shares of amgen inc amgn inched 067 higher to 22968 friday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 016 to 446800 and the dow jones industrial average djia rising 004 to 3551538 this was the stocks fourth consecutive day of gains amgen inc closed 4701 below its 52week high 27669 which the company achieved on january 28th the stock demonstrated a mixed performance when compared to some of its competitors friday as johnson  johnson jnj rose 060 to 17625 roche holding ag part cert rhhvf rose 159 to 40250 and pfizer inc pfe rose 262 to 4848 trading volume 18 m remained 514456 below its 50day average volume of 23 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