OMITTED

What the news leaves out.

← Omitted front page

Inflation Rises While AI Stocks Plunge

7 sources · updated 2026-10-17
Left 71% Center 14% Right 14%
5 left · 1 center · 1 right

What happened

In a week of selling concentrated in technology shares, the Nasdaq Composite fell about 4.5 percent, breaking a four-week winning streak, the S&P 500 declined about 2 percent, and the Dow Jones Industrial Average rose about 0.7 percent as investors rotated into healthcare, consumer staples, and other sectors less tied to artificial intelligence. September’s consumer price index rose 3.7 percent from a year earlier, above the 3.6 percent expected, including a 0.6 percent monthly increase, while the producer price index jumped 1.3 percent for the month and 6.3 percent over 12 months. Chipmakers extended a multi-day losing streak after Chinese memory-chip firm CXMT announced progress on a more efficient chip structure; semiconductor ETFs posted their longest losing streaks in more than a decade, and CoreWeave, an AI infrastructure company with more than $51 billion in debt, fell about 25 percent as yields on its bonds rose and the cost of insuring that debt against default spiked. The 20 largest AI and chip stocks lost more than $1 trillion in market value over the week. Federal Reserve Chair Kevin Warsh, speaking at an International Monetary Fund meeting in Bangkok, declined to offer forward guidance on interest rates and described AI as potentially the most consequential change to the U.S. and global economy in his lifetime.
Sourcing check · Partly on the record · 7 articles

2 of 5 articles cite a named source for the story. It was on the record from the first report.

What these terms mean and how they're counted
On the record · names a source 2 of 5
On the record means the article cites a source by name for the story's main claim: a person, or an institution speaking officially, such as a company statement or a named agency's spokesperson. The opposite is an unnamed source. The count is how many of the counted articles cite at least one such source; the names are everyone named across them, each once however the articles spell it. Here: Ed Yardeni and Hock Tan
Primary evidence · cites a document or data 3 of 5
Primary evidence means the article cites a record you could check yourself: a court filing or ruling, a dataset or report, a recording or transcript, an official statement or press release, market data. A quote is not a document. The count is how many articles cite one. Here: market data, official statistics, company announcement, research report
Credits another outlet 0 of 5
The article says the story comes from another outlet's reporting (“first reported by Reuters”). Those articles relay the story; they are not independent confirmation. Here: Each article presents its own reporting.
Unnamed sources 1 of 5
The main claim is attributed to people who are not identified: “people familiar with the matter”, “officials said”. The count is how many articles do this.
How it developed
When the first report landed and whether it named anyone; when the first named source and the first document appeared. Here: First report Oct 14, 21:30 UTC by New York Times, naming its source. First document in the first report, from New York Times (market data).
Not counted 2
Opinion, analysis and video pieces, and articles too short to assess. Every count above is out of the counted articles. An article republished under a new headline is one article.
This is about who is cited, not whether the story is true. Each source below says what it names. How we count
Omitted — what each side leaves out

Unpacked

Left-leaning coverage casts last week's inflation print as a modest miss that shook a concentrated AI trade, while right-leaning coverage reports a monthly price jump spreading beyond energy — recasting the same selloff as a rates shock. CNBC said core inflation came in "slightly hotter" than anticipated and tied higher prices partly to oil. Breitbart put the monthly CPI increase at 0.6 percent and argued the damage was that inflation had moved into core goods, services, and nonfuel imports. Left-leaning coverage treats the week as a lesson in diversification. Right-leaning coverage treats it as inflation breaking out and stressing AI debt. CNBC's takeaway is that "only diversification could save your portfolio." Breitbart opens on inflation and reaches CoreWeave's credit default swaps later. What share of AI infrastructure spending is financed by high-yield debt that those inflation prints would reprice, rather than by cash-rich tech balance sheets?
Bottom line

Without the monthly CPI figure, CNBC's week reads as a crowded AI trade catching a cold. Breitbart's 0.6 percent monthly rise is what makes the same week a borrowing-cost problem.

The receipts — 2 facts one side's coverage lacks
  • A basket of 42 AI stocks generated 67% of the S&P 500's price return since the start of 2024 numberin CNBC · absent from right-leaning coverage
  • S&P 500 market breadth fell to its lowest level since the dotcom bubble contextin CNBC · absent from right-leaning coverage
The Left View
Left-leaning sources framed the selloff as a warning about extreme concentration in AI and mega-cap technology rather than a broad market collapse. CNBC reported that since the start of 2024 a basket of 42 AI stocks generated 67 percent of the S&P 500’s price return and that market breadth has fallen to its lowest level since the dot-com bubble, according to Goldman Sachs; DataTrek Research said the equal-weight S&P 500 has "consistently lagged" the cap-weighted index over almost any one-year holding period for nearly four years, leaving the cap-weighted benchmark "dramatically overweight" the tech sector. Todd Rosenbluth of TMX VettaFi said the answer is "mostly don’t just own an equally weighted ETF" but to combine cap-weighted and equal-weight holdings, and Todd Sohn of Baird Strategas said investors should surround an AI-heavy core with "low Tech, low correlation" alternatives. Jim Cramer’s CNBC Investing Club said the week "reinforced the importance of diversification," arguing that "when that group crashed to earth over the last few weeks, only diversification could save your portfolio," while pointing to Meta’s new AI-model launch, Microsoft’s first record close in nearly a year, and solid bank earnings as reasons that patience with high-quality names and a rotation beyond tech still offered opportunities. Bloomberg said investors were questioning whether AI infrastructure spending has "outrun the ability of firms to get a return on their investments."
The Right View
Breitbart’s Business Digest framed the week as "inflation week in America" in which price increases had "escaped the oil barrel" and were leaking into core goods, services, and import prices excluding fuel, with no end in sight to an oil shock that futures markets were pricing "higher for longer." It treated Warsh’s Bangkok remarks as an explicit refusal of forward guidance that markets nonetheless converted into confirmation of a rate hold, calling that "a dangerous game" that "is practically begging Warsh to surprise the market" with an unexpected October hike to reinforce credibility on price stability. On the AI selloff, it said bubble worries "took hold" after hotter inflation raised the cost of debt-financed buildouts, citing CoreWeave credit-default swaps that implied a roughly 63 percent probability of default over five years and bond yields near 16 percent. At the same time it argued that "the fundamentals in the larger AI complex still look sound," citing TSMC’s sixth straight quarter of record profit and 58 percent fourth-quarter revenue-growth guidance, a CoreWeave backlog of over $100 billion mostly with investment-grade customers, and Fed data showing semiconductor output growing at a 28.4 percent annual rate in the third quarter.
Our Take (balanced)
Left-leaning coverage is strongest on market structure: the share of S&P 500 gains coming from a small AI cohort, breadth at dot-com-era lows, and the week’s rotation into defensive sectors support the claim that portfolios concentrated in the AI trade were uniquely exposed when that group sold off. Right-leaning coverage is strongest on the inflation-and-credit channel: prints showing price pressures spreading beyond energy, together with the spike in CoreWeave default insurance and borrowing costs, support the claim that hotter inflation can choke a debt-financed infrastructure boom even when chip output and TSMC profits remain robust. The central unresolved tension is whether this episode is a concentration-driven shakeout inside a still-intact AI expansion, or the start of an inflation-and-leverage reckoning that the buildout cannot fund at the rates now implied.

7 sources

More stories

The week's bottom lines, in your inbox

One email a week: the five stories that mattered and what they actually mean. Free.