Warren Buffett's Greatest Investments Coke and American Express have made him a bundle By Ashley Allen, Newser User Posted Jan 25, 2011 8:27 AM CST Promoted on Newser Jan 25, 2011 2:57 PM CST 0 comments Comments A 2007 file photo of Warren Buffett. (AP) (User Submitted) – Warren Buffett is one of the United States' greatest rags-to-riches stories. Once a whiz kid from Omaha, Buffett is now one of the world's wealthiest men. Here are some of the investments that got him there, from 24/7 WallSt. Coca-Cola: Buffett bought his first shares of Coke in 1988. By 1995, he owned 100,000 shares worth roughly $1.2 billion. As of September 2010, Buffett's unrealized gains were $10.4 billion. American Express: Following 1964's "salad oil scandal," American Express stock quickly lost 50% of its value. Buffet took this opportunity to invest $1.28 billion in the company. Those shares are now worth more than $5 billion. Gillette/Proctor & Gamble: Buffett first purchased shares of P&G in 1989, before it acquired the razor company. Since then, he has made $4.32 billion on the company. Click here to see the rest.