shares of amgen inc amgn inched 003 higher to 23632 monday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 004 to 446118 and dow jones industrial average djia falling 058 to 3455299 this was the stocks seventh consecutive day of gains amgen inc closed 2468 below its 52week high 26100 which the company achieved on april 21st the stock demonstrated a mixed performance when compared to some of its competitors monday as johnson  johnson jnj rose 057 to 17583 roche holding ag part cert rhhvf remained unchanged and pfizer inc pfe fell 059 to 5419 trading volume 24 m remained 10 million below its 50day average volume of 34 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