China Stocks Jump Most Since 2009 on Support Speculation

China’s stocks jumped the most since October 2009 on speculation state-backed institutions were buying shares as a manufacturing survey added to optimism the world’s second-largest economy will rebound.

The Shanghai Composite Index climbed 4.3 percent to 2,150.63 at the close, with trading volumes more the double the 30-day average. A gauge tracking financial companies surged 6.7 percent as brokerages jumped on signs the government will allow more funds to buy equities. Sany Heavy Industry Co. led a rally by industrial companies after a preliminary reading for a factory output index rose.