Top Thursday small-cap percentage gainers: Avici Systems Inc., AMCON Distributing Co., Core Molding Technologies Inc.
Avici Systems Inc. (Nasdaq: AVCI), AMCON Distributing Co. (AMEX: DIT) and Core Molding Technologies, Inc. (AMEX: CMT) were among the biggest percentage gainers in Thursday's trading among companies with market capitalizations under $500 million.
Here are today's biggest percentage gainers:
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| 12:21 et | Change | Change | Volume | Year High | Year Low |


















