Friday, 17 July 2026 · London Edition · 07:30 London

Nvidia slashes customers. TSMC bets the farm. Oil is a fuse.

Join Tom, Gerald and Marie for this edition's podcast · 11 min Spotify YouTube

Signals

Iran strike

The US struck an oil tanker near Iran's key export terminal, the first such direct hit since the blockade restart, sending S&P 500 futures down 0.2% in thin trading. Bloomberg reports the escalation marks a new phase in the US-Iran conflict, though the market's muted reaction suggests positioning isn't fully pricing a sustained supply disruption. The next 48 hours will determine whether this becomes a broader risk-off event, with WTI's $90 support a key level to watch.

USO

Buy Oil Fund — Supply disruption risk from direct strikes on Iran's export infrastructure; USO already up 9.8% this week, but momentum can extend.

$119.3 -1.71%
SPY

Sell S&P 500 ETF — Futures dropped 0.2% on the tanker strike; SPY is just 1% below its 52-week high, leaving little cushion if escalation widens.

$750.7 -0.54%

Power grid crunch

America's largest grid operator entered an emergency process to address a projected supply shortfall, partly driven by AI data-center demand. Bloomberg notes this is a defining test for the AI boom, shifting the bottleneck from chips to electricity. Utilities could benefit from accelerated infrastructure investment, but the alarm also signals potential inflation from energy costs.

XLU

Buy Utilities ETF — Grid emergency accelerates utility spending; XLU is 5% below its 52-week high, offering a re-rating catalyst if capex ramps.

$45.47 +0.55%
TLT

Sell Long Treasury ETF — Emergency grid action signals inflation risk from energy, potentially pushing rates higher; TLT sits just 2% above its 52-week low, but the short trade may have further to run.

$84.21 -0.04%

TSMC capex

TSMC sharply raised its capital spending and sales projections, asserting the AI boom will run at least three more years. The chipmaker's bullish guidance defies AI bubble skeptics and validates the hardware buildout thesis. TSM is already 15% off its 52-week high, and the capex upgrade could be the catalyst to recover lost ground.

TSM

Buy TSMC — Capex hike and three-year AI outlook; TSM is 15% below its high with a 19.3x forward P/E, providing a re-rating entry point.

$409.7 -2.32%
NVDA

Buy Nvidia — TSMC's bullish call supports NVDA's growth trajectory; NVDA is 12% off its high with a 16.2x forward P/E, cheap if AI demand holds.

$207.4 -2.40%

Europe AI buildout

Goldman Sachs expects hyperscaler spending to increase again next year, driving further gains for Europe's AI infrastructure stocks. Bloomberg highlights ASML and Siemens as prime beneficiaries. ASML is 11% below its peak, Siemens 6%, leaving runway if the capex cycle expands as forecast.

ASML

Buy ASML Holding — Goldman's call on AI infrastructure; ASML is 11% off its high with a 31.6x forward P/E, a direct play on sustained lithography demand.

$1785 -1.67%
SIEGY

Buy Siemens — Industrial automation exposure benefits from AI buildout; SIEGY is 6% off its high with a 23.1x forward P/E, offering diversified AI exposure.

$154.1 -0.61%

Korea equity selloff

South Korean authorities curbed leveraged funds tracking chipmakers, sending SK Hynix and Samsung tumbling and snapping a two-day EM rally. Bloomberg flags the regulatory action as a new risk for concentrated Korean tech bets. EWY slumped 4.8% last session and 11% for the week, with forced deleveraging possibly still in play.

EWY

Sell South Korea ETF — Bloomberg reports leveraged fund curbs hit chip names; EWY dropped 4.8% last session and is down 11% for the week, with further forced selling a risk.

$163.4 -4.82%
SSNLF

Sell Samsung Electronics — Samsung tumbled on regulatory action; negative sentiment persists, though pricing data is stale.

$65.21 +0.00%

Asia supply chain

Two sources detail reshuffling in Asian tech: Huawei targets 60M smartphone shipments (+20%), Nvidia slashed its Asian customer white list by more than half to comply with US controls, and helium supply pivots to the US. Malaysia begins EV battery production in July. Memory chip shortages and helium tightness create winners: Micron and Linde benefit, while Nvidia's revenue base narrows.

LIN

Buy Linde — Helium supply pivot to the US benefits Linde, the top producer; stock is 5% off its high, offering a clean supply-chain play.

$520.7 +1.28%
MU

Buy Micron Technology — Memory chip shortages, flagged by Nikkei, boost Micron; forward P/E of 5.7x is deeply discounted despite last session's 5.6% drop, signaling a value opportunity.

$853.2 -5.65%
NVDA

Sell Nvidia — Nvidia halved its Asian customer white list, narrowing its revenue pool; NVDA is 12% off its high, and compliance headwinds could pressure growth.

