An investor smiles in front of an electronic board showing stock information at a brokerage house in Tianjin municipality April 24, 2008. China`s main stock index soared over 9 percent in frenzied trade on Thursday after the government cut the share trading tax, seeking to boost investors` confidence. [Agencies]

A man gestures in front of an electronic board showing stock information at a brokerage house in Nanjing, Jiangsu province April 24, 2008. China`s main stock index soared over 9 percent in frenzied trade on Thursday after the government cut the share trading tax, seeking to boost investors` confidence. [Agencies]

A man gestures in front of an electronic board showing stock information at a brokerage house in Hefei, Anhui province April 24, 2008. China`s main stock index soared over 9 percent in frenzied trade on Thursday after the government cut the share trading tax, seeking to boost investors` confidence. [Agencies]