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Edge AI stocks compared: Qualcomm (QCOM) vs Arm (ARM) vs Ambarella (AMBA)
Qualcomm, Arm, and Ambarella all sell into edge AI, the work of running AI models on devices instead of in data centers, but they make money in different ways. Here is how their businesses and latest quarterly results compare.

A Fed president asks if AI is becoming "too big to fail." I wouldn't take that as reassurance
Kansas City Fed President Jeffrey Schmid asked whether AI is becoming too big to fail, as a Brookings paper put AI spending above the railroad boom and the 10-year yield hit its highest since 2007.

Berkshire Hathaway (BRK-B) nearly doubles its Lennar (LEN) stake after buying Taylor Morrison
Berkshire Hathaway bought about $349 million of Lennar stock from September 17 to 25, lifting its Class A stake to about 12% from 6.2% at the end of June. In July, Berkshire bought all of homebuilder Taylor Morrison for about $6.8 billion.

Metallus (MTUS) gets a five-year Pentagon shell-steel contract worth up to $995 million, more than its market value
The Defense Logistics Agency awarded Metallus a sole-source contract worth up to $995 million for artillery shell steel. For scale, the five-year ceiling exceeds the Canton, Ohio steelmaker's market value.

New Jersey fines DataOne $1.07 million over unpermitted generators at Nebius (NBIS) site serving Microsoft
New Jersey fined DataOne $1.07 million for running 62 gas generators without air permits at the Vineland data center that DataOne is building for Nebius. DataOne has 45 days to apply for permits.

France's Goncourt Prize drops a debut novel after claims it was written with AI
The Académie Goncourt removed Thélyson Orélien's debut novel from its longlist after an anonymous account said an AI detector flagged it. One jury member called the decision a lynching.

SK Hynix's (SKHY) Solidigm weighs an IPO that could value it at up to $150 billion
SK Hynix's US storage unit Solidigm is considering an IPO as early as next year that could value it at up to $150 billion and raise $15 billion, Reuters reported, citing people familiar with the matter.

Super Micro (SMCI) CEO says SpaceXAI build is moving 'full speed ahead,' teases a year-end surprise
Supermicro CEO Charles Liang said on X that the company is moving full speed ahead on data center work for SpaceXAI and promised a surprise before year-end. He gave no deal size or details.

Oracle (ORCL) is building its New Mexico data center before its power plant has an air permit or a gas supply line
A report released by a New Mexico law group lists what is still unresolved at Oracle's Project Jupiter: the power plant's air permit, a delayed gas pipeline, water limits, tax-break lawsuits, and jobs.

Korea pitches AI projects in Africa as cloud supplier Elice prepares its Kosdaq IPO
Korea is pitching AI projects to African countries instead of the railways and big loans China offered. Elice Group, which supplies the cloud for African startups, is in the middle of its Kosdaq IPO.

Microsoft (MSFT) brings coding and agents into one Copilot app, with usage-based charges
Microsoft is rebuilding Copilot around Home, Code, and Autopilot, and will bill the heavier agent work by usage. CNBC reported that the move is meant to help Microsoft compete in business AI, where Anthropic has been gaining traction.

SK Hynix wants a large site at Gwangju's air base. Samsung's next talks are on October 6
A Jeonnam-Gwangju city summary says SK Hynix wants as much land as possible at the planned chip cluster, while Samsung is pushing to start sooner. Samsung's next talks are October 6.

Tesla (TSLA) ramps Optimus to hundreds a week as hand and supplier problems persist, report says
Tesla has raised Optimus production from a few dozen robots a week to several hundred, but hand assembly, touch sensors, and supplier quality are slowing the ramp toward 1,000 a week, The Information reported.

Michael Burry says Big Tech is understating AI's costs. It's the write-off risk I'm watching.
Michael Burry says the biggest cloud companies are understating what their AI chips cost, by about $176 billion through 2028. It is the write-off risk I flagged earlier this week, from a different angle.

Nscale raises $2.36 billion in pre-IPO notes led by Third Point. Nvidia (NVDA) commits $1 billion.
Nscale, which has filed to list on the NYSE, raised $2.36 billion in convertible loan notes led by Third Point, and Nvidia committed another $1 billion due in mid-November. The notes convert into shares automatically when the IPO is completed.

Anthropic commits $11.6 billion to Akamai (AKAM), with a warrant for up to a 5% stake
Anthropic has committed about $11.6 billion to dedicated Akamai cloud capacity for CPU workloads under two seven-year project plans, with room to expand by up to $9 billion. Akamai issued Anthropic a warrant covering the equivalent of about 5% of its common stock, vesting in stages on a first payment and further commitments.

Goldman Sachs (GS) reportedly made over $200 million this year from Leopold Aschenbrenner's fund
Goldman Sachs reportedly earned more than $200 million in fees this year from lending to Leopold Aschenbrenner's Situational Awareness, a fund that nearly collapsed in July and now plans to borrow less.

Pasqal (PSQL) reports $80 million in booked business, including grants and tax credits. Firm orders total $41.8 million.
Pasqal reported 70.4 million euros ($80.0 million) of booked and awarded business, a figure that includes grants and tax credits, in its first results as a Nasdaq company. Its firm order book was 36.8 million euros ($41.8 million), and first-half revenue rose 14% to 4.9 million euros.

Google (GOOGL) plans to launch its first AI-chip satellite with Planet Labs next week
Google's first Project Suncatcher satellite, developed with Planet Labs and carrying Google TPUs, is scheduled to launch next week on a SpaceX rideshare. Separately, Google began testing a Gemini feature that calls businesses for Pixel 11 owners.

Quantum stocks compared: IonQ (IONQ) vs Rigetti (RGTI) vs D-Wave (QBTS)
IonQ, Rigetti, and D-Wave all sell quantum computers, but they use different technologies and run businesses of very different sizes. IonQ reported $80.1 million of second-quarter revenue, nearly 10 times Rigetti and D-Wave combined.

"Chipflation" hits Korean electronics suppliers with demands for 10 to 20 percent price cuts
Korean suppliers of smartphone, laptop, and TV parts are being asked to cut costs by about 10 to 20 percent as memory chip prices climb, Hankyung reported. Chinese rivals are bidding 20 to 30 percent lower to win the business.

Oracle (ORCL) invokes force majeure on its New Mexico data center to protect against delays
Oracle sent Blue Owl a force majeure notice over Project Jupiter in New Mexico, aiming to delay payments if the data center slips rather than walk away, Bloomberg reported.
Sivers (SIVEF) brings in new wireless and photonics leaders as its photonics CTO plans to retire
Sivers Semiconductors named a new head of its wireless business from Semtech and Qorvo, hired an Amkor veteran to run photonics engineering, and said photonics CTO and CST Global co-founder Andrew McKee will retire at the end of 2026.

Korea's SDT is buying an IonQ quantum computer and plans to assemble its systems in Gumi
Korean quantum company SDT is buying the first Superion 256 in Korea from IonQ and plans a facility in Gumi to package IonQ's quantum memory and assemble its systems, as IonQ's preferred manufacturing partner for Asia-Pacific and Japan.