Zhongshan-based Ming Yang was notified by NYSE about “significant and unusual trading activity” in its stock price and volume, after its shares rose as high as $2.08 on Thursday from an opening price of $1.44, before eventually falling back to $1.65 at the end of the day.

Ming Yang says it is unaware of any specific reason, beyond reports of China’s recently-announced plans to increase installed wind power capacity by 18GW in 2013.

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