The Indian stock market experienced a notable upswing on Tuesday, with the Sensex climbing 1,397.07 points to reach 78,583.81, while the Nifty increased by 378.20 points, closing at 23,739.25. Investor sentiment improved markedly, with 39 Nifty stocks registering gains against 12 decliners. Shriram Finance, Larsen & Toubro (LT), Bharat Electronics Limited (BEL), IndusInd Bank, and Adani Ports emerged as top contributors in the Nifty 50, contrasted by laggards such as Trent, ITC Hotels, Britannia, Hero MotoCorp, and Nestle India.