NewsTradingSentimentCalendarCommunityBriefing
Markets

US Treasuries Hit Two-Decade Highs as AI Stocks Remain Resilient

By Markets Desk · 2026-09-17 · 2 min read
A stack of government treasury certificates resting on a wooden desk next to a calculator
Illustration: Tradingbird

US government bond yields reached nearly two-decade highs while the S&P 500 stayed near record levels, driven by artificial intelligence earnings.

US government bond yields reached nearly two-decade highs. The S&P 500 remained close to all-time records. This divergence creates a distinct market anomaly. Global debt levels have risen to unsustainable levels. The US carries $40 trillion in debt. Australia holds over $1 trillion in sovereign debt. Rising debt fuels inflation pressures. Higher inflation pushes bond yields upward. Typically, rising yields compress equity valuations. However, the US equity market defied this historical pattern.

The artificial intelligence sector provides the primary support for US stocks. Semiconductor firms like Nvidia reported strong earnings. These companies are central to the AI infrastructure buildout. The sector’s performance shields the broader market from yield headwinds. Australian shares have not seen the same lift. Local equities have flatlined due to lower AI exposure. The US market benefits from a concentrated wave of AI-driven profits. This creates a split performance between major Western markets.

AI Leaders Call for Development Slowdown

Leaders of major AI firms reached a rare consensus. Executives from Anthropic, OpenAI, and Elon Musk’s ventures urged caution. They called for a pause in development to implement safety measures. This request faces political resistance. Donald Trump opposes slowing AI progress. He cites the need to maintain a lead over China. The US government prioritizes technological dominance. This political stance supports continued rapid deployment. Safety concerns are currently secondary to competitive strategy.

Investors Bet on Productivity Gains

Cathie Wood forecasts a golden era for equities. She believes AI will drive significant productivity gains. These gains could lead to positive deflation. Lower costs across the economy would support growth. Her view dismisses safety warnings as politically motivated. She argues these concerns will not impede progress. Her main risk is opposition to data centers. Voters are worried about power and water consumption. This local resistance poses a tangible threat to expansion.

Market Shield Faces Inflation Test

Fund managers monitor the disconnect between bonds and stocks. Investors currently ignore higher bond yields. They rely on the AI sector’s profit strength. This shield may not hold indefinitely. Inflationary pressures could intensify. Central banks may face pressure to tighten policy. Rising rates could crack the current market structure. The endurance of this AI force field is under close watch. The market remains resilient for now. The underlying debt burden remains a long-term risk.

Based on reporting by sharecafe.com.au, compiled by the Tradingbird desk.

More from the Markets desk

All desk stories
  • A wooden gavel resting on a polished desk surface
    Illustration: Tradingbird

    Dollar Hits Seven-Week High After Fed Rate Hike

    The US dollar reached a seven-week high following the Federal Reserve's first rate increase in over three years. Short-term Treasury yields jumped, driving up the cost of borrowing.

    2026-09-17
  • A stack of foreign currency banknotes resting on a wooden desk next to a globe
    Illustration: Tradingbird

    Fed Hike Pressures Asian Currencies and Bond Yields

    The US Federal Reserve’s hawkish rate hike is set to weaken the Japanese yen and lift yields across Asia. Strategists warn that rising US Treasury yields will compress valuation cushions in regional equity markets.

    2026-09-17
  • A stack of gold coins next to a silver coin on a wooden desk
    Illustration: Tradingbird

    Dollar Hits Seven-Week High After Fed Hike

    The US dollar index reached 100.33, its strongest level since July 31. This move followed a unanimous Federal Reserve decision to raise interest rates.

    2026-09-17