Hot U.S. data sends Treasury yields to 2007 highs, triggering a tech pullback

Tide Research Stronger-than-expected U.S. economic readings re-priced rates and rattled risk assets. September's S&P Global flash composite PMI climbed to 58.4, the highest since July 2021, while input costs accelerated. Rate-hike expectations firmed, driving a sharp selloff in Treasuries and pushing the 10-year yield up nearly 14 basis points in one session to 5.106%—its highest level since 2007. Equities retreated as yields jumped. The S&P 500 fell 0.75% to 7,706.03, the Nasdaq slid 1.13% to 26,936.04—snapping a two-day winning streak after consecutive record closes—and the Dow declined 0.68% to 51,511.59. The VIX rose to 15.18. Semiconductors rolled over after a strong run. The Philadelphia Semiconductor Index dropped 1.19% to 12,538.33, ending its prior streak of gains. Among the "Magnificent Seven," Meta gained about 1%, with Microsoft and Tesla slightly higher. Alphabet sank 3.8%, Amazon fell 2.2%, NVIDIA declined roughly 1.5%, and Apple finished lower. The Nasdaq Golden China Index lost 1.34% to 5,768.42. Rates were the day's dominant driver. The 2-year Treasury yield rose 11 basis points to 4.891% and touched an intraday high of 4.947%, the highest since May 2024. The 10-year yield ended at 5.106%, marking the highest since 2007 and the biggest one-day rise since April 2025. Commodities swung back toward inflation risk. WTI crude rose 2.3% to $92.60 a barrel and Brent jumped 4.28% to $103.50. Spot gold fell 1.64% to around $4,283 as a stronger dollar and higher real yields weighed on non-yielding assets. Crypto assets were volatile: Bitcoin briefly dipped below $84,000 before returning near that level, while Ethereum fell below $2,700. PMI at a five-year high lifts October hike odds toward 70% The market pressure began with the data. September's U.S. S&P Global flash composite PMI rose to 58.4 from 56.0 in August, the strongest since July 2021. New orders accelerated, and input costs hit the highest level in nearly four years. With growth firming, rate futures moved to price nearly a 70% chance of another hike in October, up from about 53% during the session. Fed Governor Michael Barr echoed a hawkish tone, saying inflation risks are rising while employment risks are diminishing, leaving room for further policy adjustment. Treasury selling intensified after weak demand at the U.S. Treasury's $70 billion 5-year note auction, which cleared at the highest yield since 2007. What had been a macro backdrop—rates—became the primary trading variable. Muse ripple effects widen; travel platforms drop more than 7% Trading tied to "Muse" continued, but attention shifted from chip beneficiaries toward potential business disruption. After earlier gains in Meta and CPUs, then storage and optical communications, investors began targeting companies that could lose traffic entry points as agents are adopted more broadly. Expedia plunged more than 7% and Airbnb fell about 6%. The concern: Muse can search for hotels, compare prices, plan itineraries, and complete bookings, challenging the core search and distribution value of traditional travel platforms. Amazon slid 2.2% after previously moving to block Muse from directly accessing its shopping platform. The broader tension is straightforward—if agents decide what users buy, where they book, and which intermediary completes the transaction, the value of "traffic" and distribution shifts. Meta still finished up about 1%, bringing its weekly gain to more than 12%. Muse has moved from being a popular app to a full-fledged market theme, with investors simultaneously asking who can supply more computing power and who might see demand diverted first. Chip stocks pull back as AI trade enters a second round of selection Broad AI-linked hardware names softened. "Fei Ban" fell 2.03% and NVIDIA dropped about 1.5% as the week's earlier winners reversed. This move differed from last week's sharp drop tied to the AI safety controversy. Then, the market feared constraints on AI development itself. This time, the catalyst was the sudden jump in Treasury yields, reviving valuation pressure on high-multiple sectors. There is no clear sign of weakening in AI demand. Muse continues to add users quickly, and new order momentum has been emerging across storage, CPUs, and optical communications. The next phase may be more uneven: it will be harder for the entire supply chain to rise together. Profitability at the application layer, realizable hardware demand, and returns on capital spending are likely to separate winners from laggards. After the rapid rally, stock selection is becoming more critical. Oil back above $100 adds to inflation anxiety Over the prior two sessions, softer oil prices briefly eased pressure on tech. That support reversed. Iranian President Pezeshkian told the U.N. General Assembly that Iran would not yield to U.S. pressure, reducing the odds of a near-term U.S.-Iran agreement. Brent quickly rebounded above $100, leaving energy among the few S&P 500 sectors to finish higher. Strong PMI data alongside rising oil is a difficult mix for rates. With demand resilient and energy costs lifting corporate expenses, the Fed's inflation task looks tougher. The rise in the dollar and real yields also weighed on gold, overwhelming any partial safe-haven bid. Today's focus Markets will watch U.S. initial jobless claims and August new home sales. With last night's PMI pushing October hike odds higher, resilient labor and limited cooling in housing could keep Treasury yields elevated and continue to pressure tech. Darden Restaurants reports before the open; Costco reports after the close. Costco's member spending, average ticket size, and margins will offer a read on higher-income U.S. consumer conditions. For tech, attention remains on two questions: whether the 10-year yield can hold around 5.1%, and whether AI-trade dispersion persists. Muse has shifted from lifting chips to challenging travel and consumer platforms; capital is now hunting for the next set of beneficiaries—and potential losers.