Hardware & SemiconductorsGeopolitics & DiplomacyMarkets & Finance
DeepSeek, Huawei's Ascend, and the Week Export Controls Got Repriced
What the selloff prices in, and what it does not.
A roughly $1.3 trillion semiconductor repricing landed the week DeepSeek's chip ambitions surfaced, and our owned read is that the market is pricing a policy backfire: US export controls helped build the Chinese alternative stack they were designed to prevent, though the counterargument that the controls still bite remains live.
- BIS rescinded the AI Diffusion Rule on May 13, 2025, warned that using Huawei Ascend chips anywhere risks violating US controls, and has yet to publish the promised replacement rule; a January 15, 2026 rule reopened mid-tier chip exports case by case.
- DeepSeek's V4 (April 24, 2026) is an open-weight 1.6 trillion parameter model priced at roughly a tenth of US rivals at launch (V4-Pro launched at $3.48 per million output tokens; the live July 2026 price is $0.87); Huawei says part of V4-Flash training ran on Ascend, a claim that is Huawei's, and DeepSeek has not disclosed its flagship's training hardware.
- Reuters reported July 7, 2026, on three anonymous sources, that DeepSeek is designing its own inference chip, more than a year from production; DeepSeek did not comment and the claim is unverified.
- The selloff was multi-cause (AI capex-return doubt, valuations, rates, the Samsung read-through, DeepSeek headlines); Samsung's record 89.4 trillion won quarter still fell, which marks this as a multiple repricing, not a demand miss. All magnitudes are dated snapshots.
- The structural stakes are two hardening AI stacks, CUDA versus CANN, with the CSIS steel-man (controls still deny leading-edge tools and bought a narrowing lead) carried against our backfire read.
Two Timelines Collided, and the Market Read Both at Once
Two timelines collided this week. The policy timeline: Washington rescinded its broadest AI chip-export rule in May 2025, promised a replacement that has not yet arrived, and in January 2026 cracked the door back open for mid-tier chips. The technology timeline: DeepSeek released the largest open-weight model ever published in April 2026, Huawei said part of one variant's training ran on its own silicon, and Reuters reported DeepSeek is designing a chip of its own. The market read both at once. The through-line, that the controls seeded the thing now being priced, is an analytical judgment, not a claim any agency or company has made.
- The Rule Reversal. On May 13, 2025, the Bureau of Industry and Security (BIS), the Commerce Department's export-control arm, announced the rescission of the AI Diffusion Rule days before it took effect, and issued guidance that using Huawei's Ascend 910B, 910C or 910D chips anywhere in the world risks violating US export controls. BIS said a replacement rule would follow.
- The Partial Reopening. On January 15, 2026, a Federal Register final rule moved exports of mid-tier AI chips such as Nvidia's H200 and AMD's MI325X to China from a presumption of denial to case-by-case review, conditioned on US supply sufficiency, security screening and independent US third-party testing.
- The Model. On April 24, 2026, DeepSeek released V4, a mixture-of-experts model (an architecture that activates only a fraction of its parameters per query) with 1.6 trillion total parameters, a 1 million token context window and open weights, meaning anyone can download and run it. Its V4-Pro tier launched on April 24, 2026 at $3.48 per million output tokens, roughly a tenth of leading US rivals then; as of July 2026 the live V4-Pro API price is $0.87 per million output tokens, after a launch discount lapsed.
- The Hardware Thread. Huawei said its chips were used for part of the training of V4-Flash, the smaller variant; DeepSeek has not disclosed what hardware trained the flagship V4-Pro. Separately, Reuters reported on July 7, 2026, citing three anonymous sources, that DeepSeek is designing its own inference chip, the kind used to run models rather than train them; DeepSeek did not comment, and the project is reportedly more than a year from production.
- The Market. As of July 8, 2026, Forbes reported the Philadelphia Semiconductor Index down 10.8 percent and roughly $1.3 trillion of market value erased, with Intel off more than 20 percent for the week; Samsung's record preliminary quarter, operating profit up roughly 1,800 percent year over year, still ended with the shares closing near 7 percent lower.
The Backfire Case Is on the Record, and So Is the Rebuttal
The case is substantially on the record, which is what separates it from an op-ed argument. The Bureau of Industry and Security rescinded the broadest version of the regime on May 13, 2025, days before it took effect, and promised a replacement that has not published. Nvidia's Jensen Huang, an interested party but an on-record one, said on May 21, 2025 that export control was a failure that gave Chinese companies the spirit, the energy and the government support to accelerate, and that the policy cut Nvidia's China market share from 95 percent to 50 percent. ITIF, a technology-policy think tank generally aligned with American industry, calculates the controls cost American firms more than $33 billion in Huawei sales from 2021 to 2024 while Huawei emerged more innovative. DeepSeek's V4, an open-weight model priced at a fraction of its American rivals, is the proof of work the argument was waiting for.
