Hong Kong's Hang Seng index extended gains on Friday, led by telecommunication and banking shares. Hang Seng index climbed 0.31% or 62.53 points and finished at 20,501.67. HSBC Holdings PLC added 0.9% and China Mobile Ltd. surged 1.99%. Banks showed better performance on hopes that year 2012 will be more successful for equity markets. On the downside property shares retreated after recent gains with China Overseas Land & Investment Ltd. declining 3.4% and Cheung Kong Holdings Ltd, falling 2.1%.