shares of blackberry ltd bb advanced 221 to 601 thursday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 058 to 390079 and dow jones industrial average djia falling 075 to 3125313 blackberry ltd closed 1416 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 thursday as crowdstrike holdings inc cl a crwd rose 299 to 14264 vmware inc vmw rose 141 to 9495 and citrix systems inc ctxs fell 022 to 9946 trading volume 209 m eclipsed its 50day average volume of 83 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