Mumbai, Aug. 27 -- Key benchmark indices extended their losses for the second consecutive session on Thursday, with the Nifty closing below the crucial 24,100 mark as selling in heavyweight stocks dragged the benchmarks lower. Domestic sentiment was weighed down by profit booking, monthly Sensex expiry and concerns around elevated US inflation and geopolitical tensions. Oil prices eased on hopes of progress in talks that could reduce supply disruptions around the Strait of Hormuz, offering some relief, while foreign and domestic institutional investors remained net buyers on August 26. Sectorally, gains in consumer durables and pharma were offset by losses in metals and PSU banks.

The S&P BSE Sensex declined 539.35 points or 0.70% to 76,...