shares of amgen inc amgn advanced 157 to 23841 tuesday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 245 to 376479 and the dow jones industrial average djia rising 215 to 3053025 this was the stocks second consecutive day of gains amgen inc closed 2004 short of its 52week high 25845 which the company reached on april 11th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as johnson  johnson jnj rose 209 to 17301 roche holding ag part cert rhhvf fell 101 to 30301 and pfizer inc pfe rose 340 to 4811 trading volume 39 m eclipsed its 50day average volume of 33 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