Warren Buffett pumps another $400 million into Bank of America, boosting his stock purchases to $1.2 billion in 8 days

· *Warren Buffett has bought nearly $400 million worth of Bank of America stock in the past few days, SEC filings show.*
· *The billionaire investor and Berkshire Hathaway boss snapped up about 16.4 million shares, raising his stake in the banking behemoth to 998 million shares or 11.5% of the total outstanding stock.*
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