U.S. securities regulators are investigating hedge-fund firm Magnetar Capital, which bet on several mortgage-bond deals that wound up imploding during the financial crisis.
Learn more(Reuters) - Warren Buffett's Berkshire Hathaway Inc is boosting its bet on the newspaper industry, with a deal to buy the majority of Media General Inc's papers for $142 million in cash, making him one of the largest publishers in the United States.
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