OSI Systems, First California Financial Group and NovaStar Financial lead small-cap percentage losers
OSI Systems, Inc. (Nasdaq: OSIS), First California Financial Group, Inc. (Nasdaq: FCAL) and NovaStar Financial Inc. (NYSE: NFI) are among the biggest percentage losers in Wednesday's trading among companies with market capitalizations under $500 million.
Here are today's biggest percentage gainers:
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| 2:21 et | Change | Change | Volume | Year High | Year Low |


















