New Delhi, March 9 -- The Nifty 50 and the S&P BSE Sensex tumbled almost 3% at the open on Monday as investors rushed to cut risk and reassess the global fallout as the war in West Asia intensified. The Nifty 50 logged its biggest single-day fall since 7 April 2025.

The war stoked fresh concerns about tighter oil supplies and the risk of prolonged disruptions to shipments passing through the Strait of Hormuz, one of the world's most critical energy transit routes.

The Asian markets witnessed a selling rout. Japan's Nikkei 225 slumped 7%, Hong Kong's Hang Seng dropped 2.7%, the Taiwan Weighted tanked 5%, and South Korea's Kospi was over 8% down.

At 12 pm, the Indian indices had come off their lows. The Nifty 50 was at 23,878.15, down 2....