Why Is Glaukos Corporation $GKOS Stock Down -11.58% Today? (Find out why any stock moved today on Tickeron.) • $GKOS shares fell roughly 11.58% intraday, giving back a large portion of the previous session's surge. • The decline followed a steep rally, pointing to profit-taking and a "sell-the-news" response rather than a negative fundamental development. • The company announced a first-in-class retinal licensing deal with RevOpsis Therapeutics, but undisclosed financial terms left some investors cautious. • The stock had more than doubled off its 52-week low and gained over 67% year to date, leaving it vulnerable to sharp pullbacks. • Traders are watching third-quarter earnings, due after the close on October 28, as the next major catalyst. $SGHT $IRTC $RXST $INGN $PEN $AORT $ITGR