Stock Market Today: Dow, S&P 500 and Nasdaq rise as semiconductor stocks rally; Treasury yields ease after 10-year rate climbed to highest since 2002
The Dow, S&P 500, and Nasdaq opened higher to start October 2026, driven by a rally in semiconductor stocks. Tech shares gained momentum following Micron earnings and the release of a new Alphabet AI model. While the 10-year Treasury yield recently reached its highest level since 2002, yields have since begun to retreat as buyers return to the market. This shift comes as investors process a soft September jobs report and monitor geopolitical tensions involving Iran's refusal to reopen the Strait of Hormuz.
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- ✓ The Dow, S&P 500, and Nasdaq opened higher at the start of October 2026.
- ✓ The 10-year Treasury yield reached its highest level since 2002.
- ✓ Micron earnings and a new Alphabet AI model contributed to the rise in tech shares.
- ✓ The Dow advanced 0.3% last week, ending a three-week decline.
What changed
Treasury yields retreated from their highest levels since 2002 as buyers returned to the bond market.
Live updates
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US Indices Rise as Semiconductor Stocks Rally and Treasury Yields Ease
The Dow, S&P 500, and Nasdaq opened higher to start October 2026, driven by a rally in semiconductor stocks. Tech shares gained momentum following Micron earnings and the release of a new Alphabet AI model. While the 10-year Treasury yield recently reached its highest level since 2002, yields have since begun to retreat as buyers return to the market. This shift comes as investors process a soft September jobs report and monitor geopolitical tensions involving Iran's refusal to reopen the Strait of Hormuz.
Why it matters
Treasury yields exert significant pressure on equity valuations, particularly for growth-oriented tech stocks. The 10-year rate's climb to a 24-year high created a volatile environment for major averages. Recent payroll data showing fewer jobs than expected has contributed to easing rate hike concerns.
What is confirmed
- The Dow, S&P 500, and Nasdaq opened higher at the start of October 2026.
- The 10-year Treasury yield reached its highest level since 2002.
- Micron earnings and a new Alphabet AI model contributed to the rise in tech shares.
- The Dow advanced 0.3% last week, ending a three-week decline.
Still unconfirmed
- US stock futures trended higher early Monday as investors processed a soft September jobs report and Iran's refusal to reopen the Strait of Hormuz.
- Manufacturing expansion has slowed, contributing to the decline in US Treasury yields across maturities.
What to watch next
- Upcoming corporate earnings season reports
- Further developments regarding the Strait of Hormuz
- Additional employment data following the September jobs report
confidence 90%Sources used for this update (22)
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- vittarthi.com — US Stock Market Today Sep 29, 2026 — S&P 500, Dow & Nasdaq Close
- Bloomberg.com — Treasury 10-Year Yield Hits Highest Since 2002 on Rate Outlook
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- MarketWatch — Stock Market Today: Dow, S&P 500 and Nasdaq open higher as investors weigh Micron earnings; 10-year yield climbs to highest level since 2002
- MarketWatch — Bond yields suddenly retreat from recent highs as buyers step back into the Treasury market
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