| | WRES.L | W Resources | LSE |
| | WTI | W&T Offshore Inc. | NYSE |
| | WRB | W. R. Berkley Corp. | NYSE |
| | WPC | W.P. Carey and Co. Llc | NYSE |
| | WRB/PC | W.R. Berkley Corp | NYSE |
| | WRB/PD | W.R. Berkley Corp | NYSE |
| | WRB/PE | W.R. Berkley Corp | NYSE |
| | GRA | W.R. Grace & Co. | NYSE |
| | WNC | Wabash National Corp. | NYSE |
| | WABCOINDIA.IN | WABCO India Ltd. | NSE |
| | WAB | Wabtec | NYSE |
| | WDR | Waddell & Reed Financial Inc. | NYSE |
| | WBLAX | Waddell & Reed InvestEd Balanced Portfolio | USMF |
| | WAGRX | Waddell & Reed InvestEd Growth Portfolio | USMF |
| | WAFU | Wah Fu Education Group Limited | NASD |
| | WTRH | Waitr Holdings Inc. | NASD |
| | WJX.TO | Wajax Corp. | TSE |
| | WMMVF | Wal-Mart de Mexico SA | PINK |
| | WMMVY | Wal-Mart de Mexico SA | PINK |
| | WALCHANNAG.IN | Walchandnagar Industries Ltd. | NSE |
| | WSBFX | Walden Social Balanced Fund | USMF |
| | WSEFX | Walden Social Equity | USMF |
| | WBA | Walgreens Boots Alliance, Inc. | NASD |
| | WD | Walker & Dunlop Inc. | NYSE |
| | WGB.L | Walker Greenbank | LSE |
| | WRR.V | Walker River Resources Corp. | TSXV |
| | WFC.TO | Wall Financial Corp. | TSE |
| | !FFBEAR | Wall Street Sentiment Bears | INDX |
| | !FFBULL | Wall Street Sentiment Bulls | INDX |
| | WLBMF | WALLBRIDGE MINING CO. | PINK |
| | WM.TO | Wallbridge Mining Co. Ltd. | TSE |
| | WMT | Walmart Inc. | NYSE |
| | DIS | Walt Disney Co. | NYSE |
| | WSCVX | Walthausen Small Cap Value Fund | USMF |
| | WANBURY.IN | Wanbury Ltd | NSE |
| | WSG | Wanda Sports Group Co. Ltd. | NASD |
| | WDRP | Wanderport Corporation | PINK |
| | WAND.L | WANdisco Plc | LSE |
| | WSCAX | Wanger International Small Cap Advisor | USMF |
| | WATWX | Wanger Twenty | USMF |
| | WUSAX | Wanger US Small Cap Advisor | USMF |
| | WMG | Warner Music Group Corp | NASD |
| | CLWD | Warp 9 Inc. | PINK |
| | W7L.L | Warpaint London PLC | LSE |
| | WAR.V | Warrior Gold Inc | TSXV |
| | HCC | Warrior Met Coal Inc. | NYSE |
| | WGROX | Wasatch Core Growth Fund | USMF |
| | WAINX | Wasatch Emerging India Fund | USMF |
| | WAEMX | Wasatch Emerging Markets Small Cap Fund | USMF |
| | WAFMX | Wasatch Frontier Emerging Small Countries Fund | USMF |
| | WAGOX | Wasatch Global Opportunities | USMF |
| | WAGSX | Wasatch Global Select Fund | USMF |
| | WAGTX | Wasatch Global Technology Fund | USMF |
| | WAIGX | Wasatch International Growth Fund | USMF |
| | WAIOX | Wasatch International Opportunities fund | USMF |
| | WMICX | Wasatch Micro Cap Fund | USMF |
| | WAMVX | Wasatch Micro Cap Value Fund | USMF |
| | WAAEX | Wasatch Small Cap Growth Fund | USMF |
| | WMCVX | Wasatch Small Cap Value Fund | USMF |
| | WASIX | Wasatch Strategic Income Fund | USMF |
| | WAMCX | Wasatch Ultra Growth Fund | USMF |
| | WHOSX | Wasatch-Hoisington U.S. Treasury Fund | USMF |
| | WAFD | Washington Federal, Inc. | NASD |
| | RWMCX | Washington Mutual Investors | USMF |
| | WMFFX | Washington Mutual Investors | USMF |
| | AWSHX | Washington Mutual Investors Fund | USMF |
| | WPG | Washington Prime Group Inc. | NYSE |
| | WRE | Washington R E I T | NYSE |
| | WASH | Washington Trust Bancorp, Inc. | NASD |
| | WCN | Waste Connections, Inc. | NYSE |
| | WCN.TO | Waste Connections, Inc. | TSE |
| | WM | Waste Management, Inc. | NYSE |
| | WOSG.L | Watches Of Switzerland Group Plc | LSE |
| | WTG.L | Watchstone Group PLC | LSE |
| | WTII | Water Technologies International, Inc. | PINK |
| | WATERBASE.IN | Waterbase Ltd | NSE |
| | WBR.TO | Waterloo Brewing Ltd. | TSE |
| | WAT | Waters Corp. | NYSE |
| | WSBF | Waterstone Financial | NASD |
| | WTRE | Watford Holdings Ltd. | NASD |
| | WJG.L | Watkin Jones PLC | LSE |
| | WSO | Watsco, Inc. | NYSE |
| | WTS | Watts Water Technologies, Inc. | NYSE |
| | WVE | Wave Life Sciences Ltd. | NASD |
| | WAVLX | Wavelength Interest Rate Neutral Fund | USMF |
| | WAVE.V | Waverley Pharma Inc. | TSXV |
| | W | Wayfair Inc. | NYSE |
| | MRRCF | Wayland Group Corp. | PINK |
| | WAYN | Wayne Savings Bancshares, Inc. | PINK |
| | WSTG | Wayside Technology Group, Inc. | NASD |
| | WBIY | WBI Power Factor High Dividend ETF | AMEX |
| | WBII | WBI Tactical Income Shares ETF | AMEX |
| | WBIE | WBI Tactical LCG Shares ETF | AMEX |
| | WBIL | WBI Tactical LCS Shares ETF | AMEX |
| | WBIF | WBI Tactical LCV Shares ETF | AMEX |
| | WBIG | WBI Tactical LCY Shares ETF | AMEX |
| | WCMEX | WCM Focused Emerging Markets Fund | USMF |
| | WCMRX | WCM Focused International Growth | USMF |
| | WDFC | WD-40 Co. | NASD |