Stock market today, July 21 -- Indian benchmark indices, the Sensex and Nifty 50, closed in the red on Monday, July 20, mirroring weak global sentiment amid escalating tensions between the United States and Iran.

The Sensex fell 443 points, or 0.57%, to settle at 77,708.52, while the Nifty 50 lost 96 points, or 0.39%, ending the session at 24,238.50. Broader markets outperformed the headline indices. The Nifty Midcap 100 advanced 0.60%, while the Nifty Smallcap 100 gained 0.16%.

However, the market is likely to open lower as trends in the Gift Nifty index signalled a negative start on Tuesday, 21 July. Gift Nifty was trading near the 24,154 mark, down over 105 points from the previous close of Nifty futures.

"Indian equity markets are ...