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OCT 4, 2026 · K2 CAPITAL MANAGEMENT

Daily Brief — October 04, 2026

Houthi ballistic missiles struck a Saudi Aramco refinery complex in Riyadh for the first time in over four years — a strike Riyadh has not confirmed — as Saudi authorities weigh a major ground assault on the Houthis in Yemen.

Houthi ballistic missiles struck a Saudi Aramco facility in Riyadh for the first time in over four years, and Riyadh is weighing a major ground assault on Yemen — the Red Sea war has crossed onto Gulf energy infrastructure. With the G7 releasing 100 million barrels from emergency reserves, the main brake on a supply shock is now the reserve release itself, not the absence of a threat.

Geopolitics

Iran / Hormuz — Iran's exchange suspended trading in six listed refiners through Oct. 14, halting almost the entire listed refining sector, as exports fell to about 500,000 b/d in July–August from 2.6 million b/d in January. Inflation is near 90% and the rial has lost about 25% against the dollar in two months; Treasury Secretary Bessent said Iran will have "no oil on the water this week." US officials reported an intercepted Iranian-backed plot against RAF Fairford in Britain, and Israel warned Germany over the Spangdahlem and Ramstein bases.

Russia / Ukraine — Russian strikes severed roadway on a second Dnipro bridge in Kyiv and hit a foreign-flagged vessel in Odesa port, killing one sailor, widening the campaign beyond power and rail. Ukraine's steel output could fall to zero in 2027, with 2026 production forecast down 39% after strikes idled about 90% of capacity, and metallurgical export revenue down $2.5 billion a year. US-Russia talks have expanded to a multibillion-dollar Lukoil international assets deal, while Zelensky told Reuters Ukraine will escalate refinery strikes this winter.

BRICS / Global South — Houthi ballistic missiles struck a Saudi Aramco facility in Riyadh for the first time in over four years, producing a massive fire and smoke plume; Saudi authorities have not confirmed it, but witnesses and the Hormuz Letter verify the strike. Riyadh is reportedly weighing a major ground assault on Houthi rebels in Yemen, and a "handful" of G20 members rejected the US stance on excess industrial capacity.

China / Taiwan — The US is preparing to deploy NMESIS anti-ship missile batteries to Yonaguni, the Japanese island closest to Taiwan, and a US simulation modeled strikes on China's alleged secret nuclear testing site at Lop Nur. Taiwan's economics minister visits Arizona this week to deepen semiconductor and supply-chain ties, while Tokyo-Beijing friction redirects Chinese tourist flows toward Southeast Asia.

Macroeconomics

US Economic Data — September payrolls added just 29,000 jobs, well below expectations, and equities closed higher as the soft print dampened rate-hike expectations, with the S&P 500 at 7,736. Combined US and China M2 money supply surged $7.9 trillion year-on-year in August to a record $76.4 trillion.

Oil / Energy Markets — G7 countries agreed to release 100 million barrels of crude and diesel from emergency reserves, and Trump said the US will not impose a diesel export ban, reversing his threat against France and Germany. Supply risk persists: a fire and large smoke plume were reported near an Aramco facility in Riyadh, Petroecuador declared force majeure at the SOTE pipeline, and UBS warned Europe has "one month until drawdown" on gas.

Markets

AI Chips / Semiconductors — Nvidia is worth roughly $5.6 trillion, the largest company on earth, while Micron trades at $1,069 a share, up more than 480%, and has made more money this year than in the entire prior decade. JPMorgan expects memory supply to stay tight through 2028 with HBM demand up 63%, and TSMC affiliate VIS plans a second Singapore plant on AI demand.

Big Tech — New Mexico is asking a judge to order Meta to pay up to $40 billion in penalties after a jury found it misled consumers about Facebook's data privacy. Meta's off-balance-sheet debt stands at $628 billion, which on one analysis makes its stock 35% more expensive than the headline valuation implies.

AI

AI Model Releases — OpenAI appears set to launch a major model next week, originally intended for DevDay, with observers pointing to GPT-6.1 Astra, while Gemini 4 is close to official release. Opus 5.5 became the first model to break the 50% traffic threshold in T3 Code, taking half of all prompts, and Ling 3.1 Flash — a 560B-parameter MoE with 25B active — is free in Cline until Oct. 13 and rated on par with frontier open-weight models.

AI Compute / Infrastructure — US data centre construction spending surged 73% year-on-year in August to a record $85 billion annualized rate, and hyperscaler off-balance-sheet commitments hit $3.6 trillion as of Sept. 30, up $500 billion in a single month, mostly Nvidia-linked. Elon Musk confirmed early talks with TSMC on Terafab factories in Texas, cautioning the deals may not materialize.

China AI Labs — DeepSeek released V4.1-Flash-2-Sparks, reporting 2,000 tokens per second prefill with a 2-million-entry KV cache pool and 262k context, extending Chinese open-weight labs' cost-and-speed compression. Treasury Secretary Bessent said China has "woken up to how powerful their open source models are" over the past 60 days and accused Chinese firms of "industrial distillation."

AI Policy / Safety — OpenAI safety systems leader David Robinson resigned after overseeing safety reports for 12 major model launches, warning the "time for trial and error is over." Trump named ODNI chief Jay Clayton to head a White House "Super Intelligence Force" with 120 days to report on AI risks, while Bessent called prominent figures' existential-risk warnings alarmist.

Daily Brief — October 04, 2026 | K2 Capital