Mumbai, Feb. 5 -- The key equity benchmarks ended with significant losses today, snapping a three-day rally as investors booked profit at elevated levels. The broader market also mirrored weak trends to trade under pressure.

The Nifty settled below the 25,650 mark. Barring PSU bank stocks, all other sectoral indices on the NSE ended in the red.

As per provisional closing data, the S&P BSE Sensex, slumped 503.76 points or 0.60% to 83,313.93. The Nifty 50 index fell 133.20 points or 0.52% to 25,642.80. Over the past three consecutive trading sessions, the Sensex advanced 3.20%, while the Nifty gained 3.29%.

In the broader market, the BSE 150 MidCap Index fell 0.43% and the BSE 250 SmallCap Index tanked 0.81%.

The market breadth was neg...