Shares of Abercrombie & Fitch Co. sank 5.8% in premarket commerce Thursday, after Wedbush turned bearish on the attire retailer, citing issues that promotions could also be growing. Analyst Jen Redding lowered her score to underperform, after being at impartial for not less than the previous 12 months. She saved her inventory value goal at $23, which is 21% under Wednesday’s closing value. “Whereas our proprietary Massive Information mannequin exhibits power in SSS [same-store sales], merchandise margins are displaying an uptick in promotions–likely driving above-plan SSS,” Redding wrote in a word to shoppers. Redding additionally downgraded Zumiez Inc. to underperform from impartial, sending the retailer’s inventory down 4.4% forward of the open. Elsewhere, Nordstrom Inc. shares shed 2.5% and American Eagle Outfitters Inc.’s inventory dropped 3.8% after Redding reduce her rankings on each retailers to impartial from outperform….