Shares of U.S. defense firms surge premarket amid spike in Middle East turmoil
U.S.-Israel strikes in Iran over the weekend - and Iranian retaliation - sends shockwaves worldwide across sectors
Lockheed Martin LMT.N up 8.3%, RTX RTX.N rises 6.6% with thin volumes, while Kratos Defense KTOS.O advances 8.1%
Rising geopolitical risk typically supports defense stocks on stronger demand
S&P 500 Aerospace and Defense .SPLRCAERO index up 13.2% YTD as tensions between the U.S. and Iran remained on the brink amid a standoff in nuclear talks