Shares of the following companies may have unusual moves in China trading. Stock symbols are in parentheses and prices are from the previous close, unless otherwise stated.

The Shanghai Composite Index, which tracks the bigger of China’s stock exchanges, gained 9.73, or 0.4 percent, to 2,820.17. The CSI 300 Index (SHSZ300) also rose 0.4 percent to 3,128.89.

Beiqi Foton Motor Co. (600166 CH): China’s biggest commercial-vehicle maker said it agreed to sell 80 hybrid passenger vehicles to two companies in Changsha to use for public transport. The stock closed unchanged at 9.09 yuan.

Datang International Power Generation Co. (601991 CH): The unit of China’s second-biggest electricity producer said first- half power generation increased 19 percent to 96.2 billion kilowatt-hours from a year earlier. The shares closed unchanged at 5.64 yuan.

Guangzhou Zhujiang Brewery Co. (002461 CH): The Chinese brewer said its net income in the first half climbed 9.4 percent from a year earlier to 59 million yuan, citing unaudited figures. The stock advanced 1.3 percent to 17.83 yuan.

PetroChina Co. (601857 CH): The company’s parent group, China National Petroleum Corp., said it extinguished a fire that broke out at its refinery in the Chinese coastal city of Dalian. CNPC stopped the blaze, which started at 2:25 p.m. local time on July 16, without causing any environmental pollution, according to a statement on the company’s website. The fire started after a leak from one of the plant’s installations, CNPC said. PetroChina Co. fell 0.3 percent to 10.76 yuan.

--Zhang Shidong, Helen Yuan. Editor: Richard Frost

To contact Bloomberg News staff for this story: Zhang Shidong in Shanghai at +86-21-6104-3040 or szhang5@bloomberg.net