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United States Daily Briefing

Monday, 25 May 2026

📈 AMD +4% on $10B Taiwan AI Bet, Broad Rally Lifts 10/11 Sectors as Oil Tanks 7% on Iran Deal Hopes

Monday was a reset session: oil dropped ~7% on US-Iran nuclear deal optimism, compressing the energy-inflation premium weighing on multiple expansion. With crude relief in play, 10 of 11 sectors moved higher — Healthcare led at +1.17%, Tech at +1.00%, Industrials at +0.73%, Utilities at +0.78%. AMD was the momentum standout, surging 4.0% to $467.51 after confirming plans to invest more than $10 billion in Taiwan's AI infrastructure. The session's fly in the ointment: NVDA slid 1.9% to $215.33 after Huawei claimed a chipmaking breakthrough — the market is taking the headline seriously even though China is already restricted from Nvidia's top-end silicon. Comm Services was the lone sector in the red (-0.55%), with GOOGL off 1.2%.

3 things that moved markets

1.

AMD's $10B+ Taiwan AI Infrastructure Pledge Drives +4% Surge

Advanced Micro Devices confirmed investments exceeding $10 billion in Taiwan's AI market (per InsiderMonkey), reassuring the Street that AMD's data-center GPU ambitions are backed by real capex. Shares hit $467.51 (+4.0%), the session's strongest large-cap move. For investors long AI infrastructure (AMAT, LRCX, SOXX), this is a conviction print — AMD is betting the demand curve justifies multi-year capex now. CRM +2.1% and CSCO +1.87% amplified the tech-stack theme: the AI build-out is driving software AND networking spending.

2.

Huawei Chip Breakthrough Claim Clips NVDA 1.9% — Moat Narrative Gets Thinner

Huawei announced what it called a chipmaking breakthrough, claiming US sanctions weren't tight enough to contain Chinese semiconductor ambitions (Benzinga). NVDA fell to $215.33 (-1.9%). The headline is headline risk, not immediate revenue risk — China is already off-limits for H100/H800. But the long-term moat thesis gets incrementally thinner every quarter Huawei posts chip progress. GOOGL -1.2% dragged Comm Services; no specific catalyst, suggesting Magnificent-7 profit-taking into the AMD/healthcare-led rally.

3.

Oil -7% on Iran Deal Hopes — This Week's Real Macro Move

Brent crude dropped ~7% on US-Iran nuclear talk progress (Benzinga: 'Global Stocks Rally As Oil Sinks 7%'). For US equities, a 7% oil decline does double duty: compresses near-term CPI inputs AND boosts consumer sentiment (lower gas prices = wallet share). Treasury yields barely budged Monday, telling you bond markets are waiting for a formal announcement before revising the dot-plot read. If Iran talks produce a deal, May core PCE prints get an easier base — and the Fed's rate-hold reasoning narrows.

Top movers

Gainers (5)

AMDAMD+3.99%CRMCRM+2.13%TSLATSLA+1.95%CSCOCSCO+1.87%UNHUNH+1.57%

Losers (5)

NVDANVDA-1.90%GOOGLGOOGL-1.21%WMTWMT-0.88%AMZNAMZN-0.80%NFLXNFLX-0.78%

Sector heatmap

Tech+1.00%Financials+0.41%Energy+0.61%Healthcare+1.17%Industrials+0.73%Cons. Staples+0.17%Cons. Discr.+0.40%Materials+0.54%Real Estate+0.13%Utilities+0.78%Comm. Svcs.-0.55%

Smart-money note

The insider tape flipped to pure distribution Monday: zero insider buys vs $37.56 million in Form 4 sales in the past 72 hours. Fortinet's COO John Whittle filed two separate sales totaling $18.2M in FTNT shares — a cybersecurity name that's run hard in 2026. ARW's Gretchen Zech sold $3.4M; NXT's Howard Wenger added $2.0M to the seller list. When C-suite sells into a broad market rally, it doesn't signal they're bearish on the business — it signals they think current prices are fair-or-better for exit. Smart money is collecting liquidity from retail buying the Iran-deal pop. Risk for tomorrow: if no formal Iran deal announcement materializes by Asia open, oil reverses and the inflation-relief thesis unwraps fast. NVDA at $215 is the hinge — a close below here on Huawei follow-through would signal the AI trade is entering a rotation phase, not just a one-day dip.

What to watch tomorrow

Iran nuclear deal news

A formal US-Iran announcement keeps oil suppressed and the inflation-relief rally intact. A breakdown reverses oil +5% and removes the CPI tailwind that justified today's multiple expansion. Watch State Dept briefings and Brent crude futures at Asia open.

NVDA at $215 support

Huawei's chip breakthrough claim is the catalyst; does Nvidia management push back publicly? Below $215 with volume, the AI crowded-long starts seeing stop-loss activity — which drags SOXX and AMD back down too.

Fed speakers / core PCE context

Oil down 7% is a leading disinflation signal; watch any Fed speaker for whether they incorporate the oil decline into their inflation trajectory. A dovish acknowledgment re-prices rate-cut odds for July meaningfully.

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