On The Fly: After Hours Movers

UP AFTER EARNINGS: KB Home (KBH), up 1.5%. ALSO HIGHER: Histogenics (HSGX), up 34.9% after its NeoCart trials showed cartilage quality improvement... Applied Optoelectronics (AAOI), up 18.8% after it its preliminary fourth quarter results beat expectations... Century Aluminum (CENX), up 1.8% after Bloomberg reported that the U.S. was preparing to file a complaint with the World Trade Organization against China over aluminum... Callaway Golf (ELY), up 1.4% after it agreed to acquire OGIO International for $75.5M in cash... WWE (WWE), up 1.1% after the stock was initiated with a Buy at Guggenheim. LOWER: Kosmos (KOS), down 5.1% after it filed to sell 30M shares of common stock for holders.