shares of block inc sq slid 524 to 15830 monday on what proved to be an allaround poor trading session for the stock market with the nasdaq composite index comp falling 124 to 1498094 and dow jones industrial average djia falling 123 to 3493216 block inc closed 13093 short of its 52week high 28923 which the company reached on august 5th the stock underperformed when compared to some of its competitors monday as paypal holdings inc pypl fell 189 to 18268 fiserv inc fisv fell 302 to 10052 and global payments inc gpn fell 344 to 12367 trading volume 93 m eclipsed its 50day average volume of 79 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