HDFC Bank's Results Gap-Down: Bank Nifty -2,000
HDFC Bank's Q3 results triggered a brutal reaction: Bank Nifty gapped down 1,500 points and closed about 2,000 points lower on result day. It began six weeks of fragility in which Bank Nifty repeatedly fell 1,000+ points intraday.
One heavyweight's earnings made the whole market fragile for months — the modern counterpart to Reliance's export-tax day in 2022, and the clearest single-stock concentration-risk story of the era.