Investors are placing significant bets on increased defense spending.Shares of Kratos Defense & Security Solutions (KTOS +9.29%) jumped 45% this week, according to data from S&P Global Market Intelligence. The defense contractor focused on unmanned vehicles (drones) and advanced communication systems for combat is soaring due to a new contract win, increased proposals for defense spending in 2026, and the United States' operation in Venezuela. NASDAQ : KTOSKratos Defense & Security SolutionsToday's Change( ...