U.S. stocks ended higher on Tuesday, with the S&P 500 and Nasdaq reaching record closing highs as easing Treasury yields and steadier crude prices gave investors greater room to focus on corporate earnings. The shift comes as markets move toward the third-quarter reporting season, with company guidance and results increasingly important for determining whether elevated equity valuations can be sustained.

Lower Yields Help Extend the Equity Rally

The broad market advanced during the session, with the Dow rising 0.49%, the S&P 500 gaining 0.58% and the Nasdaq increasing 0.45%. The move pushed both the S&P 500 and Nasdaq to all-time closing highs, extending the recent strength in U.S. equities.

Easing Treasury yields provided an important source of support. Lower bond yields can improve financial conditions for equities by reducing pressure on valuation multiples, particularly for growth-oriented companies whose expected cash flows are more sensitive to interest-rate changes. The retreat in yields also allowed investors to shift some attention away from recent concerns surrounding borrowing costs and toward company-specific developments.

The Dow, however, remains just over 5% below its record closing level reached on August 5, highlighting the continued divergence between the technology-heavy Nasdaq and more traditional areas of the U.S. equity market.

Corporate Earnings Become the Next Market Test

With major indexes at record levels, investors are increasingly focused on whether corporate earnings can support the market’s current valuation. The approaching third-quarter reporting season will provide fresh information on revenue growth, margins, capital spending and management expectations for the remainder of the year.

Several individual companies provided early signals during Tuesday’s session. AMD gained attention after its chief executive said the company plans to substantially increase supply in 2027, reinforcing expectations for continued demand across advanced computing and artificial intelligence infrastructure.

AI and Power Demand Remain Key Market Themes

Constellation Energy shares jumped after the company entered a power agreement with Google, highlighting the growing connection between artificial intelligence and electricity demand. As technology companies expand data-center capacity, access to reliable power is becoming an increasingly important component of the broader AI investment cycle.

Marvell also gained after raising its 2028 revenue forecast, adding to the positive technology-sector sentiment. Such company-specific developments are becoming increasingly relevant as investors assess whether the AI investment cycle is translating into sustainable revenue opportunities throughout the technology supply chain.

Trade Data Adds a Broader Economic Signal

Outside corporate earnings, U.S. trade data showed the trade deficit widened 13.7%, with imports reaching a record high. The figures provide another indication of the underlying strength of U.S. demand, although the implications for growth, inflation and future monetary policy will depend on how trade flows evolve.

For global investors, the next phase of the U.S. equity rally will depend increasingly on the interaction between earnings growth, Treasury yields and corporate guidance. Record index levels leave less room for disappointing results, making the upcoming reporting season particularly important. Strong earnings and resilient forecasts could reinforce the rally, while weaker margins or cautious guidance could challenge current valuations and shift attention back toward monetary policy and economic data.