Sept. 9 (Bloomberg) -- Shares of the following companies may have unusual moves in China trading. Stock symbols are in parentheses and prices are as of the previous close, unless stated otherwise.

The Shanghai Composite Index, which tracks the bigger of China's stock exchanges, dropped 17.15 points, or 0.7 percent, to 2,498.94. The CSI 300 Index fell 0.8 percent to 2,756.10.

Aluminum Corporation of China Ltd. (601600 CH): The nation's biggest producer of the metal said its Hong Kong unit plans to sell as much as $1.2 billion worth of bonds with a maturity of not more than 10 years. The stock fell 1 percent to 8.85 yuan.

Huaneng Power International Inc. (600011 CH): Parent China Huaneng Group Corp. plans to invest 3 billion yuan ($470 million) to build six wind farms in the northeastern province of Heilongjiang, the Daqinge municipal government said on its website. Huaneng Power, the listed unit of China's largest power group, fell 0.2 percent to 4.40 yuan.

Zhongtian Urban Development Group Co. (000540 CH): The property developer said Executive President Zhou Li resigned on Sept. 5 because of health reasons. The stock fell 1.4 percent to 9.34 yuan.

--Zhang Shidong, Zhang Dingmin. Editors: Glenn J. Kalinoski, Richard Richtmyer

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