Hang Seng Index rises, Tencent surpasses HK$500 mark

index hkThe Hang Seng Composite Index is a market-cap wehted index that covers about 95% of the total market capitalisation of companies listed on the Main Board of the Hong Kong StockIn the financial markets , the Hang Seng Index opened with a gain of 123 points or 0.53%, reaching 23,281 points. The state-owned enterprise index also saw an increase of