US stocks have hit several record highs this year on AI infrastructure spending, but the article argues these gains may be short-lived because of 'Trumpflation' and a new source of inflation. Annualized inflation rose to a three-year high of 4.2% in May, and the FOMC raised rates by a quarter point on Sept. 16. A New York Fed study found tariffs added 2.9 percentage points to goods price inflation by February 2026, and a 10% across-the-board tariff would lift consumer goods prices by 2.6% after one year. The Iran war and closure of the Strait of Hormuz, which disrupts about 20 million barrels of crude daily, are now spreading into core inflation through higher transport, shipping and supplier costs. Import prices for computer and electronic products rose 7.4% in the first six months of 2026, with an 8.0% annual jump, the largest on record, as AI demand for chips and memory raises costs. This could make the Fed's rate-hiking cycle harder and risk upending the AI-driven bull market.
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Related tickers and likely impact
QQQ
▼ Likely negativeInvesco QQQ Trust
Relevance: medium
| Market | US stocks |
|---|---|
| Sector | ETF |
| Close on 10/20/2026 | 717.63 |
| Change that session | -0.10% |
SPY
▼ Likely negativeSPDR S&P 500 ETF
Relevance: medium
| Market | US stocks |
|---|---|
| Sector | ETF |
| Close on 10/20/2026 | 769.05 |
| Change that session | +0.34% |
Impact is scored by AI from the headline and may be wrong. It is not investment advice.
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