# S&P 500 Joins Nasdaq in All-Time-High Territory

> S&P 500 hits all-time high as Nasdaq surges to second straight peak.
- Title: S&P 500 Joins Nasdaq in All-Time-High Territory · Kiplinger
- Summary: S&P 500 hits all-time high as Nasdaq surges to second straight peak. The S&P 500 reached its first new all-time high since August, with the Nasdaq Composite…
- Keywords: s&p 500, nasdaq composite, all-time high, stock market, artificial intelligence, treasury yields, nvidia, magnificent 7 stocks, constellation energy, google cloud, 500, Joins
- Source: Kiplinger — https://kiplinger.com/investing/stocks/s-and-p-joins-nasdaq-in-all-time-high-territory-stock-market-today
- Published: 2026-10-06T20:14:39+00:00
- Read time: 1 min
- Topics: s&p 500, nasdaq composite, all-time high, stock market, artificial intelligence, treasury yields, nvidia, magnificent 7 stocks, constellation energy, google cloud
## S&P 500 reaches new all-time high
The S&P 500 reached its first new all-time high since August, extending its winning streak to four sessions.
## Nasdaq Composite posts second consecutive peak
The Nasdaq Composite hit a fresh peak for the second straight trading session, rising 0.5% to 27,599.
## Dow Jones Industrial Average gains
The blue-chip Dow Jones Industrial Average added 0.5% to 51,521, remaining about 6% below its own new high.
## Investor optimism rises
Louis Navellier of Navellier & Associates noted that November is the second strongest month for the S&P 500, with investor optimism rising ahead of the 2027 presidential election cycle.
## AI infrastructure drives market gains
Markets reprice AI infrastructure initiatives, with Amazon and Microsoft outperforming Nvidia as the Magnificent 7 stocks combined to over $25 trillion.
## Constellation Energy signs Google deal
Constellation Energy signed a 20-year power purchase agreement with Google, adding 890 megawatts of capacity at 11 nuclear plants across Illinois, Pennsylvania, and New Jersey.
## Nvidia approaches $6 trillion market cap
Nvidia is on the verge of a $6 trillion market cap, positioning itself as a leader in physical AI for intelligent automation and robotics.
## Treasury yields decline
The 2-year Treasury yield dropped 3.3 basis points to 4.798%, while the 10-year and 30-year yields also pulled back from recent highs.
## Market reaction to AI boom
The AI boom optimism lifted the Magnificent 7 stocks to a combined value of more than $25 trillion, with Tesla's gain helping Elon Musk remain the world's first trillion-dollar man.
## Key takeaway

The S&P 500 reached its first new all-time high since August, with the Nasdaq Composite hitting a fresh peak for the second consecutive trading session.