shares of mt bank corp mtb shed 129 to 12316 friday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 037 to 440959 and dow jones industrial average djia falling 032 to 3429912 mt bank corp closed 7026 short of its 52week high 19342 which the company reached on august 16th the stock underperformed when compared to some of its competitors friday as jpmorgan chase  co jpm rose 012 to 14326 bank of america corp bac fell 061 to 2919 and wells fargo  co wfc fell 042 to 4218 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