
The AI Trade Hit a Speed Bump. Wall Street Turned It Into a Pileup.
Why stocks soared Wednesday, sank Thursday, and what the whiplash means for a retirement account. (Part 1 of 3)

Wednesday, Wall Street threw a party. Thursday, it started arguing over the bill.
The day after the midterm elections, the Dow jumped more than 1,500 points. The next day it gave all of that back and more, and chip stocks had their worst day since the COVID crash of March 2020.
If you are near retirement and watched that whiplash, your stomach probably dropped with the market. That reaction makes sense. Let's walk through what happened.
This is Part 1 of a three-part series running on consecutive days. Today: what happened, and what it means for you. Tomorrow: the money behind the AI boom. The day after: the policy fight ahead, and how we are approaching it.
What Happened
Wednesday: Relief
Democrats won control of both the House and the Senate, and investors welcomed a clear result. President Trump said he would accept the outcome, and U.S. crude oil fell more than 8%. The Dow rose 1,569 points, or 3% [CNBC, 2026-11-04].
But AI stocks were already slipping underneath. Nvidia fell about 3% that day [CNBC, 2026-11-04]. Wednesday was a vote for the rest of the market, not for AI.
Thursday: The AI Problem Became Everyone's Problem
Then investors read the fine print. Texas governor-elect Gina Hinojosa has pledged to pause approvals of new data centers until the state passes protections for ratepayers and the power grid [CNBC, 2026-11-04]. Senator Bernie Sanders renewed his call for a national data-center moratorium [CNBC, 2026-11-05]. And the new Congress may push developers to pay more of the power, water and grid costs their projects create [Brookings, 2026-11-04].
None of that is law yet. But the AI boom runs on building data centers, the huge warehouses of computer chips that use enormous amounts of electricity. Anything that could slow the building puts the whole trade in question.
Here is how Thursday closed [CNBC, 2026-11-05]:
Index | Thursday, November 5 |
|---|---|
Nasdaq Composite | −5.52% |
S&P 500 | −4.36% |
Dow Jones Industrial Average | −3.44% (−1,833 points) |
Russell 2000 (smaller companies) | −4.45% |
A widely followed chip-stock index fund | More than −12% |
All three major indexes had their worst day since April 2025, and the Nasdaq slipped into a correction, about 12% below its October record [CNBC, 2026-11-05].
Why the Fall Was So Fast
The election gave investors a reason to sell. The way the AI trade was owned turned that selling into a stampede. Individual investors were on pace for their biggest day of single-stock selling since the COVID crash, and hedge funds crowded into the same AI stocks all headed for the same exit [Reuters, 2026-11-05].
"Leveraged" funds made it worse. These funds promise two or three times an index's daily move. To keep that promise, they must sell more as the market falls, mostly near the closing bell. One major bank estimated they could need to sell about $47 billion of stock into Thursday's close [Reuters, 2026-11-05]. Selling created more selling.
The Cracks Started Before the Vote
Here is the part most headlines missed. On October 30, a week before the election, the Nasdaq 100 fell 3.5% and chip stocks dropped 7.2% after disappointing earnings from Intel and Amazon. October was the Nasdaq 100's worst month since March 2025 [ANI, 2026-10-31; Asianet Newsable, 2026-10-31]. The election did not create the doubt. It struck a match near something that was already dry.
The Weekend: Nvidia's CEO Under Investigation
Friday brought a partial bounce, with the Nasdaq up about 1.1% [Fox Business, 2026-11-06]. Then, on Sunday, Nvidia's board announced an independent investigation into its CEO, Jensen Huang. Huang acknowledged a romantic relationship with a Chinese businesswoman who, according to The New York Times, U.S. intelligence has concluded was working for China's spy agency. China's government denies she is a spy, and none of it has been tested in court. "There is no excuse for what I did," Huang wrote to employees. The board said it has no reason to believe national security or company secrets were compromised, and Huang remains CEO [AP, 2026-11-08; Nvidia board statement via CNBC, 2026-11-08; The New York Times, 2026-11-09].
U.S. officials, including Secretary of State Marco Rubio, had warned about the relationship before it became public. Republican leaders of three House committees have asked Huang for a closed-door briefing, and President Trump said Huang should stay on as CEO [The New York Times, 2026-11-09].
Monday: A Key-Man Question
The Nvidia news broke three days after Thursday's drop, so it did not cause it. But it raised what Wall Street calls key-man risk: what happens when a company leans heavily on one person. Huang personally oversees several dozen top executives and has no clear successor. And Nvidia does not just sell chips to the AI industry; it invests in, and lends to, many of its own customers [The New York Times, 2026-11-09]. A lot of the AI economy rests on one set of shoulders.
On Monday, Nvidia shares fell as much as 8.8% during the day while the broader market rose [Bloomberg, 2026-11-09]. NVDA closed Monday down -4.67%. [Trading View].

What Does It Mean for Me?
Your "Diversified" Fund May Be More of an AI Fund Than You Think
Many retirement savers think, "I own an S&P 500 index fund, so I'm diversified." You do own 500 companies. But they are not weighted equally. The ten largest make up well over a third of the index, and most are deeply tied to AI [S&P Dow Jones Indices fact sheet — INSERT before push]. When AI stocks fall, your "whole market" fund falls with them. And this week showed that concentration is not only about companies. Part of a typical retirement account can ride on one executive's choices.
A Drop Near Retirement Hits Differently
At 35, you have decades to wait out a 4% day. At 62, timing matters. If you are drawing income from your portfolio, a decline can force you to sell shares at low prices to pay the bills, and those shares are not there for the recovery. Planners call this sequence-of-returns risk. If you are still working and not withdrawing, a drop hurts but is recoverable. The real danger is a drop that collides with withdrawals.
The math works against you on the way back, too. A 10% loss needs an 11% gain to break even. A 20% loss needs 25%. A 50% loss needs 100%.
The Case That This Went Too Far
Several large Wall Street firms think the selloff was overdone. Morgan Stanley argued that some data-center projects will likely slip from 2028 to 2029, not that the AI buildout gets derailed [Reuters, 2026-11-09]. That is a forecast, and forecasts can miss in either direction. But AI demand did not vanish last Thursday. What changed is how much investors will pay, and how sure they are about the timeline. The word for that is repricing.
How We're Approaching It
Rules Over Reactions
Days like Thursday are when people make their worst money decisions. Fear says sell everything. Hope says buy the dip. Both are guesses. Our rules-based system monitors risk throughout every trading day and adjusts positioning as conditions change, instead of waiting for a quarterly meeting or the next headline. Monitoring narrows exposure; it does not eliminate it — no system does — and we take every measure practicable.
The Whole Picture, Not Just the Portfolio
A market drop is also a planning question. How much income will you need over the next few years? Where will it come from if stocks are down? Do your beneficiary designations still match your estate plan? We handle investments, tax planning and estate planning under one roof, so those answers get looked at together.
Tomorrow, Part 2 follows the money: who is paying for the AI boom, and why that financing is starting to show strain.

Take Action
If this week raised questions about your own portfolio, such as how much of it is riding on AI, or whether your retirement income plan can handle a rough stretch, let's talk. Reply to this email, call the office, or schedule a review here. For direct contact: [email protected].
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Wallace R. Nichols, MBA, JD, CFP® Chief Investment Officer Asset Guidance Group, LLC
