Energy & critical minerals: Meta 7.8GW nuclear PPA, uranium $89-100/lb, China rare earth controls paused to Nov 2026. Industrial policy: Section 232 25% chip tariff (Jan 2026) + July 1 update pending. Regulatory: restrained but watching AI.

Autoresearch: Macro bucket scan — May 18 2026

Generated by /autoresearch on 2026-05-18. Covers 3 macro buckets: energy & critical minerals, US industrial policy & tariffs, regulatory & antitrust. Search-snippet-based (WebFetch all 403). Treat as raw material. Context: vault/projects/stock-market

Summary

Three buckets scanned. Most significant new forcing functions: (1) Meta signed agreements for up to 7.8 GW of nuclear capacity — the largest single corporate nuclear PPA bundle yet, confirming hyperscaler shift from intermittent renewables to firm nuclear baseload; (2) Section 232 semiconductor tariffs (Jan 15, 2026) impose 25% on advanced chips but exempt US data-center supply-chain imports — creates structural incentive for US-fab sourcing; July 1, 2026 update due and Phase 2 broader tariffs are signaled; (3) China rare earth export controls paused until November 10, 2026 — the clock is ticking but gives US 6 months to build alternative sources.

Findings

Bucket 1: Energy & critical minerals

Nuclear PPAs — hyperscaler scale now confirmed:

Meta signed agreements for up to 7.8 GW of nuclear capacity in Q1 2026 — the largest single-entity nuclear PPA bundle yet. Includes an Oklo + Meta deal for a 1.2 GW nuclear campus in Pike County, Ohio; Meta prepaying and funding project advancement. Microsoft has arranged over 800 MW of nuclear capacity exclusively for data centers. Three Mile Island Unit 1 (now "Crane Clean Energy Center") delivering under a 20-year Microsoft PPA. The dominant corporate energy procurement model has shifted from passive renewable PPAs to "active, strategic underwriting of new, firm power generation."

Implication for nuclear-baseload-for-ai-data-centers thesis: highly confirmatory. The meta-trend is clear. The question is no longer whether hyperscalers will sign nuclear PPAs — they're signing them at scale. The question is whether CCJ (uranium producer) and CEG (nuclear operator) are pricing this in fully.

Uranium pricing:

Spot spiked to $100/lb in January 2026 (first time in 2 years), corrected to ~$89/lb
Term prices at 14-year high of $90/lb
No new mine supply before 2030 — structural tightness
US data center electricity demand: 176 TWh → estimated 580 TWh by 2028

Critical minerals — China pause creates November 2026 catalyst:

China's most comprehensive rare earth export controls (October 9, 2025 Proclamation — "any foreign-made product containing 0.1% or more of Chinese-origin rare earths requires a license") were paused until November 10, 2026 at the APEC summit standdown (both sides pulled back). This creates a binary November 2026 catalyst: escalation vs. negotiated resolution.

US domestic rare earth production up 400% YoY in 2024; import reliance down from 95% → 80% for refined rare earths. US-Australia framework agreement: $1B financing for heavy rare earth element (HREE) expansion. MP Materials (MP) is the primary US-domiciled rare earth miner — benefits directly from this policy tailwind.

Bucket 2: US industrial policy & tariffs

Section 232 semiconductor tariffs (January 15, 2026):

Trump issued Proclamation 11002 on January 15, 2026: 25% tariff on advanced computing chips (narrowly defined). Key exemptions: data center supply chain imports, R&D, supply chain strengthening — explicitly exempt. This means chips imported for US fab buildout and data center deployment are NOT subject to the tariff; the tariff targets commodity foreign chips that compete with US production.

July 1, 2026 update required by Proclamation: Secretary must report on data-center chip market conditions. Outcome: potential modification, expansion, or Phase 2 broader tariffs. This is a near-term regulatory catalyst — July 1 is 6 weeks away.

Phase 2: After trade negotiations conclude, broader semiconductor tariffs at "significant rates" are planned, with a tariff-offset program for US manufacturing investors. This is the IRA-equivalent for semiconductor tariffs — preferential treatment for domestic producers.

CHIPS Act investment tax credit: Senate bill would raise from 25% → 30% (from current 25%); Trump backing. Intel is a primary beneficiary.

Reshoring reality check: IoT Analytics May 2026 report says "reshoring boom has not happened" per macro data — semiconductor fab construction spending down 44% from July 2024 peak. The CHIPS-era construction surge has normalized. This is a caution against assuming physical capacity is expanding as fast as the policy narrative suggests.

Bucket 3: Regulatory & antitrust

No major new enforcement actions in May 2026 that directly affect any active thesis company. Trump FTC chair Andrew Ferguson taking "restrained but vigilant" approach. FTC watching Microsoft/Nvidia/OpenAI; DOJ watching Nvidia specifically. The Synopsys-Ansys merger was approved (May 2025). No actions that materially re-price any active thesis ticker.

Not a forcing function in May 2026 — regulatory risk is background, not foreground.

New hypothesis-stage chains surfaced (Step 2b)

Chain 1: China rare-earth November 2026 deadline → MP Materials / US HREE processors

Who needs the constrained input: Any US defense contractor, EV manufacturer, or industrial equipment maker using neodymium, dysprosium, or terbium. If China's export controls resume November 10, cost inflation and supply disruption hit simultaneously.
Who benefits: MP Materials (MP) — only US-domiciled rare earth mine-to-magnet processor with CHIPS Act analog policy support.
What evidence would graduate to active thesis: November 2026 export control reinstatement OR any near-term Chinese escalation ahead of the November deadline.
Candidate ticker: MP

Chain 2: Section 232 Phase 2 tariffs → US chip fab premium pricing

Who benefits: Any US-domiciled fab (Intel, TSMC Arizona, Samsung Taylor) whose wafers would become structurally cheaper than foreign-made alternatives due to the tariff-offset program.
The chain: Phase 2 tariffs with offsets → imported chips at +25%+ premium → customers accelerate US-fab contracts → Intel/TSMC Arizona fill faster than demand would otherwise support.
Already partially in active thesis: us-fab-capacity-bottleneck captures some of this; the Phase 2 tariff angle is new and specific.
What evidence would graduate: Phase 2 tariff announcement with specific rates + offset mechanics.

Contradictions and open questions

Reshoring construction boom not materializing despite policy: fab construction spending -44% from 2024 peak. If reshoring is policy-supported but physically slow, Intel's capacity expansion timeline is longer than the narrative implies.
China pause removes near-term pressure on rare earths: the November 2026 deadline is real but 6 months away — not a current forcing function.

Provenance

Searches run:

"nuclear energy AI data center power purchase agreement 2026 new PPA uranium demand"
"US critical minerals rare earth policy May 2026 China export controls forcing function"
"CHIPS Act semiconductor tariff US industrial policy May 2026 new announcements reshoring"
"Section 232 tariffs technology semiconductors defense procurement forcing function May 2026"
"FTC DOJ antitrust AI semiconductor merger 2026 new ruling investigation May"

URLs fetched: 0 (all 403). Search-snippet-based synthesis.

Key source URLs from search snippets:

Tools used: WebSearch (5 searches). WebFetch all 403. Generated: 2026-05-18