S&P 500 climbs 1.45% as narrow AI-driven surge highlights weak market breadth

S&P 500 climbs 1.45% as narrow AI-driven surge highlights weak market breadth

NEW YORK, July 30, 2026, 16:03 EDT — The closing bell marked the end of U.S. cash trading.

  • The S&P 500 rose 1.45% and the Nasdaq climbed 2.53%.
  • Shares of Microsoft jumped 17%, contributing roughly 54% of the S&P’s overall increase.
  • Declining stocks on the S&P outpaced those rising by a ratio of two to one. Long-dated Treasury yields stayed close to their highest levels in several years.

U.S. equities ended with strong gains on Thursday, boosted by a 17% jump in Microsoft shares. The S&P 500 advanced 1.45%, and the Nasdaq climbed 2.53%.

Stock chart for INDEXSP:.INX

The index appeared robust, but underlying figures told a different story. In the S&P 500, decliners led advancers by a two-to-one margin. Investor focus remained fixed on concentration during the session.

IndexThursday closeThursdayWednesdayTwo-day return
S&P 5007,421.97up 1.45%down 1.52%off 0.09%
Nasdaq Composite25,060.99gained 2.53%fell 1.74%advanced 0.75%
Dow Jones Industrial Average52,122.78rose 1.02%dropped 2.19%lost 1.19%

Returns over two days are compounded from the movements on Wednesday and Thursday.

Thursday’s recovery offset much of the broad decline seen on Wednesday. Over the two sessions, only the Nasdaq closed in positive territory. The Dow was still down 1.19%.

An initial calculation by weight illustrates the point. Microsoft accounted for approximately 0.78 percentage points, representing 54% of the S&P’s rise. Meta Platforms took away about 0.18 point.

CompanyS&P weight prior to ThursdayStock movementProjected S&P effect
Microsoft 4.61%+17%+0.78 percentage point
Meta Platforms 2.05%-9%-0.18 percentage point
Combined6.66%+0.60 percentage point

Initial calculations apply July 29 SPDR S&P 500 ETF Trust portfolio weights to Thursday’s changes in share prices. These figures do not account for intraday rebalancing or rounding adjustments.

Microsoft posted Azure growth of 43%, surpassing the analyst forecast of 39.98%. The company projected 45% constant-currency growth for this quarter, while analysts anticipated 40.92%.

Free cash flow totaled $19.6 billion on revenue of $90 billion. The figure beat the consensus estimate of $13.44 billion, even with significant infrastructure investments. Microsoft projected roughly $50 billion in capital expenditures for the current quarter.

Jed Ellerbroek, portfolio manager at Argent Capital, stated that Microsoft has the potential to shift from being part of an AI “battleground” to joining the ranks of “trusted AI winner.” The company’s stock posted its largest single-day increase in 18 years. Reuters

Meta showed a contrasting trend in cash flow. Revenue climbed 28% to $60.80 billion, while expenses surged by 55%. Free cash flow declined to $784 million.

Latest reported quarterRevenueFree cash flowFCF as percentage of revenueShare move
Microsoft $90.00 billion$19.60 billion21.8%+17%
Meta Platforms $60.80 billion$0.78 billion1.3%-9%

Initial cash-flow ratios are based on disclosed revenue and free cash flow. Fiscal year schedules vary among the companies.

The divergence indicates investors remain in favour of substantial AI investments, but are also insisting on clear cash generation as a result. Meta reported quarterly capital expenditure of $31.08 billion.

The recovery extended to semiconductor stocks. Shares of Micron Technology jumped 18%, SanDisk added 24%, while Advanced Micro Devices increased 14%. The Philadelphia semiconductor index was up nearly 8%.

The Nasdaq registered 126 new lows while 58 stocks hit new highs. The S&P saw four stocks reach new highs and four mark new lows. Activity on the tape was selective.

Economic indicators delivered conflicting messages. Growth in the second quarter eased, while core private demand picked up speed. The numbers are provisional and will be updated when the government issues its next estimate on August 26.

U.S. indicatorLatest readingPrevious reading
Real GDP, annualized1.5% for Q22.1% for Q1
Private domestic final sales3.9% for Q21.7% for Q1
Headline PCE inflation, year-on-year3.7% as of June4.1% as of May
Core PCE inflation, year-on-year3.3% as of June3.4% as of May

Bonds provided scant respite. The yield on the 30-year Treasury touched its highest level in 19 years in the session. Traders saw the probability of a rate hike in September drop to 59%, compared to 82% the previous week.

