shares of comcast corp cl a cmcsa sank 046 to 4740 monday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 038 to 440167 and dow jones industrial average djia falling 049 to 3456617 this was the stocks third consecutive day of losses comcast corp cl a closed 1440 short of its 52week high 6180 which the company achieved on september 3rd the stock demonstrated a mixed performance when compared to some of its competitors monday as walt disney co dis rose 092 to 15085 rogers communications inc cl b rci rose 074 to 5179 and dish network corp cl a dish fell 099 to 3097 trading volume 238 m remained 699649 below its 50day average volume of 245 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