US STOCKS-Dow, S&P end at records as indexes score 4th week of gains By: Reuters: Company News May 17, 2013 at 17:06 PM EDT * Dow up 0.8 percent, S&P 500 up 1 percent, Nasdaq up 1 percent Read More >> Related Stocks: Exxon Mobil General Motors J C Penney Company Inc Kansas City Southern Tableau Software Inc Cl A