Stocks from IBD's Sector Leaders screen all rose Friday, taking part in the session's broad rally. Three Sector Leaders managed to advance in strong or above-average turnover -- CommVault Systems (CVLT), Michael Kors (KORS) and FleetCor Technologies (FLT). In addition, Russian search engine Yandex (YNDX) earned a spot in the Sector Leaders screen as of Friday's edition, boosting the number of stocks in the lineup to nine. CommVault rose 3.07, or