Apple and Amazon.com were set to release results after markets closed. Earnings calls for both are planned at 5 p.m. EDT. Cash-flow forecasts from the companies may challenge the current leaders of the rally.

The market close did not indicate a broad risk-on move. Instead, it acted as a cash-flow benchmark within the AI sector. Firms combining aggressive investment with robust cash flow saw the most pronounced gains.

Risks: Robust earnings from Apple or Amazon may encourage wider market involvement. However, rising long-term yields, softer outlooks, or a reversal in Microsoft could swiftly reverse the focused market recovery.

TS2 TECH • EXTENDED COVERAGE

Further analysis

What did the major U.S. indexes do after Thursday’s closing bell?

Post-close index feeds differed slightly. The S&P 500 gained about 1.7%, closing near 7,440. The Nasdaq rose roughly 2.8%, finishing around 25,120. The Dow added approximately 600–650 points, or about 1.2%. The Russell 2000 gained around 1.4%. The VIX fell 15.3% to 17.50. The Wall Street Journal

Why did Microsoft drive such a large market rebound?

Microsoft traded near $455, up about 16.5%, after strong cloud results. The move added nearly $500 billion to its market value. Management’s capital-spending outlook also stayed below investors’ worst fears. The PHLX semiconductor index surged almost 8%, with Micron gaining 18%. Meta fell about 8.4% near $537 after free cash flow dropped 91%. This was an earnings-led rebound. Reuters

Was the rally broad enough to trust?

Market breadth was weak. More than 70% of S&P 500 stocks finished lower. The equal-weight S&P 500 lost about 0.8%. Only nine Dow components advanced. Dow transports fell 1.9%, while utilities declined 0.8%. Broader participation is still needed. Barron’s

What are Treasury yields and the Federal Reserve signaling now?

The Fed held its target range at 3.50%–3.75% by a 9–3 vote. Three officials preferred a 25-basis-point increase. The 30-year Treasury yield touched 5.2444%, its highest since 2007. It later traded near 5.21%, while the 10-year yield neared 4.66%. Traders priced roughly a 60% chance of a September increase. High long-term yields remain the clearest valuation risk for growth stocks. Federal Reserve

Did Thursday’s economic data improve the market outlook?

Second-quarter GDP grew at a 1.5% annualized rate. First-quarter growth was 2.1%. June headline PCE prices fell 0.1% monthly, but rose 3.7% yearly. Core PCE increased 0.1% monthly and 3.3% yearly. Real consumer spending advanced 0.4% in June. Inflation cooled. It remains above the Fed’s 2% target. Bureau of Economic Analysis

What is the verified after-hours setup for Apple and Amazon?

At the first post-close check, no official results could be verified. Both companies scheduled earnings calls for 5:00 p.m. Eastern. Apple’s consensus called for $109 billion revenue and $1.89 EPS. Amazon’s consensus expected roughly $197 billion revenue and $1.82 EPS. AAPL closed near $333, down 1.6%; AMZN neared $237, up 4.6%. Capital spending and cash flow may matter more than headline beats. Apple

Which S&P 500 and Nasdaq price levels matter next?

Wednesday’s S&P 500 close at 7,316 is the first downside reference. Thursday’s intraday high near 7,449 becomes immediate resistance. Thursday’s close remained about 2.4% below the 7,621 record. Nasdaq support begins near Wednesday’s 24,443 closing level. Thursday’s Nasdaq close stayed about 7.3% below its June record. These are reference zones, not guarantees. AP News

What is the most likely market setup for Friday?

Friday’s base case is another volatile, technology-led session. Apple and Amazon beats could push the S&P toward 7,450–7,500. Nasdaq could test 25,300–25,500 if Treasury yields also ease. Heavy capital spending or weak cash flow would threaten Thursday’s rebound. A 30-year yield above 5.24% would intensify that downside risk. The bearish retest levels remain 7,316 and 24,443. These are conditional ranges, not certainties. marketwatch.com

Michał Rogucki is a senior markets reporter at TS2.tech, specializing in stocks, technology and macroeconomic developments. A graduate of Humboldt University of Berlin, he previously worked in investment research and market analysis before transitioning to financial journalism. He covers the trends and events that matter most to investors worldwide.

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