BEIJING, Feb. 9 (Xinhua) -- Chinese stocks closed higher on Thursday, with the benchmark Shanghai Composite Index up 0.51 percent at 3,183.18 points.
The Shenzhen Component Index closed 0.52 percent higher at 10,182.73 points. The ChiNext Index, China's NASDAQ-style enterprises, rose 0.55 percent to close at 1,914.08 points.
Turnover expanded to 458.6 billion yuan (about 66.5 billion U.S. dollars) from 386.46 billion yuan the previous trading day.
China's securities regulator said Wednesday that it would continue support for energy saving and environmentally friendly firms that conformed with the nation's industrial development policies to launch IPOs and grow through effective use of the capital market.
China Securities Regulatory Commission said strategic emerging industries, including energy saving and environmental protection, were important in structural reform.
To protect the environment, Chinese central authorities Tuesday issued guidelines on "red lines" that declare certain regions off-limits to polluting industries -- all such regions must be decided on before 2020.
The encouraging news saw environmental protection-related sectors record big gains on the two bourses Thursday.
Yonker Environmental Protection surged by the daily limit of 10 percent to end the day at 12.71 yuan per share.
Central Plains Environment Protection jumped 4.26 percent to close at 19.82 yuan per share.