<h1>Stock markets rebound on value buying and lower oil prices after Budget-driven volatility and a securities transaction tax hike.</h1> Stock markets rebounded after a Budget-day sell-off due to selective value buying in large-cap sectors and a sharp decline in global crude oil prices. The initial volatility was driven by a hike in securities transaction tax on equity derivatives and the government's higher borrowing plan, while Budget measures offering tax incentives for data centres and commitments to manufacturing, agriculture, tourism and infrastructure spending provided medium- to long-term policy support.