Long-end yields hit a 19-year high, dragging the AI trade down and the S&P 1.43%

The 30-year Treasury touched 5.33%, its highest since 2007; a one-day Treasury buyback pledge failed to hold, while gold rose 5.18%, WTI 5.15% and bitcoin roughly 20% as US debt crossed USD 40tn.

Deepakshi

Kristal Research & Marketing team

21 Aug2 min

Key takeaways — AI summary

The 30-year Treasury yield touched 5.33% on Tuesday, its highest since 2007, sending every Philadelphia semiconductor index constituent lower; the memory ETF fell more than 8% and the semiconductor ETF around 5% in a day as cheap debt underpinning the AI buildout repriced.
Wednesday's Treasury pledge to at least double long-end buybacks (from USD 2bn to at least USD 4bn per operation) flattened the curve for one session before the 30-year round-tripped; ING framed it as a dampener, not a change of trajectory, and US national debt crossed USD 40tn.
The S&P 500 finished down 1.43% at 7,674.37, snapping a three-week streak and sitting 1.6% below its August 13 record but still up 12.1% for the year; the Nasdaq 100 fell 2.45%.
Cross-asset moves diverged sharply: gold rose 5.18% to $4,661.60, WTI 5.15% to $86.64, and bitcoin climbed roughly 20% above $77,000 with about USD 2.75bn of bearish positions liquidated in 24 hours.
US economic data was strong—Philadelphia Fed manufacturing printed 47.4 versus 25.0 expected, the flash composite PMI hit a 52-month high of 56.0, and initial claims fell to 206k—even as housing starts tumbled 12.4% and oil pressured the consumer.

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