Defense firms including Lockheed Martin LMT.N, Northrop Grumman Corp NOC.N and Raytheon Technologies RTX.N slid between 0.9% and 2.0% following the revolt in Russia. Last week, U.S. stocks sputtered after a recent rally, and the tech-heavy Nasdaq snapped its eight-week winning streak on Friday, after Fed Chair Jerome Powell signaled more interest rate hikes ahead. A slew of economic data including a key inflation gauge, durable goods and University of Michigan's consumer sentiment index is expected this week, as well as Powell's speech that could throw light on Fed's rate hike plans.