U.S. stocks were split on Tuesday, with the Dow Jones Industrial Average rising 222 points, or 0.4%, to 54,198 while the S&P 500 slipped 0.03% to 7,750.84 and the Nasdaq Composite fell 0.35% to 26,513.18. Beneath those muted index moves, market breadth stayed firm: the Invesco S&P 500 Equal Weight ETF rose 0.31% even as the cap-weighted Vanguard S&P 500 ETF fell 0.12%, a reversal from July's pattern when a small group of mega-cap stocks carried the main benchmarks. Alphabet and Amazon, each down 2.2%, accounted for most of the Nasdaq's decline, while Caterpillar's 1.4% gain helped support the Dow and Honeywell International's 3.3% drop limited that advance. Oil added uncertainty after West Texas Intermediate crude briefly climbed above $83 a barrel and Brent rose above $90 before both retreated on signs the United States and Iran may be moving closer to an agreement, easing fears of a renewed inflation shock. Investors are now focused on Wednesday's July Consumer Price Index, with economists expecting headline inflation to cool slightly from June's 3.5% annual rate. A softer reading could help Treasury yields ease and support equities, while a hotter print could strengthen the case for tighter policy.