[power sector Hong Kong stock gains expand Huadian International Power rose nearly 11% to reach an 8-year high] FYF, May 29 (FYF)-- Hong Kong stocks in the power sector have expanded. As of press time, Huadian International Power (01071.HK) rose nearly 11 per cent to a nearly eight-year high, 00991.HK (00991.HK) rose 10 per cent, 00902.HK (Huaneng International Power) rose nearly 10 per cent and China Resources Power (00836.HK) rose nearly 6 per cent. In April, as the economy improved and electricity demand increased, power production continued to accelerate, driving the profit growth of the power industry by 45.3%, according to the National Bureau of Statistics.