shares of catalyst pharmaceuticals inc cprx shed 204 to 1347 wednesday on what proved to be an allaround grim trading session for the stock market with the nasdaq composite index comp falling 217 to 1397345 and dow jones industrial average djia falling 098 to 3528252 this was the stocks third consecutive day of losses catalyst pharmaceuticals inc closed 864 short of its 52week high 2211 which the company reached on january 13th the stock underperformed when compared to some of its competitors wednesday as johnson  johnson jnj rose 060 to 16991 pfizer inc pfe fell 073 to 3535 and abbott laboratories abt fell 173 to 10862 trading volume 10 m remained 661789 below its 50day average volume of 17 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