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Luke Kawa

S&P 500 suffers worst loss of 2025 on tariffs and Nvidia-fueled sell-off

The S&P 500 tumbled 1.8%, its worst loss of 2025, as markets were hit with a vicious one-two punch of the continued plunge in momentum stocks and a real wake-up call on the reality of President Donald Trump’s trade policy. The Nasdaq 100 gave back 2.2% while the Russell 2000 slumped 2.8%.

Energy was the worst-performing sector amid OPEC+’s slightly surprising decision to begin returning oil to the market next month. Tech wasn’t too far behind. Some sources of relief on the tape were the typically defensive sectors: real estate, consumer staples, healthcare, and, to a lesser extent, utilities.

Nvidia tanked nearly 9% amid a chorus of bearish commentary from Goldman Sachs’ market desk, closing at its lowest level of 2025.

Intel initially surged after reports that Nvidia and Broadcom were exploring the idea of becoming customers to make advanced chips, but gave up all those gains and then some.

Sunnova Energy lost nearly two-thirds of its value after issuing the dreaded “going concern” notice.

The gains that various cryptocurrencies enjoyed after this weekend’s declaration of a Crypto Strategic Reserve all faded amid the sell-off in risk assets.

Kroger dropped after announcing the abrupt resignation of its CEO for a personal conduct violation.

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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 (estimate: $1.17)

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

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

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

Its Q4 guidance for sales of $9.3 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.

“AMD's strong 3Q sales beat and 4Q outlook were likely driven by stronger PC and server CPU demand — similar to Intel's results — along with continued share gains,” write Bloomberg Intelligence analysts Kunjan Sobhani and Oscar Hernandez Tejada. “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. AMD's rack scale solution shipping next year is the key, and we are excited to see what the company can do. It's 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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