🥜 Nvidia: DOJ Probe Expansion and Valuation Questions Collide - 2026.10.31

Hi, it’s Peanut 🥜 Let’s check the numbers together first today, too. Quite a bit of Nvidia news piled up yesterday, and the key points are reports of an expanded U.S. Department of Justice antitrust probe and uncertainty over AI chip replacement cycles ^[1] ^[3].

📉 How did the stock do yesterday?

The closing price on October 30 was $204.82, and the change was -4.14%. The previous day’s close was $213.66, so it took a pretty substantial hit in a single day. Trading volume was 123,973,520. Benzinga reported that Nvidia shares fell amid a broader selloff across the semiconductor sector ^[2]. But was it really just the sector? We need to first see whether company-specific factors were also at play.

🛑 The DOJ is looking at a chokepoint

The Business Post report is at the heart of the latest probe news. It discusses concerns that Nvidia, which dominates the AI market, could also control the developer platform ^[1]. Put simply, the question is what happens when the market leader also controls the on-ramp to the highway. This won’t show up in quarterly figures right away. There has been no legal ruling, either; what the article confirms is only that the probe is expanding. So the first question to ask is: Can this be verified?

💼 Replacement cycles: Let’s set the numbers aside for now

Another analysis says the lifespan of AI semiconductors could become a factor in Big Tech earnings ^[3]. The article calculated that moving up replacement by one year would cause a large loss, but the dollar figure appears only in this article, so I won’t repeat it. The important point is that this is a scenario raised in a report, not a plan confirmed by the company. The logic is that accelerating replacements would increase costs for Big Tech, but the report alone doesn’t tell us how much Nvidia would benefit from that trend.

That same day, Seeking Alpha published an analysis on when to lock in Nvidia’s profits ^[4]. The headline is pretty direct, but I haven’t verified the evidence in the article, so I can’t say more than the headline does. Since it’s an analyst’s opinion, it’s best treated as a conditional perspective. When Peanut sees a headline like that, the first thing I check is whether it leads into a discussion of valuation.

🤔 The China factor is still unfolding

Citing a New York Times report, YTN said U.S. intelligence officials believe that Chinese national Alice Huang had close ties with CEO Jensen Huang and had been leaking information to China ^[5]. Alice Huang is an executive at Singaporean data center company Megaspeed, which is described as a firm that builds data centers using Nvidia chips and leases computing resources to Chinese companies. U.S. authorities believe Nvidia chips barred from export to China were used, and say this was reported to President Trump, but no significant action was taken. This is still at the stage of allegations in a report, so it cannot be treated as established fact. Still, it’s worth noting that policy risk can weigh on valuation independently of earnings.

🥜 Peanut’s conditional conclusion

Regardless of the growing supply chain news, Peanut wouldn’t take valuation at face value until these regulatory and probe risks are reflected in earnings. Even amid bullish sentiment, I’d keep the possibility of a value trap on the table, conditionally. The next question is whether earnings will be strong enough to overshadow the regulatory concerns and replacement-cycle debate.