Chicago Tribune – JANA Partners, an activist hedge fund run by billionaire Barry Rosenstein, has revealed a stake in Groupon and Zynga, two of the most battered technology stocks.
Shares of both companies jumped on the news. JANA, which oversees more than $4 billion in U.S. stock holdings, disclosed stakes of 24.6 million Zynga Inc class A shares and 21.9 million Groupon Inc class A shares in regulatory filings on Wednesday.
