Pre-market: Genoptix, China Finance Online and Solarfun Power Holdings lead small-cap volume
Genoptix, Inc. (Nasdaq: GXDX), China Finance Online Co. (Nasdaq: JRJC) and Solarfun Power Holdings Co., Ltd. (Nasdaq: SOLF) are among the most actively traded companies in Friday's pre-market trading among those with market capitalizations under $750 million:
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| 8:58 et | Change | Change | Volume | Year High | Year Low |


















