shares of comerica inc cma sank 021 to 7577 wednesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 013 to 375989 and dow jones industrial average djia falling 015 to 3048313 the stocks fall snapped a twoday winning streak comerica inc closed 2632 below its 52week high 10209 which the company reached on february 10th despite its losses the stock outperformed some of its competitors wednesday as jpmorgan chase  co jpm fell 056 to 11518 bank of america corp bac fell 076 to 3260 and wells fargo  co wfc fell 100 to 3860true trading volume 907987 remained 614807 below its 50day average volume of 15 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