shares of loews corp l slumped 051 to 5659 wednesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 041 to 409195 and dow jones industrial average djia falling 011 to 3364650 the stocks fall snapped a fourday winning streak loews corp closed 1161 below its 52week high 6820 which the company achieved on april 21st the stock underperformed when compared to some of its competitors wednesday as chubb ltd cb rose 058 to 19923