Global bond markets entered October with yields near multi-year highs as investors continued to reassess inflation, government borrowing and the outlook for interest rates. The benchmark U.S. 10-year Treasury yield briefly reached about 5.34% on October 1, its highest level since 2002, before easing as buyers returned to the market.
The move was part of a broader repricing. Bond markets in Britain, France and Japan also remained under pressure, reflecting concerns that elevated energy costs could keep inflation persistent while governments continue to issue large volumes of debt. Higher yields increase financing costs for businesses, households and governments, and they can reduce the valuation support available to long-duration assets such as technology companies.
Equities nevertheless proved more resilient than bonds. Micron Technology provided a significant source of support after reporting stronger-than-expected results and offering an upbeat outlook tied to artificial-intelligence demand. The company also disclosed roughly $32 billion in customer commitments under supply agreements, reinforcing expectations that memory chips will remain strategically important as data-center operators expand computing capacity.
The market reaction illustrates the unusual structure of the current investment environment. AI-related capital expenditure continues to support semiconductor demand, equipment orders and data-center construction, but that expansion is taking place while the cost of capital is rising. The result is a more selective market in which companies with visible revenue growth and firm customer commitments may attract support even as broad equity multiples face pressure.
For institutions, the key issue is not simply whether bond yields rise or fall on a single session. It is whether higher real and nominal rates become a durable constraint on corporate investment, public finances and asset allocation. If inflation expectations remain elevated, central banks may have less flexibility to ease policy even if economic growth slows. That would keep the competition between defensive fixed-income assets and high-growth technology exposures at the center of global markets.
Micron’s results do not resolve that tension. They do, however, show that the AI infrastructure cycle remains powerful enough to influence market direction beyond the technology sector itself. Investors and corporate treasurers will continue to watch whether demand for chips, servers and electricity can justify the cost of financing the next phase of expansion.
Sources: - https://ca.marketscreener.com/news/bonds-fend-off-bears-micron-results-boost-tech-stocks-ce785ad3d088f621 - https://www.streetinsider.com/Reuters/Dow%2Bfutures%2Bhit%2Bthree-month%2Blow%2Bas%2Byields%2Bsurge%2C%2BMicron%2Bearnings%2Boffer%2Bsupport/27130378.html