$207.4 -2.40%

UK political shift

WSJ reports that UK investor concerns eased on speculation Shabana Mahmood could become Treasury chief, potentially stabilizing politics. The pound and UK equities could benefit if the appointment is confirmed, but the move is rumor-driven. EWU is just 4% from its 52-week high, so upside may be limited without concrete fiscal policy clarity.

EWU

Buy UK ETF — Speculation of Mahmood as Treasury chief eases political risk premium; EWU is 4% below its high, limiting upside without actual policy change.

$46.97 +0.43%

Housing regulation

WSJ flags a new law targeting big investors in residential real estate, which could reduce the capital available to build new supply. The regulation creates headwinds for institutional landlords. INVH is 7% off its high, but IYR sits at a 52-week high, suggesting the market has not priced in the risk.

INVH

Sell Invitation Homes — Restrictions on big investors threaten the single-family rental model; INVH is 7% off its high, and regulatory overhang could deepen the discount.

$30.42 +2.01%
IYR

Sell Real Estate ETF — Investor restriction law may dampen demand for REITs; IYR trades at a 52-week high, so the risk is not priced in.

$106.3 +2.33%

Trump Media monetization

Trump Media will sell high-speed access to the president's Truth Social posts to trading firms, hoping to monetize market-moving statements. Two sources confirm the plan, but no pricing or commitment details are available. DJT has surged 12.8% this week but remains 54% below its 52-week high, a speculative bet on unproven revenue.

DJT

Watch Trump Media — Two sources report the data-feed plan; DJT up 12.8% this week but still 54% below its high, with monetization uncertain.

$9.63 +0.63%

Diesel inflation risk

WSJ warns that a sharp drop in diesel supplies is driving prices higher, risking a fresh inflation pulse. Truckers and farmers face a squeeze, and energy costs could feed into core CPI. USO has already rallied 73% YTD but remains 23% below its peak, suggesting room to run if the diesel crunch tightens further.

USO

Buy Oil Fund — Diesel supply crunch tightens energy markets; USO up 73% YTD but still 23% off its high, with further upside if inflation fears reignite.

$119.3 -1.71%
XLE

Buy Energy Select ETF — Energy stocks benefit from rising diesel and crude; XLE is 10% off its high and offers direct sector exposure.

$57.02 +0.92%
TIP

Buy TIPS ETF — Diesel-driven inflation scare could lift inflation expectations; TIP is 4% from its high, providing a direct hedge.

$108.0 -0.09%

Most original take

Robert Ross · MarketWatch Top · 16 Jul 2026

The stock market has a ‘Magnificent Seven’ problem — but not the one bears are warning about

Robert Ross argues the real ‘Magnificent Seven’ problem isn’t market concentration but the group’s growing dominance in the real economy, which could invite regulatory action that investors are ignoring. Unlike standard bearish warnings about index weight, this column warns that antitrust and political backlash pose a greater threat to these stocks than any technical overconcentration.

Read original ↗

Our view

The press today is a study in cognitive dissonance. On one side: the AI Capex Church — TSMC, Goldman, and the helium supply chain — all saying the boom has years to run. On the other: Nvidia is quietly cutting Asian customers, Korea is cracking down on chip leverage, and diesel is threatening a fresh inflation pulse. SPY is 1% from its all-time high, but dislocation in the hardware supply chain is widening. The market is pricing the destination, not the journey.

The bull retort is straightforward: every pullback in semis this year has been a buyable dip, and this time isn't different. TSMC's guidance is the rebuttal to the AI bubble critics — actual capex, actual sales upgrades. MU trades at a forward P/E of 5.7, ludicrous for a memory shortage. NVDA at 16.2x is no longer expensive. If the Fed can look through diesel noise and cut anyway, the V-shaped recovery in tech resumes. The risk is that diesel and crude squeeze the cost of everything from data-center construction to consumer wallets, and the Fed blinks. But for now, positioning is light after the semis selloff — EWY has already wiped out 26% from its peak — leaving room for a bounce.

What we're not hearing: any quantification from Street analysts on the revenue hit from Nvidia's white-list purge. If half of Asian customers are cut, that's not trivial, yet consensus estimates haven't budged. Also absent: any mention of China's response to the helium supply pivot. Beijing relies on helium for chip manufacturing, and a US chokehold is a vulnerability they won't ignore quietly.

The cleanest expression of today's signals isn't a single ticker. It's the tension between the AI hardware supply squeeze (long MU, long LIN) and the energy inflation risk (long XLE, long TIP). Pair those against a stretched QQQ, now 6% off its high but still up 15% YTD. Dispersion is rising; active management earns its fees in this tape.

Yesterday's signals, today

From the London Edition on 16 Jul 2026 — 3/6 signals moved in the predicted direction.

Share this edition