International Speedway Corp. (Nasdaq:ISCA), TAL International Group Inc. (Nasdaq:TAL) and Celadon Group Inc. (Nasdaq:CLDN) are among the biggest percentage losers in Tuesday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Penske Automotive Group Inc. (Nasdaq:PAG), Monroe Bancorp. (Nasdaq:MROE), Group 1 Automotive, Inc. (Nasdaq:GPI), Albany International Corp. (Nasdaq:AIN), Mercury Computer Systems Inc. (Nasdaq:MRCY) and America's Car-Mart Inc. (Nasdaq:CRMT).

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