U.S. stock markets continued their upward momentum on Wednesday, with major indexes reaching fresh record highs as falling oil prices boosted investor confidence. 

The S&P 500 and Nasdaq Composite both closed at all-time highs, while the Dow Jones Industrial Average posted another strong gain.

Lower crude oil prices helped lift sectors that rely heavily on fuel costs, including airlines and cruise operators. Investors reacted positively to signs of easing tensions involving the United States and Iran, which raised hopes that global oil shipments through the Strait of Hormuz could continue without major disruptions. 

As energy prices declined, concerns about inflation also softened slightly, helping support broader market optimism.

Several major companies also reported stronger-than-expected earnings, adding to the positive mood on Wall Street. Retail and technology stocks performed particularly well, while companies tied closely to oil production moved lower as crude prices dropped. 

Meanwhile, AI-related companies continued attracting strong investor interest, with semiconductor and memory-chip firms seeing additional gains amid ongoing excitement surrounding artificial intelligence growth.