In what can be considered a surprise move, Warren Buffett’s Berkshire Hathaway (NYSE: BRK.A) has significantly reduced its stake in a stock it has rarely touched in recent years.According to regulatory filings, the conglomerate sold 33.9 million shares of Bank of America (NYSE: BAC) over three days for nearly $1.5 billion at an average price of $43.56 per share. Berkshire Hathaway SEC filing for BAC stock sale. Source: SECDespite this substantial sale, Bank of America remains Berkshire Hathaway’s second-lar ...