US Airways Group Inc. (Nasdaq:LCC), Central Jersey Bancorp (Nasdaq:CJBK) and Insight Enterprises Inc. (Nasdaq:NSIT) are among the biggest percentage losers in Tuesday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Rubicon Technology Inc. (Nasdaq:RBCN), Big 5 Sporting Goods Corp. (Nasdaq:BGFV), InterOil Corp. (Nasdaq:IOC), Palm Inc. (Nasdaq:PALM), Switch & Data Facilities Co Inc. (Nasdaq:SDXC) and Super Micro Computer Inc. (Nasdaq:SMCI).

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