In the midst of the go-go stock market of the 1960s, Buffett used an investment partnership he ran to buy what was then a failing New England textile company named Berkshire Hathaway. Today, his company is unrecognizable from what it once was, with businesses ranging from Geico insurance to BNSF Railway, an equity portfolio worth more than $300 billion and a monstrous $277 billion cash fortress.
