Indian equity indices ended lower on December 9, 2025, with the Sensex falling 436 points or 0.51% and the Nifty closing below the 25,900 mark amid mixed sectoral trends. Gains in Nifty Consumer Durables and PSU Bank stocks failed to offset persistent pressure in IT and Auto counters. Broader markets showed resilience, with the Nifty Midcap 100 rising 0.32% and the Smallcap 100 gaining 1.14%.