shares of pfizer inc pfe slumped 015 to 5391 friday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 247 to 415824 and the dow jones industrial average djia rising 176 to 3321296 the stocks fall snapped a sixday winning streak pfizer inc closed 780 short of its 52week high 6171 which the company achieved on december 20th the stock underperformed when compared to some of its competitors friday as johnson  johnson jnj rose 091 to 18109 merck  co inc mrk rose 083 to 9308 and novartis ag adr nvs rose 022 to 9146 trading volume 214 m remained 49 million below its 50day average volume of 263 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