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Yiwen Lu

Big-tech earnings lift US stocks

The S&P 500 climbed 0.2% on Tuesday. The Nasdaq 100 jumped 1%, while the Russell 2000 dropped 0.3%. 

Gains among megacaps pushed stocks up. All Magnificent 7 stocks advanced, except for Tesla, which fell 1.1%. Alphabet, which reported earnings after the bell, rose 1.8% to finish the day. Among chip stocks, Broadcom was up 4.2% after Reuters reported that the company was working with OpenAI to build its first chip. AMD, which also reported after close on Tuesday, rose 4%. The technology sector led all major S&P sectors, with the ETF up 1.4%. 

Beyond tech, however, most S&P 500 sectors retreated. The utilities sector fell the most at 2.1%, followed by the energy sector, which lost 1.5%. A slew of oil and energy companies slumped, joining crude-oil futures, which edged down. Both the US and global crude benchmarks settled at their lowest point since September. 

The market today saw the start of a busy earnings week. DR Horton was the biggest laggard of the day, down 7.2%, as homebuilders struggled with declining sales and started to offer new incentives for buyers. VF Corp., the parent company of Vans, surged 27% following an earnings beat. Glass company Corning rose 4.7% as enterprise customers demand more materials for data centers. 

With the Federal Reserve’s next meeting just about a week away, the JOLTS report showed that US job openings kept falling in September, hitting their lowest level since early 2021. Treasury yields moved little. Gold climbed. Bitcoin briefly flirted with an all-time high.

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Trump’s “impossible trinity” on AI and energy


Everyone loves a good trilemma.

In economics, the most famous of the genre was developed by Fleming and Mundell, which posits that you can only successfully achieve two of the following three objectives: the free flow of capital, a fixed exchange rate, and independent sovereign monetary policy.

George Pollack, senior US policy analyst at Signum Global Advisors, proposed a trilemma of his own to describe the Trump administration’s competing policy aims as a red-hot AI boom devours power and leaves households miffed by rising electricity bills.

He wrote:

This note flags what we believe to be a simple reality whose salience will continue growing in US politics in coming months: the Trump administration, in its remaining three years will face a trilemma as the nation waits for its energy bet to play out – proving able to achieve two, but not all three, of the following objectives:

-Fulfill AI’s energy-appetite.
-Keep repressing renewable sources of energy.
-Appease American electricity consumers.

Trump AI trilemma

As for evidence that the Trump administration is taking a fossil fuels first approach while stunting renewables, Pollack pointed to the One Big Beautiful Act, which shrinks access to tax credits for green energy, as well as the end to the federal pause on LNG export permits. However, it would be “inaccurate and unfair” to blame Trump’s policies for surging electricity prices in recent months, he added.

While the government has pursued the expansion of nuclear power as a way to solve this trilemma, the long lead times involved are incongruent with a short-term fix.

Palantir reports Q3 earnings results

Palantir climbs toward a fresh record high ahead of earnings report

Traders and Wall Street are waiting to see whether Palantir’s latest numbers after market close today will continue to beat expectations.

Joby’s UAE reported certification delay stokes fears that air taxis may be further off than thought, sending eVTOL stocks down

Commercial air taxi service may be on a slower path than investors previously thought.

Shares of Joby Aviation fell more than 9% on Monday morning amid a report from The National that the company’s UAE certification will be completed by the third quarter of next year. That’s a significant delay from Joby’s own projected timeline in February, when it said it planned to carry passengers in Dubai in “late 2025 or early 2026.”

Rival Archer Aviation, which also recently suffered a hit to its UAE certification timeline, fell more than 9%. Joby and Archer each are expected to report their earnings results later this week.

Also potentially causing some investor pullback is the planned IPO of Beta Technologies on Tuesday. Beta, a manufacturer of electric aircraft, received a $300 million investment from GE Aerospace in September.

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Micron jumps on report of surging memory chip prices

Micron, the US memory chip specialist, is up more than 4% in early trading Monday after a report that Samsung Electronics was temporarily pausing new pricing on contracts for the latest version of ubiquitous short-term computer memory: Dynamic Random Access Memory, or DRAM. The chip giant wants to see where the market settles after a recent spike in spot prices for memory chips driven by the AI boom.

DRAM and memory chips of all sorts have pricing power because of how much demand is outpacing supply. Last week, South Korean memory chip behemoth SK Hynix said it had already “sold out” all of its 2026 production.

Such signs of ongoing AI-related demand for IT hardware also gave a lift to other data storage device makers, such as Seagate Technology Holdings and Western Digital. The duopoly dominate the hard disk drive market, and have ridden a boom in demand for the affordable data storage devices to gains of more than 200% in 2025.

DRAM and memory chips of all sorts have pricing power because of how much demand is outpacing supply. Last week, South Korean memory chip behemoth SK Hynix said it had already “sold out” all of its 2026 production.

Such signs of ongoing AI-related demand for IT hardware also gave a lift to other data storage device makers, such as Seagate Technology Holdings and Western Digital. The duopoly dominate the hard disk drive market, and have ridden a boom in demand for the affordable data storage devices to gains of more than 200% in 2025.

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