WBMD | WebMD Health Corp. | WLBC | Wstrn Lbrty Bncp | WSII | Waste Services Inc. |
| WBNK | Waccamaw Bankshares Inc. | WLDN | Willdan Group, Inc. | WSM | Williams Sonoma Inc |
| WBS | Webster Financial Corp. | WLFC | Willis Lease Finance Corp. | WSO | Watsco Inc. |
| WBSN | Websense, Inc. | WLFCP | Willis Lease Finance Corp | WSOB | Watsco Inc Cl B |
| WBSTP | Webster Preferred Capital Corp. | WLK | Westlake Chemical Corp. | WST | West Pharmaceutical Services, Inc. |
| WCAA | WCA Waste Corporation | WLL | Whiting Petroleum Corp. | WSTG | Wayside Technology Group, Inc. |
| WCAT | Jffrs TR/J CRB Wld Expl & Prdtn Ety | WLP | WellPoint Inc. | WSTL | Westell Technologies Inc. |
| WCBO | West Coast Bancorp | WLT | Walter Energy, Inc. | WTBA | West Bancorp., Inc. |
| WCC | WESCO International Inc. | WM | Waste Managemnt | WTFC | Wintrust Financial Corporation |
| WCG | WellCare Health Plans, Inc. | WMAR | West Marine Inc. | WTI | W&T Offshore Inc. |
| WCN | Waste Connections Inc | WMB | Williams Companies, Inc. | WTM | White Mountains Insurance Group Ltd. |
| WCO | Wells Fargo Capital XIV | WMCO | Williams Controls Inc. | WTNY | Whitney Holding Corp. |
| WCRX | Warner Chilcott Limited | WMG | Warner Music Group Corp. | WTR | Aqua America Inc. |
| WDC | Western Digital Corp. | WMGI | Wright Medical Group Inc. | WTS | Watts Water Technologies, Inc. |
| WDFC | WD-40 Co. | WMH | MERRILL LYNCH WIRELESS HLDR 40 | WTSLA | Wet Seal Inc. |
| WDR | Waddell & Reed Financial Inc. | WMI | Waste Management, Inc. | WTT | Wireless Telecom Group Inc. |
| WEA | Western Asset Premier Bond Fund | WMK | Weis Markets, Inc. | WTU | Williams Coal Seam Gas Royalty Trust |
| WEBM | WebMediaBrands Inc | WMS | WMS Industries Inc. | WTW | Weight Watcher's International Inc. |
| WEC | Wisconsin Electric | WMT | Wal-Mart Stores Inc. | WU | Western Union Co. |
| WEDC | White Electronic Designs Corp. | WMW | ELEMENTS Lkd Mrngstr Wd Mt Fcs TR Indx | WUHN | Wuhan General Group |
| WEL | Boots & Coots, Inc. | WMZ | Williams Pipeline Partners L.P. | WVFC | WVS Financial Corp. |
| WEN | Wendy's/Arby's Group, Inc. | WNC | Wabash National Corp. | WVK | MS 12% SPARQS Lnkd to Wthrfrd Intl Ltd |
| WERN | Werner Enterprises Inc. | WNI | Schiff Nutrition International Inc. | WVVI | Willamette Valley Vineyards Inc. |
| WES | Western Gas Partners Lp | WNR | Western Refining Inc. | WW | Watson Wyatt Worldwide, Inc. |
| WEST | Western Sizzlin Corp. | WNS | WNS (Holdings) Ltd. | WWAY | Westway Group |
| WEX | Winland Electronics Inc. | WOC | Wilshire Enterprises Inc. | WWE | World Wrestling Entertainment Inc. |
| WEYS | Weyco Group Inc. | WOLF | Great Wolf Resorts Inc. | WWON | Westwood One |
| WF | Woori Finance Holdings Co. Ltd. | WOOD | iShrs Trst S&P Glbl Tmbr & Fstry Idx Fnd | WWVY | Warwick Valley Telephone Co. |
| WFC | Wells Fargo & Company | WOOF | VCA Antech Inc. | WWW | Wolverine World Wide Inc. |
| WFD | Westfield Financial Inc. | WOR | Worthington Industries, Inc. | WWWW | Web.com Group, Inc. |
| WFMI | Whole Foods Market, Inc. | WPC | W. P. Carey & Co. LLC | WX | WuXi PharmaTech (Cayman) Inc. |
| WFR | MEMC Electronic Materials Inc. | WPCS | WPCS International Incorporated | WXCO | WHX Corp. |
| WFSL | Washington Federal Inc. | WPI | Watson Pharmaceuticals Inc. | WXS | Wright Express Corp. |
| WFT | Weatherford International Ltd. | WPK | WELLS FARGO CAP VII 5.85 TRUPS | WXSP | Wilshire 4500 Completion |
| WFVK | Wilshire 5000 Total Market | WPO | Washington Post Co. | WY | Weyerhaeuser Co. |
| WG | Willbros Group Inc. | WPP | Wausau Paper Corp. | WYE | |
| WGA | Wells-Gardner Electronics Corp. | WPPGY | Wpp Plc Ads | WYN | Wyndham Worldwide Corporation |
| WGL | WGL Holdings Inc. | WPRT | Westport Innovations Inc. | WYNN | Wynn Resorts Ltd. |
| WGNB | WGNB Corp. | WPS | iShares S&P Wrld Ex US Prprty Indx Fd | WYY | WidePoint Corp. |
| WGNR | Wegener Corp. | WPTE | WPT Enterprises Inc. | WZE | Wizzard Software Corporation |
| WGO | Winnebago Industries Inc. | WPZ | Williams Partners L.P. | WZEN | Webzen Inc. |
| WGOV | Woodward Governor Co. | WR | Westar Energy Inc. | ||
| WH | WSP Holdings Ltd. | WRB | W.R. Berkley Corporation |
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