Power stocks rose collectively in early tradingshootingarcadegame, Huaneng International (00902) rose 3shootingarcadegame.93%, reported 5shootingarcadegame.02 HKDshootingarcadegame; Huadian International (01071) rose 3.39% to HK$4.27; Datang Power Generation (00991) rose 2% to HK$1.53; and China Resources Power (00836) rose 1.24% to HK$19.62.