 Bloomberg -- Warren Buffett has been snapping up even more Bank of America Corp. stock.The billionaires Berkshire Hathaway Inc. spent at least 1.7 billion buying shares of the bank in the last two weeks of July, building its stake to about 25 billion, based on the minimum purchase prices disclosed in regulatory filings. The holdings are Berkshires second-largest common stock bet, behind Apple Inc.Buffetts conglomerate piled even further into Bank of America stock after getting a green light earlier this year from the Federal Reserve. The purchases came after the shares slumped almost 30 this year. Theyre up 4.3 this month.Bank of America is very pleased with the long-term support from Buffett and Berkshire, the Charlotte, North Carolina-based company said in an emailed statement.Buffett, who has sought ways to deploy his record pile of funds into higher-returning assets, is only chipping away at his war chest with the Bank of America stock purchases. The 1.7 billion cost would account for just 1.2 of his 137 billion cash pile at the end of the first quarter.For more articles like this, please visit us at bloomberg.comSubscribe now to stay ahead with the most trusted business news source.2020 Bloomberg L.P. 