shares of american electric power co inc aep shed 166 to 8792 monday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 075 to 387198 and dow jones industrial average djia falling 039 to 3273295 american electric power co inc closed 1768 below its 52week high 10560 which the company achieved on september 12th the stock underperformed when compared to some of its competitors monday as dominion energy inc d rose 081 to 6997 duke energy corp duk fell 087 to 9318 and southern co so fell 130 to 6548 trading volume 41 m eclipsed its 50day average volume of 29 m editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use