The S&P 500 climbed 0.8% above its record, the Dow 725 points and the Nasdaq 0.7%, led by Alphabet's 9.4% jump and gains for Caterpillar, Eli Lilly and Royal Caribbean.
Wall Street stayed firm despite volatile oil trading linked to the Iran war, with Brent swinging from $114.70 overnight to about $109 after briefly topping $126 in the June contract.
Meta and Microsoft fell as investors worried about rising AI spending, while Treasury yields eased and major central banks including the Fed, Bank of England, Bank of Japan and ECB kept rates unchanged.
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