Yahoo Finance quotes read at 21:23 UTC on 29 October 2026 show nine of the ten companies whose results we covered tonight trading below their regular-session close after hours, with Rivian the only one higher.
By our arithmetic, using each company’s latest share count, the ten moved by a net $290.8 billion of market value, and Amazon ($170.3 billion) and Intel ($95.8 billion) account for $266.1 billion of it, about 91.5%.
Short explainer · Tonight’s after-hours moves
A vertical news Short narrated from the headlines and opening lines of this piece and three related pieces.
Business Pill · Free Cash Flow
An evergreen Business Engineer explainer on free cash flow. It teaches the general idea only and does not discuss any company in this piece.
The key insight: By our arithmetic, two of the ten companies, Amazon and Intel, make up about 91.5% of the net $290.8 billion after-hours move, even though four smaller reporters fell by more than Amazon in percentage terms.
Amazon closed the regular session at $243.79 and traded at $228.00 at 21:23 UTC, down 6.5%; its after-hours low on Yahoo’s one-minute bars was $215.00 at 20:02 UTC, about 11.8% below the close. Our piece on the results was headlined “Amazon’s Ad Miss Was 1.7x Its AWS Beat as Shares Slid”.
Intel closed at $92.07 and traded at $73.80 at 21:23 UTC, down 19.8%. Our piece on its results was headlined “Intel’s AI Unit Earns $3B, More Than PCs, as Sales Jump 78%”. For Intel we used its third-quarter basic weighted average of 5,244 million shares, because the July 10-Q cover predates its $23 billion equity offering.
After-hours moves against the 29 October close for the ten companies whose results we covered tonight, from Yahoo Finance quotes read at 21:23 UTC (GoDaddy last traded 21:14 UTC). Percentages and market value changes are our arithmetic from each company’s latest reported share count.
What Was Posted on X
today’s after hours is the ugliest print of Q3 earnings so far
amazon, that small $2.7T company, wicked down 12% within seconds of the print
intel went down 17%
pinterest, roblox, reddit all down 15-20%
then binance rumors of getting hacked for $2B and $btc wicks below $79K for the first time since september
@amitisinvesting on X, 29 Oct: “today’s after hours is the ugliest print of Q3 earnings so far”, with Amazon “down 12% within seconds of the print” and “intel went down 17%”.
The Rest of the Board
Twilio fell 17.9% (about $6.7 billion), Roblox 17.7% (about $6.7 billion), Reddit 16.6% (about $4.1 billion) and Pinterest 12.1% (about $1.4 billion) at the 21:21 to 21:23 UTC reads. Sandisk was down 2.8% (about $5.4 billion), Coinbase 2.5% (about $1.1 billion) and GoDaddy 0.8% (about $0.1 billion, last trade at 21:14 UTC).
Rivian was up 4.5%, about $0.8 billion, at $11.97 against an $11.45 close.
Investor account @amitisinvesting wrote on X at 21:05 UTC that “today’s after hours is the ugliest print of Q3 earnings so far”, that Amazon “wicked down 12% within seconds of the print” and that “intel went down 17%”. On Yahoo’s bars, Amazon’s low was about 11.8% below the close at 20:02 UTC, and Intel was down 19.8% by 21:23 UTC.
The same post said Pinterest, Roblox and Reddit were all down 15% to 20%; at the 21:22 to 21:23 UTC reads Roblox was down 17.7%, Reddit 16.6% and Pinterest 12.1%, with Pinterest’s after-hours low about 14.0% below its close.
The Structural Read
As we read the board, the percentage moves and the dollar moves tell different stories: Twilio, Roblox and Reddit fell between 16.6% and 17.9%, while Amazon’s 6.5% move was the largest in dollars.
As we read the quotes, the snapshot can change: Amazon’s after-hours low was about 11.8% below its close at 20:02 UTC, and it was down 6.5% by 21:23 UTC.
As we read the share counts, Intel’s figure uses its third-quarter basic weighted average because its July 10-Q cover predates its $23 billion equity offering; the other nine use each company’s latest cover count.
@amitisinvesting on X, 29 Oct 2026
“today’s after hours is the ugliest print of Q3 earnings so far”
Three Implications
FOR AMAZON By our arithmetic, its $170.3 billion move at 21:23 UTC is the largest in dollars on the board.
FOR INTEL By our arithmetic, the 19.8% move at 21:23 UTC equals about $95.8 billion, using its Q3 basic weighted average share count.
FOR THE SMALLER REPORTERS By our arithmetic, Twilio, Roblox, Reddit and Pinterest together moved about $18.9 billion, about a ninth of Amazon’s move.
The framework sets out to map the financing of AI: “How the money flows, where it cracks, what it buys, who can absorb it, and what happens when revenue can’t catch up.”
The framework was published in May 2026 and does not discuss tonight’s results or share moves.
After-hours trading is thin and prices can move before the regular session opens; every figure here is a snapshot at the stated UTC time. Market value changes multiply the price move by each company’s latest reported share count and are our arithmetic, not company figures. The post also mentioned an unconfirmed report about a crypto exchange, which we did not verify and do not include.
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At 21:23 UTC, nine of the ten reporters we covered tonight were below their closing price after hours, and by our arithmetic the ten moved by a net $290.8 billion of market value, with Amazon and Intel making up about 91.5% of it.
A note on sourcing. Prices come from Yahoo Finance one-minute quotes, including after-hours bars, read at 21:23 UTC on 29 October 2026; share counts come from each company’s latest 10-Q or 10-K cover (Intel: its Q3 basic weighted average). Percentages and market value changes are our arithmetic. After-hours prices are thin and can change before the open.
Gennaro Cuofano is a CRO and tech executive who has worked in AI since late 2015, starting with bringing NLP, natural-language generation, voice and chatbot products to the marketing industry. His background is in law and finance: he holds a Master's degree in Law and an International MBA with an emphasis on corporate finance (LUISS Business School and the University of San Diego, 2012), and worked as a financial analyst at a real-estate investment firm in San Diego and as an assistant controller. His work focuses on business model strategy, business engineering and, more broadly, structural analysis: how companies make money, read from their own filings. He created FourWeekMBA and leads research there and at The Business Engineer, his newsletter on AI and business strategy, with over 95,000 subscribers and more than 1,000 published analyses. His writing has also appeared on Entrepreneur (for example, How to Digitize a Family Business in Europe) and HackerNoon. Find him on LinkedIn and Substack. See how we source.
