February 14, 2013 (Chinavestor) Warren Buffet backed BYD Company (HKG:1211) rose 3.6%, the most among components of the Hang Seng Index (INDEXHANGSENG:.HSI) on Thursday. Hong Kong's main gauge was shut for day in observance of the Chinese New Year celebrations. Shanghai remains closed until Monday, February 18. Huaneng Power (HKG:0902), the largest Chinese independent power producer, rose 2.5%, the most among Hong Kong - NYSE cross-listed blue chips. China's energy giant had its best year in 2012 in ten years as value investors snapped up assets of this long neglected power generator.