shares of ameren corp aee sank 061 to 9648 monday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 169 to 441253 and dow jones industrial average djia falling 119 to 3430808 ameren corp closed 104 short of its 52week high 9752 which the company reached on april 8th despite its losses the stock outperformed some of its competitors monday as dominion energy inc d fell 097 to 8752 duke energy corp duk fell 097 to 11423 and xcel energy inc xel fell 061 to 7436true trading volume 11 m remained 248624 below its 50day average volume of 13 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