The benchmark domestic equity indices witnessed a significant downturn today, with both the Sensex and Nifty ending in negative territory. The Sensex plunged by 1,414.33 points, or 1.90 percent, to settle at 73,198.10. The Nifty tumbled 420.35 points, or 1.86 percent, to 22,124.70. The domestic stock market has experienced a significant correction, with the Sensex losing 16% and the Nifty declining 18% since their peak levels in September last year.