Stock market today: S&P 500, Nasdaq surge as chip stocks rally

1. 3:45 PM ET

   Gains have eased slightly from the prior update but remain strong: the S&P 500 is at 7,562.95, up 2.52%, and the Nasdaq Composite is at 25,299.37, up 2.93%, as of 3:45 PM ET. The Dow Jones Industrial Average is up 2.27%, the Russell 2000 is up 3.38%, the volatility index (VIX) is down 22.15%, and the 10-year Treasury yield sits at 4.863%.

2. 3:15 PM ET

   Gains have widened further since the last update: the S&P 500 is now up 2.65% at 7,572.56 and the Nasdaq Composite has climbed to 25,326.63, up 3.04%, as of 3:15 PM ET. The Dow Jones Industrial Average has risen to 2.41%, the Russell 2000 is up 3.54%, the volatility index (VIX) has deepened its decline to down 23.17%, and the 10-year Treasury yield has ticked up to 4.863%.

3. 2:45 PM ET

   Gains have widened again since the last update: the S&P 500 is now up 2.52% at 7,562.82 and the Nasdaq Composite has climbed to 25,286.48, up 2.88%, as of 2:45 PM ET. The Dow Jones Industrial Average has risen to 2.40% and the Russell 2000 is up 3.40%, while the volatility index (VIX) has deepened its decline to -22.19% and the 10-year Treasury yield has eased slightly to 4.858%.

4. 2:15 PM ET

   Gains have held firm since the last update, with the S&P 500 at 7,550.53, up 2.35%, and the Nasdaq Composite at 25,219.43, up 2.60%, as of 2:15 PM ET. The Dow Jones Industrial Average has edged up to 2.20% and the Russell 2000 is up 3.13%, while the volatility index (VIX) remains down more than 21% on the day and the 10-year Treasury yield has ticked up to 4.879%.

5. 1:45 PM ET

   Little has changed since the last update: the S&P 500 is still up 2.34% and the Nasdaq Composite has eased slightly to up 2.57% as of 1:45 PM ET. The Dow Jones Industrial Average holds near up 2.18%, the Russell 2000 is up 3.04%, and the volatility index (VIX) remains down more than 21% on the day while the 10-year Treasury yield sits at 4.873%.

6. 1:15 PM ET

   Gains have widened again since the last update: the S&P 500 is now up 2.34% and the Nasdaq Composite is up 2.52% as of 1:15 PM ET. The Dow Jones Industrial Average has climbed to up 2.19% and the Russell 2000 is up 2.93%, while the volatility index (VIX) remains down more than 21% on the day and the 10-year Treasury yield holds slightly higher at 4.871%.

7. 12:45 PM ET

   Gains have widened slightly since the last update, with the S&P 500 up 2.28% and the Nasdaq Composite up 2.56% as of 12:45 PM ET. The Dow Jones Industrial Average is up 2.08% and the Russell 2000 is up 2.78%, while the volatility index (VIX) remains down nearly 21% on the day as the 10-year Treasury yield holds slightly higher.

8. 12:15 PM ET

   Gains have widened further since the last update: the S&P 500 is now up 2.28% and the Nasdaq Composite is up 2.63% as of 12:15 PM ET. The Dow Jones Industrial Average has climbed to up 2.04% and the Russell 2000 is up 2.75%, while the volatility index (VIX) has extended its drop to down more than 20% on the day and the 10-year Treasury yield has edged slightly higher.

9. 11:45 AM ET

   Gains have widened further since the last update: the S&P 500 is now up 2.06% and the Nasdaq Composite is up 2.36% as of 11:45 AM ET. The Dow Jones Industrial Average has climbed to up 1.87% and the Russell 2000 is up 2.64%, while the volatility index (VIX) has extended its drop to down more than 19% on the day and the 10-year Treasury yield has edged higher.

10. 11:15 AM ET

    Gains have held steady since the last update, with the S&P 500 up 1.99% and the Nasdaq Composite up 2.40% as of 11:15 AM ET. The Dow Jones Industrial Average is up 1.71% and the Russell 2000 is up 2.56%, while the volatility index (VIX) remains down more than 18% on the day and the 10-year Treasury yield has ticked higher.

11. 10:45 AM ET

    Gains have held firm since the last update, with the S&P 500 now up 1.96% and the Nasdaq Composite up 2.43% as of 10:45 AM ET. The Dow Jones Industrial Average is up 1.62% and the Russell 2000 is up 2.24%, while the volatility index (VIX) has extended its decline to down more than 18% on the day. Ferguson Enterprises shares are among the standout gainers after the company reported third-quarter results, with Business Wire quoting chief executive Kevin Murphy citing 15% growth in non-residential sales and 6% growth in residential sales.

12. 10:15 AM ET

    Gains have widened since the opening half hour: the S&P 500 is now up 1.82% and the Nasdaq Composite is up 2.28%. The Dow Jones Industrial Average and Russell 2000 are also higher, the volatility index (VIX) has extended its drop, and the 10-year Treasury yield has ticked slightly higher on the day.

13. 9:45 AM ET

    The market opened higher Monday, with the S&P 500 up 1.55% and the Nasdaq Composite up 1.92% in early trading. The Dow Jones Industrial Average and Russell 2000 are also higher, while the volatility index (VIX) is down sharply and the 10-year Treasury yield has eased slightly.

The session so far

All eleven S&P 500 sectors are higher, with industrials and technology leading, each up close to 4%, while energy lags with a gain under 1%. Breadth is strongly positive, with 437 of 503 S&P 500 members higher against 66 lower. Semiconductor stocks are moving together as a group, with 17 of 19 S&P 500 members in the industry up 4% or more and an average gain above 9%, and hardware and machinery names are also broadly higher.

The biggest moves

Coherent, Inc. leads S&P 500 gainers, up close to 18%, alongside Monolithic Power Systems and Advanced Micro Devices, both up more than 14%, as semiconductor and hardware names post some of the day's largest advances; Teradyne and Bloom Energy Corporation round out the top five, each up more than 12%. None of the research supplied explains these specific moves, so we can report only that these stocks are rising without a specific cause.

On the decliner side, Nvidia is down nearly 5%, the steepest S&P 500 drop, followed by First Solar down more than 4%. Take-Two Interactive, Akamai Technologies, and Axon Enterprise are each down more than 3%. As with the gainers, none of the sourced reporting addresses these particular declines, so we note only that these stocks are moving lower.