Leading Tuesday small-cap percentage gainers: Gigabeam Corp., Republic Property Trust, Microvision Inc.
Gigabeam Corp. (Nasdaq:GGBM), Republic Property Trust (NYSE: RPB) and Microvision, Inc. (Nasdaq: MVIS) are among the biggest percentage gainers in Tuesday's trading among companies with market capitalizations under $500 million.
Here are today's biggest percentage gainers:
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| 12:44 et | Change | Change | Volume | Year High | Year Low |


















