Relative strength and bullish trading in Ann Taylor (ANN). Shares saw a spike on increasing volume about 25 minutes ago and are now up 48 cents to $26.30. The top trade is a block of 1378 Jan 28 calls at $1.30 on ISE and an opening customer buyer, according to ISEE data. 5,550 now traded. Implied vols up 2 percent to 51. No headlines on the stock. Looks like speculative call buying in the retailer.