shares of gilead sciences inc gild slid 014 to 8288 wednesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 083 to 395879 and dow jones industrial average djia falling 012 to 3355383 the stocks fall snapped a twoday winning streak gilead sciences inc closed 126 below its 52week high 8414 which the company reached on november 14th the stock demonstrated a mixed performance when compared to some of its competitors wednesday as johnson  johnson jnj rose 062 to 17346 merck  co inc mrk rose 033 to 9993 and abbvie inc abbv fell 076 to 15187 trading volume 61 m remained 27 million below its 50day average volume of 88 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