Activist investor Starboard says it's acquired 6.5% stake in Match Group

The stock surged nearly 9% in extended trading on Monday after the Wall Street Journal reported on Starboard's stake. Starboard also urged the company to put its balance sheet to work with share buybacks. Representatives from Match didn't immediately provide a comment. WATCH: Activist investors succeed in 96% of campaigns Jeff Smith, chief executive officer of Starboard Value LP, speaks during a Bloomberg Television interview in New York, U.S. Starboard Value has amassed a roughly 6.5% stake in online datin ...