Warren Buffett bets another $522 million on Bank of America, boosting his stake to nearly 12%

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· *Warren Buffett spent $522 million on Bank of America stock in three days this week, SEC filings show.*
· *The billionaire investor and Berkshire Hathaway boss has now plowed about $1.7 billion into the bank in less than two weeks, boosting his stake to more than 1 billion shares or 11.8%.*
· *Buffett was panned for...