AMAG Pharmaceuticals Inc. (Nasdaq:AMAG), DryShips Inc. (Nasdaq:DRYS) and Acergy ADR (Nasdaq:ACGY) are among the most actively traded companies in Tuesday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Ciena Corp. (Nasdaq:CIEN), Zoran Corp. (Nasdaq:ZRAN), Ituran Location and Control Ltd. (Nasdaq:ITRN), inVentiv Health Inc. (Nasdaq:VTIV), Axsys Technologies Inc. (Nasdaq:AXYS) and Hiveld Steel Depository Receipt (Nasdaq:HSVLY).

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