shares of american electric power co inc aep sank 083 to 8863 tuesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 153 to 398637 and dow jones industrial average djia falling 172 to 3285646 the stocks fall snapped a threeday winning streak american electric power co inc closed 1697 short of its 52week high 10560 which the company achieved on september 12th despite its losses the stock outperformed some of its competitors tuesday as nextera energy inc nee fell 087 to 7375 duke energy corp duk fell 256 to 9352 and southern co so fell 138 to 6433true trading volume 34 m eclipsed its 50day average volume of 26 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