Barron's Weekend Summary: The S&P 500’s apparent resilience conceals an extraordinary internal divide
COVER
-The S&P 500’s apparent resilience conceals an extraordinary internal divide: the cap-weighted index lost only 0.5% in September and remains less than 1% below its August record, while the equal-weighted index fell 5% and was headed for a seventh consecutive weekly decline, something seen only twice since 2000. Technology and communications were the only sectors to rise; Meta Platforms alone, up 27% in September, added about 0.6 percentage point to the S&P 500. Yet Barron’s argues this narrowness is less ominous than it looks. Nvidia and Meta valuations have fallen despite their gains, unlike the valuation explosion of the dot-com era. Investors appear to be discriminating among AI winners and losers rather than blindly chasing technology. With S&P 500 third-quarter earnings expected to rise 29%, valuations lower, investor sentiment deeply negative and the midterms approaching, easing bond and oil pressure could produce a powerful year-end rally. One bullish scenario puts the S&P 500 at 8,000, about 4.4% above Thursday’s close.
INTERVIEW
-No update
TECH TRADER
-Micron Technology serves as a test of whether the memory business has genuinely changed or investors are simply watching another spectacular cycle approach its peak. Fiscal fourth-quarter sales jumped 379% and gross margin reached an extraordinary 87%, while the stock trades at only 6.4 times projected earnings despite Wall Street expecting fiscal 2027 earnings to rise 126%. The skepticism is historical: memory prices and inventories have repeatedly produced brutal boom-bust cycles, and Micron recorded negative gross margins throughout calendar 2023. This time, however, data centers generate 63% of sales, versus roughly 25% during the previous upcycle, giving Micron much better visibility into demand. It has also signed 26 long-term contracts with pricing protections and take-or-pay provisions covering more than a third of expected sales through 2030. CEO Sanjay Mehrotra expects memory supply to become even tighter in 2027 and 2028. Barron’s argues that investors may need to see Micron survive the eventual downturn without another collapse in prices, revenue and margins before rewarding it with a higher valuation
THE TRADER
-The stock market has absorbed a remarkable collection of headwinds, from surging Treasury yields and expensive oil to geopolitical tension, yet investors are already looking toward third-quarter earnings for the next catalyst. Micron Technology offered an early taste with its blockbuster Sept. 30 report, while analysts expect another unusually strong quarter once the major banks begin reporting Oct. 13. The economic backdrop also became slightly friendlier Friday: September payrolls increased only 29,000, well below expectations, reducing concern that the Federal Reserve will raise rates again this month. The S&P 500 rose 0.7% Friday and the Nasdaq 1.2%, although both the S&P and Dow still finished lower for the week. Barron’s central argument is that earnings may again shift attention from macro anxiety toward corporate profitability, particularly if AI-related spending continues producing outsized growth.
FEATURES
-Quantum computing is beginning to cross from laboratory promise into an investable commercial industry, with Quantinuum’s IPO and a wave of new listings providing the clearest evidence yet. Barron’s points to competing approaches from IBM, IonQ, Microsoft, Nvidia and others, while emphasizing that no dominant architecture has emerged and error correction remains the central technical obstacle. The likely near-term model is hybrid computing, where quantum processors work alongside conventional CPUs and GPUs rather than replacing them. That helps explain IonQ’s push into networking, sensing, security and manufacturing, and the broader effort to integrate quantum hardware with Nvidia-style computing infrastructure. The investment opportunity is potentially enormous, particularly in drug discovery, materials science, optimization and cryptography, but Barron’s cautions that commercialization remains early and many pure-play valuations already assume substantial technological progress.
-President Trump’s continuing investigation of former Federal Reserve chair Jerome Powell may complicate his effort to reshape the central bank. Powell’s chairmanship ended in May, but his term as a governor runs until January 2028, and Barron’s argues the pressure gives him an incentive to remain rather than vacate a seat Trump could fill. Powell had previously indicated he would stay at least until the Fed inspector general completed its investigation of the $2.4B headquarters renovation. That report criticized serious management and cost-control failures but found no evidence of criminal or administrative misconduct; a separate criminal investigation had already been closed in April. With Kevin Warsh now chair, Powell’s continued presence could therefore matter for the balance of the seven-member board and the administration’s ability to alter the Fed’s direction
EUROPE
-uniQure suffered a devastating clinical setback after its experimental Huntington’s disease gene therapy AMT-130 failed to show a statistically significant benefit in a pivotal study, undermining what had been one of Europe’s most closely watched biotechnology stories. The result sharply reversed earlier enthusiasm around the one-time treatment and raised questions over both the program’s regulatory path and the reliability of comparisons with external control groups in rare-disease trials. The failure is particularly painful because Huntington’s has no therapy capable of altering the underlying course of the disease, and AMT-130 had generated considerable hopes that gene therapy could finally change that. For investors, the trial removes much of the value previously attached to uniQure’s principal pipeline asset and leaves the company facing a far more uncertain future.
COMMODITIES
-Uranium Energy initially jumped nearly 8% after highlighting rising US government demand for domestically produced uranium, but the enthusiasm faded after it reported a fiscal fourth-quarter loss of $0.12 a share, versus $0.06 a year earlier and the $0.04 loss analysts expected. The operational picture was stronger: uranium production rose more than 150% sequentially to 82,744 pounds while total cost per pound fell 33%. The larger story is strategic. The US government is seeking roughly 4M pounds annually of domestically mined, refined and converted “unobligated” uranium for defense purposes beginning as early as 2030. Uranium Energy has opened a second US mine in Texas, is developing a third in Wyoming and is pursuing refining and conversion facilities that could eventually make it the country’s only vertically integrated uranium producer. The shares remain down about 22% this year.
EMERGING MARKETS
-Argentina’s economy is losing momentum after Javier Milei’s initial stabilization successes. Inflation remains around 30%, poverty is rising again, real wages are stagnant and unemployment is increasing, while this year’s 2%-3% growth is concentrated in oil, mining and agriculture, sectors that generate relatively few jobs. Political difficulties have also delayed tax and pension reforms, and Argentina missed an earlier opportunity to return to international bond markets at roughly 9% yields; borrowing would now cost closer to 11%. Benchmark 2038 bonds have fallen from 83 cents to 74 cents on the dollar in two months. Barron’s nevertheless finds the debt potentially attractive because Argentina’s fiscal position is unusually strong relative to similarly rated sovereigns and yields exceed Ecuador’s by about one percentage point while approaching Gabon’s.
STREETWISE
-Persistent AI agents could become the next major platform shift, moving beyond chatbots by working continuously in the background, learning users’ preferences and actually completing tasks such as shopping, booking appointments, moving money and canceling subscriptions. Meta Platforms’ Muse has already rattled exposed businesses: Planet Fitness and Sirius XM are down 19% and 13% since its launch, while Airbnb, Booking Holdings and Charles Schwab have also fallen as investors contemplate automated comparison-shopping and account switching. The potential prize is enormous, with Barclays estimating as much as $10T of stock-market value at stake. The contest will revolve around trust, access to personal-data “connectors,” payments and cost: Meta has the early-mover advantage, while Apple, despite lagging badly with Siri, possesses enormous advantages in consumer trust, Apple Pay and 2.5B installed devices. Barclays estimates persistent agents cost about $4 per user monthly to operate, roughly 10 times a chatbot, making monetization crucial.
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