Davydenko was making his second successive appearance in the final, having lost to Novak Djokovic in Shanghai last year, and the Russian was full of confidence after finally beating Federer at the 13th attempt in the semi-finals.

BBC: Nikolay Davydenko takes ATP World Tour title in London

Bank of China lost 1.7% in Shanghai.

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He promptly celebrated with his trademark victory dance, having improved on his 2008 debut in Shanghai when he lost twice but beat Djokovic.

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China's Shanghai Composite Index lost 22% in 2011 as tighter government curbs on lending and investment cooled the country's rapid economic growth.

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In Shanghai, China Eastern Airlines fell 3.3%, Air China lost 3.2% and China Southern Airlines dropped 4.5%.

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