Pre-market: Hoku Scientific, Yucheng Technologies and China Technology Development Group lead small-cap volume
Hoku Scientific, Inc. (Nasdaq: HOKU), Yucheng Technologies Ltd. (Nasdaq: YTEC) and China Technology Development Group Corp. (Nasdaq: CTDC) are the most actively traded companies in Tuesday pre-market trading among those with market capitalizations under $750 million:
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| 9:07 et | Change | Change | Volume | Year High | Year Low |


















