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Fri, 25 Sept 2026
Brief 16:30 ET
Postmarket Sep 25: S&P +0.5%; oil fade; SOX +1%
S&P +0.5% / SOX +1.4%. 10y ~5.18%; Brent ~$98. AKAM held green, ORCL soft. DoD Anthropic bar upheld; China DC model.
postmarket
Brief 09:15 ET
Premarket Sep 25: ES +0.2%, oil slip, Akamai
ES +~0.2%; 10y ~5.18%; Brent ~$98 on Hormuz hopes. Akamai–Anthropic $11.6B; WSJ Jupiter “cracks.” Trump–Xi optics, no chip deal.
premarket
Thu, 24 Sept 2026
Brief 16:30 ET
Postmarket Sep 24: S&P flat; ORCL FM; oil $107
S&P ~flat / SOX −0.3%. 10y ~5.16%; Brent ~$107. Oracle Jupiter FM (−3.5%); Texas AG water probe. SoftBank print digested.
postmarket
Brief 09:25 ET
Premarket Sep 24: SoftBank prints; soft futures; Trump–Xi
SoftBank issued ~$11.1B OpenAI HY. S&P futures ~−0.5%; 10y ~5.13%; Brent still >$100 into Trump–Xi dinner.
premarket
Wed, 23 Sept 2026
Brief 16:45 ET
Postmarket Sep 23: S&P −0.75%; 10y 5.11%; oil up
S&P −0.75% / NQ −1.13% / SOX −1.2%. 10y ~5.11% (2007 high). Oil rebound; Barr more hikes. Ramp 5.73%; Claude ART enzyme.
postmarket
Brief 09:00 ET
Premarket Sep 23: soft open; SoftBank HY; 16Hi
S&P soft (−0.1%) after flat Tuesday. SoftBank HY >$20B interest. JPM 16Hi→2029 relay; Samsung D0a hybrid bonding; Trump–Xi today.
premarket
Tue, 22 Sept 2026
Brief 16:50 ET
Postmarket Sep 22: S&P flat; SOX +2%; Opus/Sol cuts
S&P flat / NQ +0.45% / SOX +2.1%. Brent $99.25; 10y ~4.97%. Barkin keeps hike door open. Opus ~40% cheaper; Sol/Luna −50%.
postmarket
Brief 09:00 ET
Premarket Sep 22: ES soft green; oil; SoftBank HY
ES ~+0.1% after Nasdaq record; Brent soft near $100, 10y ~4.9%. SoftBank ~$11B OpenAI HY, Abbott TCEQ halt, EMIB/Penang, Alibaba Zhenwu.
premarket
Sat, 19 Sept 2026
Brief 08:35 ET
Weekend Sep 19: Fed week ~flat; OpenAI −$278B FCF
S&P ~flat Fed-hike week; 10y ~5%, WTI $100. Overnight: OpenAI −$278B FCF path, Anthropic >$100B ARR / Nov IPO talk, Nscale S-1, Accenture eval.
weekend
Fri, 18 Sept 2026
Brief 16:50 ET
Postmarket Sep 18: S&P +0.17%; SOX +2.8%; CLSK HY
Witching Friday mixed-narrow: S&P +0.17% / NQ +0.39% / Dow −0.18%. 10y ~5.00%; WTI $100.30. CleanSpark Meta HY ~$2.28B 4× bid.
postmarket
Brief 09:00 ET
Premarket Sep 18: ES flat; oil eases; Crusoe $3.9B
Futures muted into witching; 10y ~4.98%. Crusoe $3.9B, SoftBank Arm loan, labs hunt 20–30 MW DCs; Dwarkesh–Brown swarms.
premarket
Thu, 17 Sept 2026
Brief 16:50 ET
Postmarket Sep 17: S&P +1.1%; Huang 2x; oil eases
Bounce stuck — S&P +1.13% / Nasdaq +1.62%. Huang ~2x chips; Nvidia–Brookfield $2B. Oil settles ~$102; 10y ~4.95%.
postmarket
Brief 09:00 ET
Premarket Sep 17: futures bounce; oil <$100; Fed digest
Futures rebound after Fed selloff; WTI under $100; 10y eases under 5%. Generac–Amazon power; Gerstner offtake; OpenRouter share flip.
premarket
Wed, 16 Sept 2026
Brief 16:45 ET
Postmarket Sep 16: Fed hike; Dow −1.2%; chips hold
Unanimous 25bp hike; Warsh hawkish. S&P −0.45% / Dow −1.21% / SOX +0.63%. Oil off highs; Amazon–Generac DC power; Apollo CDS caution.
postmarket
Brief 09:00 ET
Premarket Sep 16: Fed day, 10y ~5%, Hynix–Intel
Futures modestly higher into Fed; 10y eased under 5%; oil still three-digit. Hynix–Intel memory talks; pacing reframed as more compute.
premarket
Tue, 15 Sept 2026
Brief 16:35 ET
Postmarket Sep 15: rates/oil dominate; chips bounce into Fed
S&P −0.45% as 10y tagged ~5.04%; SOX bounced while indexes fell. Ramp Astra 13% vs Fable 8%; AWS Bahrain unrestorable; Kyber slip to 2028.
postmarket
Brief 09:00 ET
Premarket Sep 15: oil, 5% 10y, Fed
Futures ~flat into Fed; 10y tagged ~5.02% and oil stayed three-digit. Tan reaffirms Broadcom AI path; Anthropic GW financeability still open.
premarket
Mon, 14 Sept 2026
Brief 16:30 ET
Postmarket Sep 14: slowdown selloff concentrates in chips and power — pacing is mix, not cliff
Session closed SPX −0.5% / Nasdaq −0.6% with positive breadth; damage in SOXX, chips, and AI-power. Baker reframes pacing as more alignment compute and lower lab margins; HBM 4-Hi stays contested sell-side vs SemiAnalysis.
postmarket
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Brief · Fri, 25 Sept 2026 · 16:30 ET

