New Delhi, June 16 -- Indian stock market benchmark indices, Sensex and Nifty 50, extended their gains for the third consecutive trading session on Tuesday, supported by improving global risk sentiment following the announcement of a US-Iran peace deal and a sharp decline in crude oil prices.

The benchmark Nifty 50 has rallied over 800 points, or 3.5%, in the last three sessions and is currently trading near the 23,950 mark. The uptrend has been driven by broad-based buying across sectors, while investors await the formal signing of the final agreement aimed at ending the conflict in the Gulf region.

Despite the recent gains, the Nifty 50 has struggled to decisively breach the crucial 24,000 level. The index touched an intraday high of ...