Money questions at Coherent
It was a broad up day for AI infrastructure: most of the stocks we follow rose. The strongest part of the chain was AI chips; the weakest was Physical AI. The wider market rose 2.4%, so part of the move was simply the market.
Key highlights
- AI chips & foundryWatch AMD Surges 13% as Wall Street Revives AI Chip TradeAMD +13.3%
- Power & gridAI Is Creating a Power Crisis. Constellation Energy Just Showed How It Plans to Cash InCEG +10.5%
- AI models & applicationsIonQ Gains Another 9%, Rigetti Up 9%, D-Wave Up 7% as Quantum Rally Extends Into Rivals’ EarningsIONQ +8.3%RGTI +10.5%
- Memory & storageSeagate Soars 10% in AI Rebound as Morgan Stanley Sees “Strong Fundamentals and Weak Sentiment”STX +9.8%
- Data centers, cooling & build speedInfineon Boosts AI Sales Outlook Due to Data Center Growth PlansInfineon Technologies +6.3%
- Neoclouds, bonds & AI financingCoreWeave Rises 5%, Nebius Up 7% as AI Stocks Rebound Ahead of Earnings: “Levered Trades to AI”CRWV +5.6%NBIS +9.2%
Markets
The S&P 500 rose 2.4%, the Nasdaq 100 rose 3.5% and chip stocks outperformed (+5.0%). Asia had a rally: KOSPI +4.4%, Taiwan TAIEX +2.5%, Nikkei 225 +2.9%, Hang Seng +0.4%. In Korean memory, SK hynix rose 0.3% and Samsung +0.6%. The US 10-year yield held 0bp to 4.86%; oil -1.8%, VIX 20.0.
US
Asia
Rates & macro
The AI chain today average move · day / week
AI chips & foundry +6.1%
Chip stocks +6.1% on the day (37 of 40 up), -8.2% on the week. Astera Labs led (+13.7%) and NVIDIA lagged (-4.3%).
Lithography Machines +3.6% Stood out today
Lithography Machines stocks +3.6% on the day (4 of 4 up), -9.9% on the week. ASML Holding led (+6.2%).
Chip Testing & Burn-in +8.7% Stood out today
Chip Testing & Burn-in stocks +8.7% on the day (5 of 5 up), -4.2% on the week. Cohu led (+12.8%).
Memory & storage +4.4%
Memory and storage stocks +4.4% on the day (6 of 7 up), -19.6% on the week. Western Digital led (+9.9%) and Kioxia lagged (-2.5%).
Optics & networking +7.7%
Optics and networking stocks +7.7% on the day (18 of 19 up), -5.5% on the week. Coherent led (+16.8%) and NVIDIA lagged (-4.3%).
- Nokia eyes AI optical interconnect market, potentially challenging Lumentum and CoherentLITE +10.7%COHR +16.8%
- Marvell-Lumentum Deal Odds Near Coin Flip as AI Trade ShuddersMRVL +9.5%LITE +10.7%
- Coherent Soars 18%, Lumentum Up 12% as AI Optics Rebound Extends Despite Nvidia TurmoilCOHR +16.8%LITE +10.7%
AI Networking +7.1% Stood out today
AI Networking stocks +7.1% on the day (5 of 6 up), -2.1% on the week. Astera Labs led (+13.7%) and NVIDIA lagged (-4.3%).
Servers, racks & components +6.7%
Server and component stocks +6.7% on the day (24 of 27 up), -10.4% on the week. Monolithic Power Systems led (+16.6%) and Samsung Electro-Mechanics lagged (-3.1%).
Power & grid +4.7%
Power and grid stocks +4.7% on the day (44 of 50 up), -2.2% on the week. Oklo led (+14.0%) and LG Energy Solution lagged (-5.8%).
Data centers, cooling & build speed +7.0%
Data center, cooling and builder stocks +7.0% on the day (21 of 22 up), -5.7% on the week. Sterling Infrastructure led (+15.0%).
Hyperscalers & AI spending +3.0%
Hyperscaler stocks +3.0% on the day (5 of 5 up), +5.1% on the week. Meta Platforms led (+5.1%).
Neoclouds, bonds & AI financing +5.9%
Neocloud stocks +5.9% on the day (4 of 5 up), -0.1% on the week. Nebius led (+9.2%).
AI models & applications +6.6%
AI software and security stocks +6.6% on the day (34 of 35 up), +4.8% on the week. Firefly Aerospace led (+17.1%).
Robotics & physical AI +3.6%
Robotics stocks +3.6% on the day (40 of 45 up), -0.7% on the week. AeroVironment led (+12.6%) and NVIDIA lagged (-4.3%).
Materials +4.9%
Materials stocks +4.9% on the day (22 of 25 up), +4.0% on the week. United States Antimony led (+23.1%).
Policy & regulation
Rules, taxes and local politics are now a regular part of the build-out story.
Data & what's coming
- H100 rental price: +1.9% over 7 days.
Next 7 days
- 11-10EarningsTokyo Ohka Kogyo (4186.T)
- 11-10EarningsSumitomo Metal Mining (5713.T)
- 11-10EarningsFujikura (5803.T)
- 11-10EarningsCoreWeave (CRWV)
- 11-10EarningsFirefly Aerospace (FLY)
- 11-10EarningsHesai Group (HSAI)
What it means for stockholders
Memory. Memory led (+4.4%). HBM and DRAM are still the tightest part of the chain, so suppliers keep pricing power; strength here fits the shortage.
Rotation. Money rotated into chip testing & burn-in (+8.7%) and out of hyperscalers & ai spending (+3.0%). That is a shift inside AI, not an exit.
Neoclouds. Financing is the swing factor. Holders should watch new debt deals and their interest rates. Cheaper, easier funding is good news for the stocks; costlier funding is the first warning sign.
Asia exposure. KOSPI moved +4.4%. Korea is mostly memory (SK hynix, Samsung), so a big KOSPI day is usually a read on the memory cycle and foreign money flows. Check whether US memory names followed.
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Past days (15)
- Thursday 12 November 2026 — Money questions at CoreWeave
- Wednesday 11 November 2026 — SK hynix jumped without a clear catalyst
- Tuesday 10 November 2026 — Money questions at Coherent
- Monday 9 November 2026 — Coherent jumped without a clear catalyst
- Friday 6 November 2026 — Micron Technology slid without a clear catalyst
- Thursday 5 November 2026 — CoreWeave signed a deal
- Wednesday 4 November 2026 — More money going into the build-out
- Tuesday 3 November 2026 — Lumentum signed a deal
- Monday 2 November 2026 — Intel slid without a clear catalyst
- Friday 30 October 2026 — More money going into the build-out
- Thursday 29 October 2026 — Vertiv jumped without a clear catalyst
- Wednesday 28 October 2026 — More money going into the build-out
- Tuesday 27 October 2026 — Lumentum jumped without a clear catalyst
- Monday 26 October 2026 — Bloom Energy slid without a clear catalyst
- Friday 23 October 2026 — Bloom Energy delivered, but the stock still fell
Built automatically from 1166 public headlines, delayed prices and our bottleneck research; each item links to the original story. Published each weekday around 6:30am US Central. Not investment advice.