Postmarket Sep 25: S&P +0.5%; oil fade; SOX +1%

S&P +0.5% / SOX +1.4%. 10y ~5.18%; Brent ~$98. AKAM held green, ORCL soft. DoD Anthropic bar upheld; China DC model.

Edition: postmarket

The lead

S&P +0.51% — closed 7,743.41 (+39.28) vs Thu 7,704.13; Nasdaq +0.48% to 27,068.72; Dow +0.93% to 51,828.62 (Yahoo; Yahoo NQ; Yahoo DJI). Cash followed the firm ES open into a green session — Mag7 mixed, SOX led, not a broad AI-capex re-rating.

  • Path / breadth — SOX +1.4%; Mag7 split; energy soft on the oil fade. SOX +1.41% to 12,668.93. MSFT +3.66% and AAPL +1.53% led Mag7; NVDA +0.22%; GOOGL +0.46%; AMZN ~flat; META −3.33% (giveback after Thu’s +4.5%); TSLA −1.54%. AKAM +3.20% to 113.94 — held green after a ~$125–128 gap open faded hard. ORCL −1.75% to 137.10; OWL +0.76%. XLE −0.86% with crude.
  • 10-year ~5.18% — Yahoo settle 5.184 (+~2bp from Thu 5.162); session poked ~5.23 then faded. WSJ afternoon: bond selloff paused; 10y still a ~19-year closing high and a week that ended sharply higher.
  • Oil — Brent stayed off three-digit; Hormuz-reopen hopes held the fade. WTI ~$92.8 (−~1.9% vs Thu $94.61); Brent ~$97.7 (−~8.4% vs Thu $106.6). WSJ live: Dow led on Hormuz-deal hopes; crude −~2% on their print (WSJ).
  • Archive afternoon: D.C. Circuit 2–1 upholds DoD supply-chain risk label on Anthropic (Claude ban for DoD/contractors preserved; split with N.D. Cal. vacatur). SemiAnalysis China Datacenter Model preview — China fleet >24GW; ByteDance ~1/5 capacity, mostly leased; BAT 2Q26 capex $20B.
  • Session carry (not new docs): Akamai–Anthropic ~$11.6B offtake — gap faded, close still +3%. Oracle Jupiter FM — ORCL extended soft (−1.8%). SoftBank OpenAI HY still on calendar (settle Sep 29 / OpenAI ~Oct 1).

Morning’s open question — Jupiter FM + sticky ~5.18% 10y vs softer oil and Akamai offtake reopening Mag7/SOX after summit optics — resolved mixed toward a tape reopen, not a financing reopen: cash green, SOX +1.4%, Brent held ~$98, but 10y stuck ~5.18%, ORCL kept sliding, AKAM gave back most of the gap, and Mag7 was MSFT/AAPL-led rather than NVDA/ORCL breadth. Summit still optics over chip/AI financing relief.

