Summary
The S&P 500 slid -0.52% to 7,745.06, the Nasdaq Composite fell -0.32%, and the Dow Jones Industrial Average dropped 272.63 points, or -0.51% (see Major Indices & Breadth).
The US-Iran ceasefire memorandum of understanding expired Monday with negotiations stalled, sending Brent crude near $91 and the 30-year Treasury yield to 5.29%, its highest level since 2007 (see Geopolitics, Treasury Bonds).
Memory chipmakers rallied after a report that the Trump administration opposes Apple (AAPL) buying Chinese memory chips (see AI).
EyePoint Pharmaceuticals (EYPT) collapsed roughly -70% after a failed Phase 3 trial, while Reddit (RDDT) is set to join the S&P 500 before Tuesday’s open (see Corporate, Market Structure).
Major Indices & Breadth
🔴 S&P 500 closed at 7,745.06, down -0.52%, a second straight losing session pulling back from last week’s record territory.
🔴 Nasdaq Composite fell -0.32% to 26,644.91, holding up modestly better than the broader tape.
🔴 Dow Jones Industrial Average fell 272.63 points (-0.51%) to 53,459.78.
🟡 Russell 2000 slipped roughly -0.4% to around 3,055, small-caps giving back a slice of last week’s record close.
🟡 Breadth skewed negative; declines in most S&P 500 names overshadowed a rally in memory and chip stocks (see AI).
🟢 Leaders
LUNR +9%
MU +6%
SNDK +5%
CSCO +1.5%
CAT +0.7%
GS +0.3%
🔴 Laggards
EYPT -70%
JBLU -6%
WDAY -2.4%
MCD -1.8%
UNH -1.6%
MSFT -1.1%
Earnings
🟡 Fabrinet (FN) reports fiscal fourth-quarter and full-year 2026 results after tonight’s close, with a call at 5:00 PM ET; the Street models adjusted EPS of $3.81 on revenue of $1.28B, roughly in line with management’s own guidance of $3.72–$3.87 and $1.25–$1.29B.
🟡 No major S&P 500 names reported before today’s open; the market is bracing for a heavier retail-earnings slate later this week (see Tomorrow’s Calendar).
AI
🟢 Anthropic disclosed $11.5B in second-quarter revenue and is meeting with banks about a potential IPO that could be the largest on record, reinforcing the case that AI capex stays elevated.
🟢 Memory chipmakers rallied after Commerce Secretary Howard Lutnick told the Wall Street Journal the Trump administration opposes AAPL buying Chinese memory chips; SanDisk (SNDK) jumped roughly +5% and Micron (MU) roughly +6%, while Nvidia (NVDA) and Amazon (AMZN) were both modestly higher.
🟢 Nvidia is reportedly in talks to invest as much as $3B in SB Energy, a SoftBank-backed Ohio data-center project being built for OpenAI.
Corporate
🔴 EYPT fell roughly -70% after its wet-AMD candidate Duravyu missed the primary endpoint in a Phase 3 trial.
🟢 Intuitive Machines (LUNR) rose roughly +9%, a fifth straight gain, after receiving authorization to proceed on a $600M multisatellite communications program.
🔴 JetBlue Airways (JBLU) fell roughly -6% to $5.33 after Seaport Research downgraded the stock to Neutral, citing renewed oil-price risk to its balance sheet as the US-Iran ceasefire lapsed (see Geopolitics).
🔴 Workday (WDAY) fell roughly -2.4% after Deutsche Bank cut the stock to Hold and BTIG moved to Neutral, unwinding part of last week’s Silver Lake buyout-rumor pop.
Market Structure
🟡 RDDT joins the S&P 500 before tomorrow’s open, replacing AvalonBay Communities (AVB), which is being acquired by fellow S&P 500 constituent Equity Residential; the combined company will be renamed Vivmark Residential (VMRK) and remain in the index.
🟡 Sun Communities (SUI) joins the S&P MidCap 400 on Thursday, replacing Webster Financial (WBS), which is being acquired by Banco Santander (SAN).
Macro/Policy
🔴 Traders trimmed the odds of a September Fed rate hike to roughly 33%, down from over half a month ago, after last week’s soft retail sales and consumer sentiment data (see Prediction Markets).
🟡 Minutes from the July 28–29 FOMC meeting are due Wednesday and will be scrutinized for the internal debate over inflation risk versus growth risk.
🔴 Year-ahead inflation expectations from the University of Michigan rose again in August, a fifth straight month above 4%.
Treasury Bonds
🔴 30-year Treasury yield rose roughly 3bps to 5.29%, the highest level since 2007 and closing in on that year’s 5.44% financial-crisis-era peak.
🟡 10-year yield held near 4.69%, little changed on the day but up sharply for the month as long-dated supply and deficit concerns weigh on the belly and long end.
🟢 2-year yield eased to 4.17%, continuing this month’s short-end decline as traders lean toward a Fed hold rather than a hike.
🔴 The 2s10s spread widened to roughly 52bps as short rates ease while long rates climb on fiscal and AI-capex-driven supply worries (see Macro/Policy).