The steel-man deserves equal space. Gregory Allen of CSIS, at an institution that treats export controls as a usable tool, rejects the strongest form of the argument: China was always going to invest in chip independence, the controls still deny Beijing leading-edge manufacturing nodes and EUV lithography, and they bought a real if narrowing lead. CSIS also reported that DeepSeek itself rated Huawei's Ascend chips unattractive for training and found the CANN software stack difficult, and that V4 on DeepSeek's own benchmarks still trails the American frontier.
The judgment here is that V4 running on an increasingly Chinese stack is the strongest datapoint yet consistent with backfire, that the counterargument is live, and that this is a calibrated judgment rather than settled causation. What survives the caveats is a direction rather than a verdict. Inference is where AI compute demand is shifting, inference is where the Ascend line is closest to good enough, and good enough plus available beats best but banned inside a captive market of Chinese buyers that American policy built.
A denial policy built a captive market, and the customer shipped
Regulatory Policy. BIS's own May 13, 2025 rescission conceded the broadest control regime was unworkable, while ITIF, a technology-policy think tank, calculates US firms lost more than $33 billion in sales to Huawei from 2021 to 2024 under the controls, sales that funded the domestic alternative.
Hardware & Semiconductors. Nvidia's chief executive Jensen Huang said on May 21, 2025 that the controls cut Nvidia's China market share from 95 percent to 50 percent and called the policy a failure that gave Chinese companies the support to accelerate; Huawei has since published a chip roadmap through 2028 with in-house high-bandwidth memory.
Huawei misses the fourth-quarter 2026 Ascend 950DT date on its own published roadmap, and the in-house high-bandwidth memory slips with it. A captive market that cannot ship built nothing.
On the policy side: the May 2025 rescission conceded the broadest regime was unworkable and no replacement has published, so what does the successor rule actually deny?
The selloff repriced the story, not the order book
Markets & Finance. Samsung's preliminary second quarter, a record 89.4 trillion won in operating profit reported July 7, 2026, was met with a near 7 percent share decline and an intraday KOSPI drop of as much as 8.2 percent, which is what a multiple compressing looks like while demand holds.
Economics. The risk-off bid went to the havens, the franc firmed and the yen slid, and with AI capital spending now contributing more to US growth than the consumer did in the first half of 2025 per J.P. Morgan Asset Management, a broadening of this repricing is a growth question, not just a Nasdaq one.
Samsung's third-quarter report misses its own guidance that HBM4 sales rise more than threefold quarter-over-quarter, or cuts memory capital spending. Demand moving makes this an order-book hit.
On the market side: Samsung posted a record quarter and the shares still fell, so what in the next print separates a multiple compressing from demand rolling over?
The race is now stack versus stack, not chip versus chip
Hardware & Semiconductors. The strategic prize both DeepSeek's reported chip and Huawei's Ascend chase is Nvidia's CUDA lock-in, the software layer that keeps AI developers on Nvidia hardware; CSIS reported DeepSeek rated the Ascend 910C at roughly 60 percent of an Nvidia H100 for inference but found Huawei's rival CANN software layer years from viability.
Geopolitics & Diplomacy. Allies are hedging both blocs: on June 29, 2026 South Korea announced a more than $1 trillion investment drive across chips, physical AI and data centers with Samsung and SK Hynix, positioning itself to supply whichever stack wins.
No Chinese lab beyond DeepSeek runs real workloads on CANN over two quarters while buyers take mid-tier Nvidia parts under the January case-by-case rule. That leaves one stack, not two.
On the software side: Ascend rates near 60 percent of an H100 for inference while CANN is years from viability, so which lab beyond DeepSeek runs real workloads on it?
The Weave maps a single development across domains and across time. Each row follows one domain from where things stand now through the next eighteen months, and expands for the reasoning behind that trajectory.
- Denial creates a guaranteed customer for the substitute, which is how a rival stack gets funded.
- The counterargument holds too: leading-edge nodes and lithography stay out of reach either way.
- Whether that spending was caused or merely accelerated is what the record cannot settle.
- A hardened split costs leverage over buyers who no longer need what is being withheld.
- Shared infrastructure was also a window, so separation buys less visibility, not more.
- Whether the frontier lead holds longer than the gap takes to close remains unsettled.
- Leverage came from chokepoints, so each substitution removes what the next rule would need.
- Guidance can reach conduct worldwide and still go unfelt where substitutes ship in volume.
- The implementation gap widens on its own as the domestic stack keeps getting deeper.
- The tell is breadth: contained in semis it is rotation, in capex plans it is a growth event.
- Margin tends to move toward the scarce complements, which are power, land and fabrication.
