shares of mastercard inc ma slumped 045 to 36829 tuesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 101 to 430476 and dow jones industrial average djia falling 142 to 3359661 this was the stocks third consecutive day of losses mastercard inc closed 3321 short of its 52week high 40150 which the company achieved on april 28th despite its losses the stock outperformed some of its competitors tuesday as amazoncom inc amzn fell 158 to 300395 visa inc cl a v fell 062 to 22132 and american express co axp fell 125 to 19244true trading volume 39 m remained 879695 below its 50day average volume of 48 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