Why Kratos Defense Stock Popped, Then Dropped

After slumping with the rest of the stock market Friday, Kratos Defense & Security (NASDAQ: KTOS) stock finally jumped 3.3% Monday morning (through 10:20 a.m. ET) in response to Friday's news: Kratos is collaborating with Airbus (OTC: EADSY) to develop a collaborative combat aircraft -- a near-full-sized, uncrewed fighter jet -- for the Luftwaffe. That's the good news. The bad news is that soon after the jump, Kratos stock gave back almost all its gains. As of 11:20 a.m. ET, the stock is now up just 0.2% ...