Shares of DynCorp International (DCP: 16.05, +2.14, +15.4%) rocketed up 15% Monday after the government contractor wrested a lucrative translation and interpreting contract away from competitor L-3 Communications (LLL: 79.00, -4.72, -5.6%). The stock gained as much as 21% earlier in the session. The Falls Church, Va., company announced Monday that Global Linguistic Solutions, a joint venture formed by DynCorp International and privately held McNeil Technologies, won a $4.6 billion, five-year contract from the Department of Defense to provide language services to the U.S. Army and other U.S. government agencies fighting in Iraq. The contract calls for 6,000 local Arabic...