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Luke Kawa

US stocks sink; Nvida’s tumble overshadows financials’ gains

The S&P 500 sank 0.5% and the Nasdaq 100 fell 1.4% as tech stocks dragged down the major indexes. The Russell 2000 was spared any damage, up 0.4% on the day.

Tech was the worst-performing S&P sector ETF, slumping 2.5%. Financials, meanwhile, gained 1.2%. It’s the first time tech was down 2.5% and financials were up at least 1% since December 16, 2021.

Nvidia was a millstone around the neck of the US stock market, slumping 7% for no apparent reason.

Mercifully, there was a lot of news behind some of the session’s other big movers.

First, the good: Better than expected earnings and a boost to its full-year earnings forecast sent shares of Stanley Black & Decker 10% higher. 

Investors also cheered PayPal’s higher earnings forecast and plan to buy back more stock, sending shares 8.6% higher.

Phillips 66 gained 4.8% after the oil refiner crushed Wall Street’s expectations on free cash flow and earnings.

On the other side of the spectrum, Merck was the worst S&P 500 constituent, tanking 9.8% after lowering its full-year profit guidance and citing a “surprising” softness in Chinese sales for its HPV vaccine.

CrowdStrike slump continued, with shares down 9.7% amid reports that Delta Air Lines is seeking damages following its massive outage. The stock is down about 40% since it more or less broke the internet earlier in July.

Consumer staples stalwart Procter & Gamble sank 4.8% after poor sales growth, the latest in a series of companies plagued by increasingly price-sensitive consumers.

Corning nearly gave back all its gains since July 8, when management talked up how AI was enhancing demand for its fiber optic solutions, after providing a third-quarter sales outlook that fell shy of analysts’ projections. The stock fell 6.9%.

Lumen Technologies was the standout positive outside the S&P 500, gaining 38%. The company has booked access to Corning’s fiber capacity to support AI-enabled data centers, one week removed from its partnership with Microsoft.  

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Arista Networks Reports Q3 Earnings

Arista Networks beats expectations, but stock dives on mediocre guidance

All those data centers are going to need a lot of switches and routers as well as GPUs.

markets

AMD posts top- and bottom-line beat in Q3 with Q4 sales guidance ahead of estimates

Advanced Micro Devices reported third-quarter results that exceeded analysts’ expectations on the top and bottom lines, with guidance to match.

  • Adjusted diluted earnings per share: $1.20 (compared to an analyst consensus estimate of $1.17)

  • Revenue: $9.25 billion (estimate: $8.74 billion, guidance: $8.4 billion to $9 billion)

  • Data center revenue: $4.34 billion (estimate: $4.14 billion)

  • Adjusted gross margin: 54% (estimate: 54%, guidance: 54%)

Its Q4 guidance for sales of $9.3 billion to $9.9 billion was strong relative to the anticipated $9.2 billion, while its adjusted gross margin outlook of 54.5% is bang in line with estimates.

Even so, shares are off about 2% in after-hours trading as of 4:24 p.m. ET.

“AMDs strong 3Q sales beat and 4Q outlook were likely driven by stronger PC and server CPU demand — similar to Intels results — along with continued share gains,” Bloomberg Intelligence analysts Kunjan Sobhani and Oscar Hernandez Tejada wrote. “The GPU ramp-up remains ahead of expectations, aided by a gaming rebound.”

AMD has had a high-profile Q4 so far, striking a megadeal with OpenAI that its CFO said “is expected to deliver tens of billions of dollars in revenue.” That announcement prompted more than 20 price target hikes from Wall Street analysts in a 24-hour span.

The company followed that up with a pact with Oracle, which said it would deploy 50,000 of AMD’s new flagship chips in data centers starting in the second half of next year. On the upcoming conference call, the Street will be looking for as much color as possible on the sales outlook for those MI450 chips.

Ahead of this release, Morgan Stanley analyst Joseph Moore wrote:

“The focus should remain on MI450. AMDs rack scale solution shipping next year is the key, and we are excited to see what the company can do. Its still early to make market share assessments, and while the Open AI agreement is clearly an accelerant, the reliance on cloud providers to ramp those 6 gigawatts still creates some uncertainty. Ultimately, to drive share gains, the company will need to provide better ROI than NVIDIA can offer, and customers still raise questions about that given lower rack density and the need to resolve ecosystem issues.

The chip designer was the third-best-performing member of the VanEck Semiconductor ETF in 2025 heading into this report, with shares having more than doubled year to date.

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