shares of american electric power co inc aep slipped 061 to 8855 monday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 016 to 397753 and the dow jones industrial average djia rising 060 to 3243208 american electric power co inc closed 1705 short of its 52week high 10560 which the company reached on september 12th the stock underperformed when compared to some of its competitors monday as nextera energy inc nee fell 033 to 7544 duke energy corp duk rose 034 to 9469 and southern co so fell 051 to 6824 trading volume 19 m remained 11 million below its 50day average volume of 30 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