Goldman Sachs soured on coal companies as an investment Friday, but that doesn't mean there isn't money to be made off the stuff.
Just ask Warren Buffett.
Goldman cut its ratings on producers such as Arch Coal, Peabody Energy and Consol Energy, arguing that there shares have reached high trading multiples that fail to account for additional supplies coming to market. See related item.t the same time, new disclosures reveal Buffett's Berkshire Hathaway accumulated an additional 6.75% stake in Burlington Northern Santa Fe last year, to bring its holdings in the freight-rail operator to nearly 61 million shares. See full story....MORE