shares of vertex pharmaceuticals inc vrtx sank 079 to 32515 tuesday on what proved to be an allaround mixed trading session for the stock market with the sp 500 index spx rising 009 to 415487 and the dow jones industrial average djia falling 003 to 3397663 this was the stocks second consecutive day of losses vertex pharmaceuticals inc closed 985 short of its 52week high 33500 which the company reached on april 17th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as abbvie inc abbv fell 099 to 15959 krystal biotech inc krys rose 104 to 8900 and arcturus therapeutics holdings inc arct rose 083 to 2788 trading volume 957458 remained 170332 below its 50day average volume of 11 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