shares of gilead sciences inc gild rallied 221 to 6479 wednesday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 183 to 397987 and the dow jones industrial average djia rising 140 to 3158128 the stocks rise snapped a twoday losing streak gilead sciences inc closed 933 below its 52week high 7412 which the company reached on december 30th the stock outperformed some of its competitors wednesday as johnson  johnson jnj rose 055 to 16407 merck  co inc mrk rose 052 to 8687 and abbvie inc abbv rose 081 to 13871 trading volume 96 m eclipsed its 50day average volume of 61 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