shares of catalyst pharmaceuticals inc cprx shed 051 to 1546 tuesday on what proved to be an allaround mixed trading session for the stock market with the nasdaq composite index comp rising 057 to 1196015 and the dow jones industrial average djia falling 046 to 3408927 catalyst pharmaceuticals inc closed 665 below its 52week high 2211 which the company achieved on january 13th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as johnson  johnson jnj fell 044 to 16204 pfizer inc pfe fell 061 to 4372 and abbott laboratories abt fell 116 to 10726 trading volume 11 m remained 15 million below its 50day average volume of 26 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