Sensex and Nifty recorded sizeable jumps on Monday as they opened after the announcement of the US-Iran peace deal. Sensex helped investors earn ₹8,25,668 crore in an instant as it opened 1,200 points higher at 76,725.27 points. Nifty opened nearly 400 points higher at 23,984.85, with Shriram Finance, Bajaj Finance, UltraTech Cement, IndiGo and Tata Motors PV being top gainers.