Today's Biggest Losers  Bank of America Corp $BAC » 22.19 1.546.49% JPMorgan Chase and Co. $JPM » 90.79 4.714.93% Mastercard Incorporated Class A $MA » 257.14 13.585.02% Rankings chart decreasing chart decreasing 1st place medal downwards button black small square 2nd place medal downwards button black small square 3rd place medal downwards button black small square right arrow