shares of arista networks inc anet rallied 567 to 12771 tuesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 041 to 385610 and dow jones industrial average djia falling 024 to 3265320 arista networks inc closed 2086 short of its 52week high 14857 which the company achieved on december 27th the stock outperformed some of its competitors tuesday as microsoft corp msft fell 171 to 22817 cisco systems inc csco rose 007 to 4546 and hp inc hpq rose 083 to 2785 trading volume 53 m eclipsed its 50day average volume of 21 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