BSE Sensex fell 238.41 points to close at 77,470.11 on July 21, 2026.
NSE Nifty 50 declined 50.80 points, ending below the 24,200 support level.
Banking and IT sectors, led by HDFC Bank and Infosys, faced heavy selling.
Market sentiment remains cautious, with analysts monitoring support levels for potential rebound clues.