- Cheaper compute usually grows total usage, so volume can hold while unit economics compress.
v1 · July 8, 2026The Replacement Rule and Ascend Adoption Settle This, Not the Tape
Whether the backfire read hardens into consensus or the steel-man wins will show up in a handful of checkable signals over the next two quarters.
- The Replacement Rule. Whether the BIS replacement rule promised in May 2025 publishes as a notice of proposed rulemaking in the Federal Register, and whether it loosens toward the January case-by-case posture or re-tightens; watch The Commerce Department's roster of foreign parties that US companies need special licenses to supply. and foreign direct product rule changes alongside it.
- Samsung's Full Results. Samsung's complete second-quarter report on July 30, 2026, and specifically whether management's capital-spending commentary validates or undercuts the return-on-AI-capex doubt driving the multiple compression.
- The Ascend 950DT. Whether Huawei ships the training-oriented Ascend 950DT in the fourth quarter of 2026 on its published roadmap, and whether any named Chinese lab beyond DeepSeek adopts CANN for real workloads, the binding software constraint CSIS identified.
- The DeepSeek Chip. Any on-record confirmation, tape-out report or named foundry partner for DeepSeek's reported inference chip, which would move it from anonymous report to checkable fact.
- The Tell. If the replacement rule re-tightens and Ascend adoption stalls, the CSIS read wins and this week was a valuation scare; if the rule loosens while V4-class models keep shipping on Chinese silicon, the repricing was the market concluding the wall already leaked.
Every issue
- 01Intersection of the week
- 02Impact of the week
- 03The week in review
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Primary sources4
- DeepSeek API DocsDeepSeek V4 Preview ReleaseApr 24Primary · Did the export controls backfire? · Where Things Stand · The Weave
- BIS (U.S. Commerce)Department of Commerce Announces Rescission of Biden-Era Artificial Intelligence Diffusion Rule, Strengthens Chip-Related Export ControlsMay 13Primary · A denial policy built a captive market, and the customer shipped · Did the export controls backfire? · Looking Forward · Where Things Stand · The Weave
- HuaweiGroundbreaking SuperPoD Interconnect: Leading a New Paradigm for AI Infrastructure (Xu Zhijun keynote, Huawei Connect 2025)Sep 18Primary · A denial policy built a captive market, and the customer shipped · Did the export controls backfire? · Looking Forward · The Weave
- Federal RegisterRevision to License Review Policy for Advanced Computing CommoditiesJan 15Primary · Looking Forward · Where Things Stand · The Weave
Secondary sources, by sector12
- CSISDeepSeek, Huawei, Export Controls, and the Future of the U.S.-China AI RaceMar 7Secondary · The race is now stack versus stack, not chip versus chip · Did the export controls backfire? · Looking Forward · The Weave
- ITIFBackfire: Export Controls Helped Huawei and Hurt U.S. FirmsOct 27Secondary · A denial policy built a captive market, and the customer shipped · Did the export controls backfire? · The Weave
- Al JazeeraSouth Korea announces more than $1 trillion AI, chip investment driveJun 29Secondary · The race is now stack versus stack, not chip versus chip · The Weave
- CNBCNvidia CEO Jensen Huang says U.S. chip restrictions have cut Nvidia's China market share nearly in halfMay 21Secondary · A denial policy built a captive market, and the customer shipped · Did the export controls backfire? · The Weave
- Reuters (via U.S. News)Exclusive-China's DeepSeek Developing Its Own AI Chip, Sources SayJul 7Secondary · The race is now stack versus stack, not chip versus chip · Did the export controls backfire? · Looking Forward · Where Things Stand
- ForbesSemiconductor Selloff Deepens As AI Spending Fears Hit IntelJul 8Secondary · Did the export controls backfire? · Where Things Stand · The Weave
- CNBCSamsung posts 1,800% jump in profit, but AI spending concerns spook investorsJul 7Secondary · The selloff repriced the story, not the order book · Did the export controls backfire? · Looking Forward · Where Things Stand · The Weave
- FortuneDeepSeek unveils V4 model, with rock-bottom prices and close integration with Huawei's chipsApr 24Secondary · Did the export controls backfire? · Where Things Stand · The Weave
- ForbesDeepSeek Just Raised $7.4 Billion. Here's The Catch.Jun 17Secondary · Did the export controls backfire?
- Nikkei AsiaFresh off new highs, Swiss franc beats out yen as safe-haven assetNov 19Secondary · The selloff repriced the story, not the order book · The Weave
- J.P. Morgan Asset ManagementIs AI already driving U.S. growth?Sep 21Secondary · The selloff repriced the story, not the order book · The Weave
- AI Proem (Grace Shao)Part 2: What DeepSeek V4 means for Huawei and NvidiaMay 2Secondary · Did the export controls backfire? · Where Things Stand