IP owner Vringo (VRNG +9.6%) jumps after hedge fund 18 Partners discloses it owns a 5.09% stake....

|By:, SA News Editor

IP owner Vringo (VRNG +9.6%) jumps after hedge fund 18 Partners discloses it owns a 5.09% stake. Shares have soared this month thanks to a positive TechCrunch article, and news that patent law opponent Mark Cuban has taken a 7.4% stake. Vringo is up 115% from its March 30 close.