Traders of the Caribbean

[Traderzz]

Oshkosh Corp. (OSK:US) tumbled 16 percent to $34.27 after sinking as much as 19 percent, the most intraday since April 30. BAE Systems Plc (BA/ LN) and Navistar International Corp.’s (NAV:US) protests of the Army’s armored-vehicle production contract with Oshkosh, valued at as much as $3 billion, were upheld by the U.S. Government Accountability Office.