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Matt Phillips9/24/25

Momentum stocks sputter, weighing on markets

Risky momentum stocks that retail traders piled into this year sputtered on Wednesday, throwing a bit of sand in the market rally.

Recent retail favorites like Rocket Lab, Hims & Hers, Palantir, Oklo, and SoundHound AI — all members of Goldman Sachs’ thematic basket of “high beta momentum stocks” — were in the red on the day, with little specific company news, suggesting the pullback is more about the market rethinking a broad-based trade rather than expressing specific concerns about individual companies.

Shortly before 1 p.m. ET, the iShares MSCI USA Momentum Factor ETF was down 0.7%, its worst day since late August.

Why is momentum suddenly sputtering? That’s the tricky bit.

The current crop of momentum stocks tends to be stocks with very high valuation ratios, suggesting that the traders buying them are betting their earnings will come far in the future rather than any time soon. (That is, of course, if they’re not just buying them based on the fact that they’ve gone up a lot.) But it’s impossible to say exactly why the momentum trade is fizzling a bit today.

It could be that after a giant romp — Rocket Lab, for example, is up almost 50% over the last three months — these stocks just need a breather.

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Meta shares rally as Jefferies says it’s a bargain relative to Mag 7 peers

Shares of Meta rallied over 5% today, as Jefferies analyst Brent Thill doubled down on his buy rating for the company, calling the stock a relative bargain compared to its Magnificent 7 peers. The analyst set a price target of $910, well above the $645 where the stock is trading today.

News out of Davos this week that Meta’s first models from its revamped AI teams are “very good” align with Thill’s argument that the company is well positioned to get back in the AI race with the “all-star model,” which is expected to be released in the first half of the year.

Recent cuts to its Reality Labs also signal that the company is focusing its spending where it matters. The Jefferies note also said the recent monetization of Threads via ads will help boost revenue.

Next week, Meta reports its fourth-quarter earnings, and Thill expects that even if Meta raises its 2026 capex outlook, investors won’t be spooked, as the company has been clear that spending may continue to be high.

Recent cuts to its Reality Labs also signal that the company is focusing its spending where it matters. The Jefferies note also said the recent monetization of Threads via ads will help boost revenue.

Next week, Meta reports its fourth-quarter earnings, and Thill expects that even if Meta raises its 2026 capex outlook, investors won’t be spooked, as the company has been clear that spending may continue to be high.

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Matt Phillips3h

Arista Networks rips higher amid jump in call buying

Arista Networks, a maker of switches and other networking equipment used in AI data centers, was on track for its best day of the new year on Thursday as options traders went bullish on the stock.

As of around 11 a.m. ET, there was nearly twice as much call buying in Arista than its 10-day moving average for a full day of activity. Buying call options to make leveraged bets on price increases has been a favorite trading tactic of retail traders in recent years.

Otherwise, there weren’t clear headlines tied to today’s outsized move, but the stock has been getting attention lately: in a note published earlier this month, Goldman Sachs analysts spotlighted Arista as a top tactical trade for earnings season, saying the shares — which they rate a “buy” — could rise 20% over the next year.

“ANET is well positioned amidst ongoing data center spending growth, where its position as a best of breed provider of networking equipment should advantage the company, particularly as data center networks become increasingly complex,” Goldman analysts wrote in the January 8 report.

And recent reports also say Microsoft — which accounted for 20% of Arista’s revenue in 2024, according to Goldman Sachs — is planning a massive expansion of its Wisconsin data center project.

Arista stock did get a lift following the release of solid US economic numbers at 8:30 a.m. that seemed fairly specific to Arista itself. (There was no similar bounce from competitors like Cisco or Hewlett-Packard.)

Microsoft receives preliminary approval for $13.3B data center expansion in Mount Pleasant - Milwaukee Business Journal

Microsoft receives preliminary approval for $13.3B data center expansion in Mount Pleasant - Milwaukee Business Journal

Otherwise, there weren’t clear headlines tied to today’s outsized move, but the stock has been getting attention lately: in a note published earlier this month, Goldman Sachs analysts spotlighted Arista as a top tactical trade for earnings season, saying the shares — which they rate a “buy” — could rise 20% over the next year.

“ANET is well positioned amidst ongoing data center spending growth, where its position as a best of breed provider of networking equipment should advantage the company, particularly as data center networks become increasingly complex,” Goldman analysts wrote in the January 8 report.

And recent reports also say Microsoft — which accounted for 20% of Arista’s revenue in 2024, according to Goldman Sachs — is planning a massive expansion of its Wisconsin data center project.

Arista stock did get a lift following the release of solid US economic numbers at 8:30 a.m. that seemed fairly specific to Arista itself. (There was no similar bounce from competitors like Cisco or Hewlett-Packard.)

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Investors just made a mammoth $133 billion flip from cash to stocks, per Goldman Sachs

It’s a dash from cash, with investors taking billions in dry powder and pouring that money into the stock market.

“We saw strong net flows into global equity funds last week, led by stronger inflows into US and EM equity funds (+$71 billion vs $2 billion in the previous week) — more than 35x-ed the flows,” wrote Goldman Sachs’ Gail Hafif, Brian Garrett, and Lee Coppersmith. “While equity flows increase, money market fund assets fell by $62 billion. This is the 3rd largest level in our dataset (!).”

Goldman cash to stocks flows

The trio is bullish on US stocks, seeing “the case for contained selloffs coupled with relief rallies as the most likely path forward in the near term.”

Retail traders’ monthly appetite for stocks ascends to fresh record

“The current ‘new year’ momentum has been sustained and has now pushed retail activity to an all-time high on a rolling monthly basis,” according to JPMorgan.

BRITAIN-LONDON-FIREWORKS-NEW YEAR-CELEBRATION

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J. Edward Moreno4h

Moderna extends rally on positive cancer vaccine results

Moderna has more than doubled since it announced on Tuesday that its cancer vaccine reduced the risk of relapse or death for melanoma patients.

The five-year data from a Phase 2b trial showed that Moderna’s vaccine, when used with Merck’s blockbuster treatment Keytruda, reduced the risk of recurrence or death by 49% compared with Keytruda alone. The news gave investors hope that Moderna, which is best known for quickly developing a COVID-19 vaccine, may soon have another lucrative product in its portfolio.

Last week, Moderna said it expects to report total 2025 revenue of $1.9 billion, on the high end of its latest guidance of between $1.6 billion and $2 billion, amid better-than-expected vaccination rates. As demand for the COVID-19 vaccine, its sole revenue-generating product, has tanked, the company has aggressively cut costs and focused on expanding its portfolio.

The combination of positive announcements early in the year has made Moderna the second-best performer in the S&P 500 Index in 2026, behind newfound AI darling Sandisk.

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