POOL is trading at $167.17, up 6.07% from its October 14 close of $158.12, with no confirmed immediate catalyst. - Available coverage points to its next quarterly results being scheduled for October 22, not today. - Supplied major-index figures show the S&P 500 and Nasdaq lower and the Dow higher; this does not clearly explain POOL’s gain. - Available reports do not establish unusual volume or trading activity.