shares of gilead sciences inc gild rallied 126 to 8285 monday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 089 to 395725 and dow jones industrial average djia falling 063 to 3353670 gilead sciences inc closed 095 short of its 52week high 8380 which the company reached on november 10th the stock demonstrated a mixed performance when compared to some of its competitors monday as johnson  johnson jnj rose 157 to 17191 merck  co inc mrk rose 244 to 10035 and abbvie inc abbv rose 105 to 15174 trading volume 77 m remained 11 million below its 50day average volume of 87 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