SPX Market News
The market-moving developments shaping today’s S&P 500 session.
Midday updateAugust 3, 2026
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Updates at 6:25 AM, 12:40 PM, and 1:10 PM PT on market days.
Relief rally lifts S&P 500 as geopolitics and energy lead, but chip weakness and seasonal risks linger
President Trump called off a planned strike on Iran and said negotiations would resume, triggering a drop in crude oil and a broad advance in U.S. equities. Treasury yields pulled back as the inflation impulse from energy faded, though caution persists ahead of key earnings and economic data.
Lower oil reduces input costs and inflation pressure, supporting equities and easing rate-hike expectations. The halt in geopolitical escalation removes a major downside risk, but lingering chip sector weakness and historical seasonal headwinds continue to weigh on investor sentiment.
Broad-based gains led by mega-cap tech follow a halt in Iran strikes and a drop in crude, though a sharp selloff in South Korean chips and seasonal warnings temper the bullish tone.
Today’s SPX drivers
Ranked by potential market impact- 01ENERGYOil drops sharply as Trump cancels Iran strike, easing geopolitical premiumWest Texas Intermediate crude fell sharply after President Trump called off a planned military strike on Iran and said negotiations would resume. The move unwound a large portion of the geopolitical premium built up over the past month, with oil prices retreating to three-week lows.HIGHBenzingaBenzinga
- 02MEGA-CAPMegacap tech leaders rebound on earnings optimism and AI infrastructure demandAmazon, Meta, and Oracle led a strong recovery in megacap technology stocks, with each gaining on robust earnings and continued AI infrastructure spending. Analysts highlighted strong cloud backlogs and raised capital expenditure guidance, reinforcing confidence in the AI buildout.HIGHBenzingaBenzingaBenzinga
- 03SECTORSSemiconductor selloff in South Korea spills over to U.S. chip stocksSelling in South Korean semiconductor stocks, with the Kospi falling sharply overnight, pressured U.S. chip names, particularly Micron Technology. This came despite a broader market rally, highlighting continued fragility in the semiconductor complex after a terrible July.MEDIUMBenzingaBenzinga
- 04MACRO DATAISM manufacturing data shows strong expansion, adding to growth optimismThe ISM Manufacturing PMI rose to its highest level in over four years, with the employment index returning to expansion. The data indicate a strengthening factory sector, supporting the view that the economy remains resilient.MEDIUMBenzingaBenzinga
- 05MARKET STRUCTUREHyperscaler debt issuance and AI spending raise concerns about credit cycleA surge in debt issuance by megacap tech companies, including Amazon and Alphabet, has been flagged as a driver of long-term interest rates reaching multi-decade highs. A prominent investor warned that the health of AI model labs is a key catalyst to watch for a sustained selloff.MEDIUMBenzingaBenzinga
- 06MARKET STRUCTURESeasonal pattern of weak June and July signals potential further downsideHistorically, when the S&P 500 falls in both June and July, the rest of the year has been weak, with an average decline of over two percent. Strategists note that August and September are typically the worst months, adding to cautious sentiment.LOWBenzingaBenzinga
Macro, Fed & rates
ISM manufacturing data shows strong expansion, adding to growth optimism
SPY · XLIThe ISM Manufacturing PMI rose to its highest level in over four years, with the employment index returning to expansion. The data indicate a strengthening factory sector, supporting the view that the economy remains resilient.
Strong manufacturing data reduce recession fears and support corporate earnings expectations, providing a favorable backdrop for equities. It also gives the Federal Reserve more room to consider rate hikes, which could temper gains.
Mega-cap, sectors & global risk
Oil drops sharply as Trump cancels Iran strike, easing geopolitical premium
XOM · CVX · USOWest Texas Intermediate crude fell sharply after President Trump called off a planned military strike on Iran and said negotiations would resume. The move unwound a large portion of the geopolitical premium built up over the past month, with oil prices retreating to three-week lows.
Lower energy prices reduce inflationary pressures, which helps support equity valuations and reduces the likelihood of aggressive Federal Reserve action. This is particularly beneficial for consumer discretionary and industrial sectors, which are sensitive to fuel costs.
Megacap tech leaders rebound on earnings optimism and AI infrastructure demand
AMZN · META · ORCL · MSFTAmazon, Meta, and Oracle led a strong recovery in megacap technology stocks, with each gaining on robust earnings and continued AI infrastructure spending. Analysts highlighted strong cloud backlogs and raised capital expenditure guidance, reinforcing confidence in the AI buildout.
Megacap tech stocks carry significant weight in the S&P 500, so their performance directly influences the index. Positive sentiment around AI demand and cloud growth supports these names, offsetting broader concerns about high valuations and rising debt issuance.
Semiconductor selloff in South Korea spills over to U.S. chip stocks
MU · NVDA · AMDSelling in South Korean semiconductor stocks, with the Kospi falling sharply overnight, pressured U.S. chip names, particularly Micron Technology. This came despite a broader market rally, highlighting continued fragility in the semiconductor complex after a terrible July.
The semiconductor sector is a large and volatile component of the S&P 500, and weakness in Korean chips signals potential global demand softness. Persistent downside pressure in this group could offset gains elsewhere and cap the index's upside.
Hyperscaler debt issuance and AI spending raise concerns about credit cycle
MSFT · AMZN · GOOGL · ORCLA surge in debt issuance by megacap tech companies, including Amazon and Alphabet, has been flagged as a driver of long-term interest rates reaching multi-decade highs. A prominent investor warned that the health of AI model labs is a key catalyst to watch for a sustained selloff.
Rising borrowing costs for major index constituents could pressure valuations and increase financial risk. If credit conditions tighten due to heavy supply, it may lead to higher discount rates and reduced appetite for equities.
Seasonal pattern of weak June and July signals potential further downside
SPYHistorically, when the S&P 500 falls in both June and July, the rest of the year has been weak, with an average decline of over two percent. Strategists note that August and September are typically the worst months, adding to cautious sentiment.
Investor sentiment can be influenced by historical patterns, potentially leading to reduced buying interest or increased hedging. While not a fundamental driver, it can affect market dynamics in the short term.
Next catalysts
| Date | Time (ET) | Event | Consensus | Impact |
|---|---|---|---|---|
| 2026-08-03 | 10:00 ET | ISM Manufacturing PMI | 54.0 | HighPrevious 53.3 |
| 2026-08-03 | 10:00 ET | ISM Manufacturing Prices | 70.0 | MediumPrevious 73.0 |
| 2026-08-04 | 10:00 ET | JOLTS Job Openings | 7.42M | MediumPrevious 7.59M |
| 2026-08-05 | 08:15 ET | ADP Non-Farm Employment Change | 71K | MediumPrevious 98K |
| 2026-08-05 | 10:00 ET | ISM Services PMI | 54.5 | MediumPrevious 54.0 |
| 2026-08-06 | 08:30 ET | Unemployment Claims | 205K | MediumPrevious 197K |
| 2026-08-07 | 08:30 ET | Jobs Report (NFP + Unemployment) | 0.3% | HighPrevious 0.3% |
Source & methodology
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