Big call buyer is back in BofA (BAC) Wednesday. Shares have added 25 cents to $7.38 and a 62500-contract block of Apr 8 calls is bought on the bank for 37 cents. The trade is tied to 2.3 million shares at $7.40 and likely adds to positions opened yesterday, when 62,500 were bought for 28 cents per contract (see 1/31 color).