Oct 19, 2026 · 44 min
Bond selling tests whether tech leadership can hold
Bond Market About To Flip: A Major Shakeup Is Coming | Jim Welsh
Rising yields, weak semiconductor leadership, and ambitious AI valuations could expose a broader market reversal if investor expectations outrun economic reality.
- 1Semiconductor weakness may be an early warning that the market’s narrow leadership is losing momentum.
- 2Higher rates, an oil shock, or slower AI spending could trigger a sharp decline despite modern crash protections.
- 3AI’s productivity promise faces a long adoption timeline that may not justify current valuations or spending expectations.
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Welsh argues that AI adoption may take years while current spending and valuations already price in rapid productivity gains.
The brief
On the anniversary of Black Monday, David Lin and Jim Welsh compare today’s rebound with 1987’s crash while questioning whether a narrow semiconductor-led rally can last.
Welsh treats prolonged semiconductor weakness as a possible warning for the broader market, then turns to rising Treasury yields and the global bond sell-off.
The bond discussion hinges on where displaced capital is moving—crypto, gold, and emerging markets—and whether weak buyer demand can push yields toward an inflection point.
Higher rates, an oil shock, and slower AI spending emerge as potential catalysts, while the Federal Reserve faces persistent inflation and uncertain productivity gains.
The sharpest tension arrives around AI: adoption may take years, yet investor expectations and valuations—especially around NVIDIA—already assume rapid economic benefits.
Welsh concludes that modern safeguards make a repeat of Black Monday less straightforward, but risks remain concentrated in bonds, rates, and technology stocks.
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