US stock market big crash today: Why Dow, S&P 500, Nasdaq in deep red today? Oil, gas and gold prices surge — here are the defence and energy stocks gaining big

US stock market crash today erased over 500 Dow points as oil prices spiked 13% after US–Israel strikes on Iran. The Dow Jones fell 1.1%. The S&P 500 dropped 1%. The Nasdaq slid 1.1% in heavy selloff trading. Brent crude jumped above $82. WTI surged near $73.…