Warren Buffett just plowed $800 million into Bank of America, boosting his stake to over 11%

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· *Warren Buffett shelled out more than $800 million on Bank of America stock this week.*
· *The billionaire investor and Berkshire Hathaway boss bought nearly 34 million shares, lifting his stake in the bank to about 11.3%, SEC filings show.*
· *Bank of America's stock is down 32% this year, suggesting Buffett decided...