Dow, S&P 500 close at record on AI-linked earnings, Mideast deal hopes
By Chuck Mikolajczak and Johann M Cherian NEW YORK, Aug 4 (Reuters) - The S&P 500 and the Dow closed at record highs on Tuesday, powered by the latest batch of earnings from AI-related companies such as Caterpillar and Palantir that assuaged demand concerns, while crude prices and Treasury yields