shares of cadence design systems inc cdns slumped 095 to 16970 wednesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 020 to 378328 and dow jones industrial average djia falling 014 to 3027387 the stocks fall snapped a twoday winning streak cadence design systems inc closed 2527 below its 52week high 19497 which the company achieved on august 16th the stock underperformed when compared to some of its competitors wednesday as autodesk inc adsk rose 227 to 20453 synopsys inc snps fell 010 to 32137 and ansys inc anss rose 027 to 23384 trading volume 26 m eclipsed 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