Wednesday pre-market volume leaders: Hoku Scientific Inc., Microvision Inc., Gigabeam Corp.
Hoku Scientific, Inc. (Nasdaq: HOKU), Microvision, Inc. (Nasdaq: MVIS) and Gigabeam Corp. (Nasdaq: GGBM) are among the most actively traded companies in Wednesday pre-market trading among those with market capitalizations under $500 million:
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