Dick's Sporting Goods Inc (NYSE:DKS) stock is down 1% to trade at $221.27 today, shrugging off an upgrade from Citi to "buy" from "neutral" this morning.  The bull note comes following the sports retailer's completed acquisition of Foot Locker (FL) in a$2.4 billion deal. The analyst in coverage said the subsequent buying power will create a "category killer," and lifted its price target to $280. Looking at analyst ratings (not yet updated with today's adjustments), 15 of the 26 analysts in coverage rate th ...