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Solar Winners: SunPower

U.S. solar company SunPower surges in trading, but it's still down 40% year-to-date.



) -- Shares of U.S. solar power company



are experiencing one of their best trading runs of 2010 on Thursday, up more than 8% at midday, with daily trading volume already reached by the midday mark.

SunPower announced on Thursday morning a 10 megawatt solar project in Delaware, not the type of news on its own to move shares up by close to a double-digit percentage gain. However, SunPower shares remain down more than 40% year-to-date.

Other solar stocks have rallied considerably in recent months, but SunPower couldn't hold gains from August. SunPower shares rallied above the $13 mark on August 9, but didn't return to that share value until Thursday's trading.

Other solar stocks, by contrast, like China's

JA Solar


, have been continually hitting new 52-week highs in recent trading sessions.

--Written by Eric Rosenbaum in New York.

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