Nifty Down Over 1%, Sensex Slumps 950 Points — Three Reasons Why Markets Are Crashing Today by NDTV Profits | May 18, 2026 10:45 am | Latest Posts, Market, Trending News The broader market is also facing pressure with the Nifty Smallcap 250 falling almost 1.5%, and the Nifty Midcap 150 dropping about 1.09%.