shares of gilead sciences inc gild slid 118 to 8798 monday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 179 to 399884 and dow jones industrial average djia falling 140 to 3394710 the stocks fall snapped a fourday winning streak gilead sciences inc closed 109 short of its 52week high 8907 which the company achieved on december 2nd the stock demonstrated a mixed performance when compared to some of its competitors monday as johnson  johnson jnj fell 006 to 17878 pfizer inc pfe fell 035 to 5073 and abbott laboratories abt fell 248 to 10541 trading volume 68 m remained 15 million below its 50day average volume of 83 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