shares of vertex pharmaceuticals inc vrtx sank 009 to 34712 tuesday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 115 to 437841 and the dow jones industrial average djia rising 063 to 3392674 vertex pharmaceuticals inc closed 734 below its 52week high 35446 which the company achieved on may 2nd the stock demonstrated a mixed performance when compared to some of its competitors tuesday as abbvie inc abbv fell 174 to 13260 krystal biotech inc krys fell 050 to 11538 and arcturus therapeutics holdings inc arct rose 118 to 2490 trading volume 12 m remained 44629 below its 50day average volume of 13 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