Open question: Into SoftBank settle Sep 29 / OpenAI ~Oct 1, does a sticky ~5.18% 10y plus ongoing Jupiter lease stress still force Stargate/DC credit pressure, or does the oil fade + SOX reopen stick once aftermarket HY spreads print?

Positioning

AI capex durability — China MW ledger and DoD bar are not a U.S. hyperscaler guide-down; Jupiter stress is still schedule/financing friction. SemiAnalysis’s China Datacenter Model puts >24GW under mainland AI infra (ByteDance ~1/5, mostly leased; BAT 2Q26 combined capex $20B / negative FCF) — consistent with global compute-bound spend, silent on whether a top-four U.S. hyperscaler guides sequential capex down. Anthropic’s same-week Akamai CPU-cloud offtake sits beside a still-live DoD supply-chain bar (D.C. Circuit 2–1) — commercial compute lock vs federal-procurement exclusion, not a demand cut. Theme falsifier unmet; financing/site friction (Jupiter FM, TX water) remain closer than SoftBank oversubscription optics.

HBM supply binds — China facility MW ≠ accelerator shipments. The same SemiAnalysis preview flags chip/export constraints as a dark cloud beside vacancy/price competition — useful for build-speed comparisons, not a third-supplier or HBM-per-accelerator break.

Top stories

S&P +0.5% / SOX +1.4% — oil fade and Mag7 split; rates still the long-end problem. Yahoo: S&P 7,743.41 / NQ 27,068.72 / Dow 51,828.62 / SOX 12,668.93; MSFT +3.7%; META −3.3%; NVDA ~flat (Yahoo; SOX; WSJ).

10y ~5.18% — paused off ~5.22% highs; still a ~19-year closing high / week sharply higher. Bond selloff paused with oil; sticky long end into SoftBank settle (Yahoo TNX; WSJ).

Oil — Brent ~$98 / WTI ~$93; Hormuz reopen hopes held Thursday’s three-digit unwind. Yahoo Brent −~8% vs Thu $106.6; WSJ ties Dow leadership to deal hopes (Yahoo BZ; Yahoo CL; WSJ).

D.C. Circuit — 2–1 upholds Pentagon Anthropic supply-chain risk label. Claude ban for DoD systems and contractor work preserved; conflicts with N.D. Cal. vacatur of a parallel designation; effect delayed for further review (news; CNBC; WIRED).

SemiAnalysis — China DC fleet >24GW; ByteDance ~1/5; BAT 2Q26 capex $20B. Building-level map of 1,000+ sites / 60+ operators; US 56GW in their 2026YE framing; chip/export constraints flagged beside the MW ledger (news; newsletter).

Akamai / Oracle session follow-through — offtake gap faded; Jupiter soft extended. AKAM +3.2% after giving back most of the premarket gap; ORCL −1.8% on continued Jupiter FM/“cracks” overhang (Yahoo AKAM; Yahoo ORCL; news; news).

Brightline — Florida railroad files bankruptcy to cut heavy debt. Fortress-backed passenger rail; ridership growing but trailing expansion needs — non-AI credit/infra stress on the afternoon wire (WSJ).

What to watch

SoftBank settle Sep 29 / OpenAI tranche ~Oct 1. Whether aftermarket spreads and CDS hold with 10y still ~5.18% and Jupiter FM unresolved (news).

Oracle–Blue Owl FM negotiation / Jupiter 2028 path. Whether FM is agreed (possible rent delay) or walked back; NM air-quality decision Nov 23; whether ORCL soft stabilizes (news).

Anthropic DoD bar — rehearing / en banc / SCOTUS path. Whether the D.C. track stays the binding federal-procurement exclusion beside the California vacatur (news).

Akamai–Anthropic delivery / termination conditions. Whether the $11.6B CPU commitment converts on schedule after the gap-fade session (news).

Hormuz / Iran follow-through. Whether reopen-hope headlines stick or reverse — Brent already off Thursday’s ~$107 print (WSJ).

October FOMC vs sticky ~5.18% 10y. Whether FedWatch hangs elevated through SoftBank aftermarket with the long end still near multiyear highs (WSJ).

The Open/Close  ·  Research commentary, not investment advice. Positions may be held in securities mentioned.