Comtech Telecommunications Corp. (Nasdaq:CMTL), AeroVironment Inc. (Nasdaq:AVAV) and United States Lime & Minerals Inc. (Nasdaq:USLM) are among the biggest percentage losers in Tuesday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Silver Standard Resources Inc. (Nasdaq:SSRI), Minefinders Corp Ltd. (Nasdaq:MFN), Michael Baker Corp. (Nasdaq:BKR), Isramco Inc. (Nasdaq:ISRL), DrdGold ADR (Nasdaq:DROOY) and Axsys Technologies Inc. (Nasdaq:AXYS).

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