Domestic equity benchmarks traded sharply lower on Monday, declining around 2 per cent each amid weak global cues after the US and Iran failed to make progress on peace talks. Sensex plunged as much as 2.16 per cent or 1,675 points to 75,874.85, hitting an intraday low in early trade, while Nifty traded at 23,555, down around 500 points or 2.05 per cent.