U.S. stocks extended their record-setting run Tuesday morning, with the Dow Jones Industrial Average climbing to 53,832.40 by 9:33 a.m. Eastern time, building on Monday's record close as strong corporate earnings and easing Middle East tensions continued to lift Wall Street.

The blue-chip index's move higher followed a powerful session Monday, when the Dow surged 693.38 points, or 1.32%, to close at a record 53,178.41. Tuesday's early gains pushed the index roughly 650 points beyond that closing level, marking a fourth consecutive day of gains for the broader market as the S&P 500 also topped its June closing record.

Earnings drive the morning rally

A wave of strong corporate results helped power Tuesday's advance. Caterpillar, the Dow's second-largest component by weight and a major industrial beneficiary of the broader artificial-intelligence infrastructure buildout, jumped as much as 11.69% in early trading after the company reported sales and revenue that topped $20 billion for the first time in its history.

Palantir Technologies delivered one of the morning's most striking moves, with shares surging nearly 18.5% after the AI software company posted what its chief executive, Alex Karp, described as an "otherworldly" quarter and raised its full-year outlook. The company's commercial revenue from the U.S. government surged 90% year over year in the second quarter, reinforcing investor confidence that demand for artificial-intelligence........

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