S&P 500
Relief Rally: S&P 500 Posts Best Day in Five Weeks as Geopolitical Tensions Ease
The U.S. stock market experienced a powerful broad-based rebound on Monday, March 16, 2026, as investors seized on signs of cooling geopolitical friction and a significant retreat in global energy prices. The S&P 500 surged by 1.2%, marking its strongest single-session performance in over a month,