Power stocks collectively rose in early tradingalmightybuffalomegaways, China Resources Power (00836) rose 4almightybuffalomegaways.77%, at HK$20.85; Huadian International (01071) rose 3.87% to HK$4.29; Datang Power Generation (00991) rose 3.27% to HK$1.58; Huaneng International (00902) rose 3.09% to HK$5.01.