Posted in Web Stock Market Today: Dow, Nasdaq Close Lower; Oil Climbs as Tensions in … April 21, 2026 Live updates on markets and the top finance, economics and business stories. Plus the latest on oil prices, the Dow, S&P 500 and Nasdaq. https://www.wsj.com/livecoverage/stock-market-today-dow-sp-500-nasdaq-04-20-2026