US Stocks Hit Records as Profits Soar and Oil Prices Ease

What happened

U.S. stock markets rallied to record highs on Tuesday, August 4, 2026, driven by strong corporate earnings and easing inflation concerns that pushed oil prices lower. The rally was broad-based across major indices and technology-heavy sectors, with investors responding positively to a combination of fundamental strength and macroeconomic tailwinds.

Market Performance: - S&P 500 gained 1.8%, adding 136.02 points to close at 7,736.52 - Dow Jones Industrial Average rose 1.7%, climbing 907 points (907.47) to reach 54,085.88 - Nasdaq composite surged 2.6%

Key Stock Movers: Technology and industrial stocks led the gains: - Palantir Technologies (PLTR) jumped 29.5%, with revenue growth of 93% - Caterpillar (CAT) advanced 5.6%, with quarterly sales/revenue exceeding $20 billion for the first time - Nvidia (NVDA) gained 2.6% - Broadcom (AVGO) rose 6.6% - Micron Technology (MU) climbed 7.6%

Oil Market: Brent crude dropped 5.3% to $79.36 per barrel amid easing inflation concerns, providing a tailwind for industrial and energy-sensitive sectors.

Fixed Income: The 10-year Treasury yield declined from 4.75% at the end of last week to 4.62% Monday close (4.70% Tuesday), reflecting lower borrowing costs and reduced inflation expectations.

Why it matters

The rally reflects a confluence of positive factors: strong corporate earnings, particularly in technology and industrial sectors; easing oil prices reducing input cost pressures; and declining Treasury yields lowering the discount rate for future cash flows.

Palantir's standout performance (29.5% gain) underscores investor enthusiasm for data analytics and artificial intelligence applications, with revenue growth of 93% signaling accelerating adoption across enterprise customers. Caterpillar's milestone achievement—quarterly sales exceeding $20 billion—highlights robust demand in industrial equipment despite broader economic headwinds.

The oil price decline to $79.36 per barrel (5.3% drop) provides relief for consumers and businesses facing energy costs, while also supporting equity valuations in sectors sensitive to commodity prices. The 10-year Treasury yield's move lower from 4.75% to 4.62% reduces the opportunity cost of holding equities and supports riskier assets.

The international backdrop adds context: South Korea's Kospi experienced volatility, dropping 5.1% over prior two days before surging 17.9%, reflecting regional economic uncertainty that contrasts with U.S. market strength. The U.S. job market remains a key backdrop, with 7.4 million job openings at end of June suggesting continued labor strength even as markets price in economic moderation.

The chip sector's performance—Nvidia up 2.6%, Broadcom up 6.6%, Micron up 7.6%—suggests continued investor confidence in semiconductor fundamentals, though Chipotle Mexican Group stock dropped 9.7%, indicating sector rotation away from consumer discretionary names.

What to watch

Investors should monitor: - Whether Palantir can sustain its revenue growth trajectory amid high valuation expectations - Caterpillar's ability to maintain quarterly sales above $20 billion in subsequent quarters - Oil price stability around $79.36 per barrel and whether the 5.3% decline holds - Treasury yield direction, particularly if yields test higher levels that could dampen equity valuations - Whether the rally extends beyond technology and industrial sectors to broader market participation

The international geopolitical backdrop—particularly tensions involving Iran and U.S.-China relations—remains a key risk factor for oil prices and global growth. The dollar's performance against other currencies, including the yen, will also influence import costs and inflation expectations.

By the numbers

Source snapshot

Sources: - AP News, by Stan Choe: https://apnews.com/article/stocks-markets-dollar-yen-trump-iran-war-fbbe6128d618509e33d45a493c2615b1

Article updated 5:00 PM EDT, August 4, 2026