Geopolitics
🔴 The US-Iran ceasefire memorandum of understanding expired Monday with negotiations stalled; Iran ruled out an extension, and a senior Iranian official told Reuters the country would shift to an “offensive posture” if diplomacy with the US fails.
🔴 President Trump told Fox News the US would bomb Oman “if it gets in the way,” and separately said he doesn’t see the war ending anytime soon.
🔴 Oil jumped on the escalation risk (see Commodities), with the Strait of Hormuz remaining the key chokepoint to watch.
Foreign Markets
🟢 Nikkei 225 rose +0.74% to 69,220.25.
🟡 Euro Stoxx 50 slipped -0.14% to 6,530.45.
🔴 FTSE 100 fell -0.28% to 10,720.30.
🔴 DAX fell -0.38% to 26,338.61.
🔴 CAC 40 fell -0.66% to 8,579.60.
Currencies
🔴 Dollar Index (DXY) fell -0.09% to 99.57, a third straight down session as traders pare back rate-hike bets (see Macro/Policy).
🟢 USD/JPY rose +0.16% to 159.56.
🟢 EUR/USD rose +0.03% to 1.1577.
🟢 GBP/USD rose +0.01% to 1.3537.
Commodities
🟢 WTI crude rose +2.29% to $84.29, extending gains on renewed Iran-conflict fears (see Geopolitics).
🟢 Brent crude settled near $91, also higher on the same Middle East risk.
🟢 Gold rose +0.56% to $4,462.10 as haven demand ticked up alongside the equity selloff.
🟢 Silver rose +1.29% to $65.95.
Crypto
🟢 Bitcoin (BTC) traded around $63,900, up roughly +2% on the day even as risk assets broadly sold off.
🔴 Ethereum (ETH) slipped to around $1,875–$1,895, down roughly -1.8% on the week as analysts debate whether the crypto bear market has bottomed.
Prediction Markets
🟡 Traders put roughly 67% odds on the Fed holding rates in September versus 33% odds of a hike, up from near even a month ago (see Macro/Policy).
🟡 Traders put roughly 1-in-4 odds on Paramount’s bid for Warner Bros. Discovery (WBD) failing.
Volatility
🟡 VIX rose to around 15.2, up roughly +7% from Friday’s 14.25 close, but remains near its 2026 low after touching that mark last week.
🟡 Strategists flagged the combination of record-low volatility, fresh index highs, and unresolved geopolitical risk as a setup for a bumpier mid-August-to-mid-October stretch, historically choppier in midterm-election years.
Tomorrow’s Calendar
RDDT joins the S&P 500 before the open, replacing AVB (see Market Structure).
FN‘s fiscal Q4/FY2026 results, released after tonight’s close, will be digested at tomorrow’s open (see Earnings).
Retail-earnings season builds this week with Home Depot (HD), Target (TGT), Lowe’s (LOW), and Walmart (WMT) all reporting over the coming days.
FOMC minutes from the July 28–29 meeting are due Wednesday.
3 Scenarios
🟢 Bullish: US-Iran talks resume before tomorrow’s open, oil gives back some of today’s gain, and FN‘s after-hours report beats guidance cleanly — the S&P 500 stabilizes back above 7,770 and memory/AI names extend today’s strength.
🟡 Neutral: Geopolitical headlines stay noisy without fresh escalation, oil holds in the high-$80s-to-low-$90s Brent range, and traders mark time ahead of Wednesday’s FOMC minutes and this week’s retail earnings — the S&P 500 chops in a 7,700–7,780 range.
🔴 Bearish: Iran signals a shift to an “offensive posture,” Brent pushes toward $95, and the 30-year yield extends its push toward its 2007 peak — the S&P 500 tests 7,650 and the VIX moves back above 17.
Final Take
Monday looked like the mirror image of the summer’s “buy every dip” pattern.
A stalled ceasefire, a jump in oil, and a fresh multi-decade high in the 30-year yield combined to snap the S&P 500’s three-week winning streak.
The damage was orderly rather than panicked — the S&P 500 gave back just -0.52%, and the VIX, while up on the day, is still hovering near its 2026 low.
Underneath the headline weakness, money kept rotating into memory and AI-infrastructure names on the SanDisk/Micron chip-export story and Anthropic’s blockbuster revenue disclosure, a reminder that the AI capex trade has its own gravity independent of the macro tape.
The next 48 hours carry real catalysts: Reddit’s S&P 500 debut, Fabrinet’s earnings tonight, and Wednesday’s FOMC minutes, all set against a bond market where the 30-year is now within shouting distance of its financial-crisis-era peak.
If oil keeps climbing on Iran headlines, the inflation-versus-growth tension in that Treasury market becomes the story the rest of the week — not just for stocks, but for the Fed’s next move.
Source: CNBC, Yahoo Finance, Bloomberg, TheStreet, Trading Economics.
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This snapshot is a good reminder that chip stock strength and broader index weakness can coexist on the same trading day.