India's stock market, represented by the Sensex and Nifty, experienced a significant fall after reaching a milestone as the fourth largest stock market in the world. The Sensex dropped by over 1,000 points, while the Nifty declined by 1.5%. This sell-off was more pronounced in the mid and smallcap indices, which slipped by around 3%. Investors on Dalal Street lost approximately Rs 8 lakh crore in market capitalization. The decline was led by banks, oil and gas stocks, FMCG, and metals, while pharma stocks saw some buying. HDFC Bank and RIL were major contributors to the market loss.