They study the strategies of the greats like Warren Buffett and John Templeton and then incorporate them into their own investing methodologies.

FORBES: Pearls Of Wisdom From The Warren Buffetts Next Door

The guy who convinced me of this is Vitaliy Katsenelson, but Warren Buffett, John Bogle and others have said the same thing.

FORBES: Bad Sentiment Could Be Good News

Two old hats who know a few tricks about stocks--Warren Buffett and John Bogle--say the U.S. equity markets are headed for a long period of underperformance.

FORBES: Magazine Article

So it comes as no surprise that the market eagerly anticipates the 13F filings from billionaire money managers that indicate what stocks investing legends like Warren Buffett, John Paulson, Steve Cohen, David Tepper, Carl Icahn, George Soros, and Jim Simons bought and sold each quarter.

FORBES: Billionaire Money Managers Like Financials And Pharmaceuticals

As Greenblatt explains, the two-step formula is designed to buy stock in good companies at bargain prices something that other great value investors, like Warren Buffett, Benjamin Graham and John Neff also did.

FORBES: Four Magic Formula Buys

" John Train author of The Money Masters, helps to summarize Buffett's outlook in his 1980 book: "Most of the time, most businesses are not worth what they are selling for, but on rare occasions the wonderful businesses are almost given away.

FORBES: Warren Buffett: Business Buyer

For his 2010 recommendation, Validea.com's John Reese relied on his guru strategies--computer models run based off 12 legendary investors, including Warren Buffett and Peter Lynch--to help uncover a stock that holds good potential regardless of what happens to the market in the short term.

FORBES: Guru Picks