HONG KONG (AFX-ASIA) – Huaneng Power International Inc (902.HK) was higher last week and outperforming a firm broader market after reporting a 41.87% rise in its first quarter net profit to 1.127 billion yuan, dealers said. (US$1=8.28 yuan). Under Chinese accounting standards, the company’s core revenue rose to 5.17 billion yuan from 3.853 billion, due…