Benzinga's Volume Movers
Arbitron (NYSE: ARB) shares moved up 23.61% to $47.02 at 10:40 am. The volume of Arbitron shares traded was 37185% higher than normal. Nielsen Holdings NV (NYSE: NLSN) announced its plans to buy Arbitron for $1.26 billion.
American Railcar Industries (NASDAQ: ARII) shares climbed 5.34% to $33.94. The volume of American Railcar shares traded was 609% higher than normal. American Railcar offered to buy Greenbrier Companies (NYSE: GBX) for $542.9 million.
Tronox (NYSE: TROX) shares gained 8.75% to $18.89. The volume of Tronox shares traded was 357% higher than normal. Tronox's 52-week trading range is $ 14.12-$175.00.
Carnival plc (NYSE: CUK) shares rose 1.64% to $40.93. The volume of Carnival shares traded was 327% higher than normal. Carnival scheduled a conference call on Q4 earnings for December 20, 2012.
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