Mumbai, Sept. 1 -- The key equity indices ended marginally lower on Tuesday, extending their decline for the second consecutive session. Renewed Middle East tensions pushed crude oil and global bond yields higher, keeping investors cautious. The Nifty ended below the 24,100 mark as banking, financial services, auto and pharma stocks came under pressure. However, gains in IT and FMCG stocks helped limit the broader market's losses.

Crude oil remained the key macro concern after renewed US-Iran hostilities raised fears of prolonged supply disruptions through the Strait of Hormuz. The rise in global bond yields added to pressure on equities.

The S&P BSE Sensex declined 12.99 points or 0.02% to 76,944.28. The Nifty 50 index lost 24.60 point...