Budget-Day Blues: Sensex Logged Losses In Over Half Of Presentation Days Since 2014 by NDTV Profits | February 1, 2026 8:09 pm | Latest Posts, Market, Trending News Benchmark equity indices Sensex and Nifty tumbled nearly 2% on Sunday after Finance Minister Nirmala Sitharaman on Sunday proposed an increase in the Securities Transaction Tax (STT) on derivatives.