New Delhi, Aug. 18 -- The Indian stock market surged on Monday, August 18, driven by easing global headwinds and domestic policy optimism. Investors cheered hopes of a possible resolution to the Russia-Ukraine conflict, indications from US President Donald Trump about reconsidering secondary tariffs on India, and S&P's upgrade of India's sovereign credit rating.

The Sensex jumped over 1,100 points to touch an intraday high of 81,765.77, while the Nifty 50 rallied to 25,022, reflecting broad-based buying interest.

"Dalal Street is cheering a string of positive developments after the weekend. The government's proposal to overhaul the GST structure into a simpler two-slab system of 5% and 18% has been the key driver of today's rally, parti...