Stock market today, Sept. 28 -- Indian stock markets tumbled on Monday as surging crude oil prices, geopolitical uncertainty, and weak global cues weighed heavily on investor sentiment. The 30-share BSE Sensex plunged 1,124.02 points, or 1.52%, to 72,771.72, marking its lowest closing level since 30 March 2026. During the session, the index fell as much as 1,179.51 points, or 1.59%, to 72,716.23.

The 50-share NSE Nifty also declined sharply, falling 360.25 points, or 1.56%, to 22,780.25, its lowest closing level in nearly six months. The breadth of the sell-off was weak, with 47 of the 50 Nifty constituents ending in the red, while only 3 stocks closed higher.

Analysts attributed the broad-based selling to rising crude oil prices follow...