Through his Omega Advisors hedge fund, he is currently making big bets on stocks like SLM Corp.

FORBES: Billionaire Leon Cooperman Keeps Fighting With Controversial Hedge Fund Manager

Chief executives by disposition believe their companies to be undervalued, so they may be in the worst position to judge when a buyback makes sense, says Leon Cooperman, who runs Omega Advisors, a hedge fund.

ECONOMIST: Buy means sell

Enter Leon "Lee" Cooperman, a hedge-fund titan who founded Omega Advisors after a 25-year career at Goldman Sachs Group Inc.

WSJ: WRITING ON THE WALL: The 1% Has Found Its Moses

The decision to scale back on partners was a conscious one, says distributor Sony Pictures Entertainment: Rather than jam the film with product placements, the company looked for fewer brands that would make a larger commitment to the movie: Rather than just paying for screen time, brands like Sony, Omega watches, Heineken and Ford Motor have agreed to help fund the marketing blizzard for the new movie.

FORBES: Magazine Article

Two legendary fund managers, Marvin Schwartz of Neuberger Berman and Leon Cooperman of Omega Advisors both told CNBC on Thursday that the high frequency trading programs are the cause of the crazy volatility.

FORBES: Legendary Investors Blame High Frequency Traders For Steep Mkt Declines