shares of blackberry ltd bb shed 353 to 574 tuesday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 015 to 3192862 and the sp 500 index spx falling 081 to 394148 blackberry ltd closed 1443 below its 52week high 2017 which the company achieved on june 3rd the stock demonstrated a mixed performance when compared to some of its competitors tuesday as crowdstrike holdings inc cl a crwd fell 630 to 13987 vmware inc vmw fell 292 to 11594 and citrix systems inc ctxs fell 026 to 9952 trading volume 73 m remained 14 million below its 50day average volume of 87 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