Why Markets Moved

Equity Market Internals and Notable Movers

Eight of eleven S&P 500 sectors declined, led by information technology (−1.68%) and industrials (−1.44%); volume was relatively heavy at 15.3 billion shares versus the 14.8 billion 20-session average (Reuters, 16:15 ET). Index closes: S&P 500 7,619.98 (−37.00, −0.5%), Dow 52,421.20 (−152.09, −0.3%), Nasdaq composite 26,186.41 (−146.62, −0.6%), Russell 2000 2,892.24 (−11.71, −0.4%) (AP, 16:18 ET). Year-to-date, per AP: the S&P is up 11.3%, the Dow 9.1%, the Nasdaq composite 12.7%, and the Russell 16.5%.

The day's defining feature was the historic split inside technology. Semis: the PHLX chip index fell 5.9%; SOXX −5.5% and the Roundhill Memory ETF (DRAM) −7%; Marvell −7.5%, Intel −5.5%, Nvidia −3.5% (Reuters; Investopedia, 16:05 ET). Software/cyber rallied hard against it — CrowdStrike +13.8%, Palo Alto Networks +13.1%, Zscaler +16.5%, Salesforce +4.5%, with ServiceNow, Adobe and Workday up 4–7.4% and IGV roughly +5%, cybersecurity pacing the entire S&P 500 (MarketWatch, 17:11 ET; Investopedia). The trade reads as AI-safety fear expressed as "sell the silicon, buy the infrastructure that defends and monetizes it" — Fortune's "doomsday trade" framing notes hyperscalers diverged too: Alphabet +~2%, Microsoft +1.6%, Meta +~1.4%, Amazon −1.6% (Fortune, 11:26 ET).

Single-stock moves since the pre-market read: Bank of America slid 5.14% after guiding Q3 investment-banking fees down more than 10% (CNBC, 14:39 ET); Oracle fell roughly 3.5% after Larry Ellison canceled his plan to sell up to 50 million shares (Investopedia, 16:05 ET); refiners rallied on the fuel squeeze — Phillips 66, Valero and Marathon Petroleum have all more than doubled in 2026 as Exxon and Chevron gained about 40% each (OilPrice, 18:00 ET). President Trump pushed back on the AI-slowdown camp on Truth Social — "There is a SICK conspiracy going on against AI and Data Centers… WHOEVER WINS AI, WINS!" — while claiming "AI will be the greatest economic development engine in history" (Investopedia; investingLive, 13:53 ET).

Rates, FX, and Commodities

The rates story is the level: the 10-year Treasury yield rose above 5.01% Monday morning — the first trade through 5% since October 2023 — and settled the session near 4.99%, up more than a basis point from Friday's close (Investopedia, 16:05 ET; Guardian, 12:48 ET). Long futures prices fell in line — the 10-year note −0.19% and the long bond −0.23% versus prior settle at the 17:00 ET close — a bear, flattening-tilted day at the long end. The catalyst stack is oil-led inflation, heavy borrowing and fiscal concerns ahead of Wednesday's FOMC, where a 25bp hike is ~90% priced (Reuters, 16:15 ET).

FX was a risk-off dollar day against the safety-sensitive crosses; AUDUSD and NZDUSD rebounded only after sellers failed to sustain key technical breaks (investingLive, 15:15 ET). The yen complex carries the bigger macro signal into tomorrow's Asia session: Goldman Sachs sees a Bank of Japan hike at the September 17–18 meeting as "a done deal," with a faster path that could bring a second move as soon as December, citing energy prices, AI demand and yen weakness (investingLive, 17:29 ET).

Oil led commodities: Brent settled +1% at $105.68 after nearing $110 in the morning; WTI settled at $101.89, +0.49%. The tape is being driven by attribution disputes as much as supply — Iran says Monday's tanker incident in Hormuz was a mine strike, U.S. Centcom says a drone (investingLive, 16:59 ET) — on top of the Saudi east-west pipeline outage of 3–5 weeks. The product market is tighter than crude: over 7 million bpd of Middle Eastern and Russian refined-product flows are offline and global refinery throughput runs 4.2 million bpd below last year, which is why U.S. refiner equities keep outperforming the majors (OilPrice, 18:00 ET). Gold eased 0.27% to $4,340 despite the risk-off tone — notable, and consistent with a strong-dollar/high-real-rates regime. Saudi Arabia's announced discovery of 110 million tonnes of uranium-bearing ore is a longer-dated supply story for the nuclear complex (OilPrice, 16:00 ET). Quiet elsewhere: natgas closed at $2.884.

Earnings and Corporate Developments

• Bank of America (BAC, −5.14%): expects Q3 investment-banking fees to fall more than 10% — the day's sharpest large-cap reaction and a direct read on deal-flow into a 5% 10-year (CNBC, 14:39 ET).
• Oracle (ORCL, ~−3.5%): Larry Ellison canceled his plan to sell up to 50 million shares; the stock still fell with the tech complex (Investopedia, 16:05 ET).
• Cybersecurity cohort: CrowdStrike +13.8%, Palo Alto +13.1%, Zscaler +16.5% — the software-versus-semis spread was the day's most tradable theme (MarketWatch, 17:11 ET).
• Novo Nordisk: CEO Mike Doustdar told CNBC the drugmaker is rebranding and must "rethink" its obesity strategy (CNBC, 13:30 ET).
• Abbott (ABT): agreed to pay $385 million to settle U.S. claims over infant formula marketing (Bloomberg, 14:44 ET).
• Sysco (SYY): seeking to raise $1 billion in a share sale to fund the Jetro acquisition (Bloomberg, 16:36 ET).
• Accenture (ACN): settled with the Justice Department over DEI policies (Bloomberg, 14:19 ET).

Tomorrow Setup

• Asia data opens the day: China's National Bureau of Statistics releases August industrial production, retail sales and fixed-asset investment at 02:00 GMT Tuesday (10:00 PM ET tonight); consensus is industrial output +4.8% y/y (from 4.5%), retail sales +0.8% y/y (from 0.6%), with FAI around −7.2% (investingLive, 16:19 ET).
• The Fed is the pivot: FOMC decision Wednesday afternoon, ~90% priced for a 25bp hike per CME FedWatch after in-line August CPI; watch whether the statement pushes back on — or validates — the market's "more than one hike" chatter now that the 10-year has traded through 5% (Reuters, 16:15 ET).
• BoJ week: the September 17–18 meeting is billed by Goldman as a near-certain hike with a possible December follow-up — JGB long-end yields and yen are the transmission channel to watch in Tuesday's Asia session (investingLive, 17:29 ET).
• Geopolitics is the wild card on two fronts: the Hormuz tanker attribution dispute (mine vs drone) and the reported Russia-Ukraine energy-strike truce — Trump says both sides agreed not to hit energy targets; Kyiv says it is only a proposal so far (Bloomberg, 11:12 ET). An actual de-escalation on either front is the symmetric downside risk to crude and the upside risk to equities.
• Levels to watch: ES settled 7,700 (+0.09% vs prior settle in late trade), NQ 29,489.75; a sustained push back through a 5% 10-year with Brent above $106 is the bear-case confirmation; the bull case needs the chip index to hold Monday's lows without a second AI-safety headline.