Mumbai, Feb. 11 -- The key equity benchmarks witnessed selling pressure and traded with deep cuts in afternoon trade following US President Donald Trump's announcement of 25% tariffs on steel and aluminum imports. The Nifty tumbled below the 23,100 level. Sensex slipped 1,000 pts.

All the sectoral indices on the NSE traded in red.

At 13:25 IST, the barometer index, the S&P BSE Sensex, tumbled 1,002.87 points or 1.30% to 76,312.41. The Nifty 50 index dropped 313.85 points or 1.34% to 23,067.75.

The broader market underperformed the frontline indices. The S&P BSE Mid-Cap index fell 3.12%, and the S&P BSE Small-Cap index skid 3.53%.

The market breadth was weak. On the BSE, 502 shares rose and 3,404 shares fell. A total of 110 shares were...