S&P 500 hits record high as power stocks rally on nuclear deal
- S&P 500 rose 0.9% to 7,840, hitting a new all-time high
- Constellation Energy jumped 13.9% on a 20-year nuclear deal with Google
- U.S. trade deficit widened to $105.6 billion in August, missing forecasts
- Biotech stocks fell broadly, with Tempus AI down 10.6%
- Lamb Weston beat earnings estimates and raised fiscal 2027 outlook

*this image is generated using AI for illustrative purposes only.
The S&P 500 advanced 66 points, or 0.9%, to 7,840 on Tuesday, marking a fresh all-time high. The Nasdaq 100 gained 0.8% to 31,317, extending its advance for a sixth straight session, while the Dow Jones Industrial Average rose 365 points to 51,632.
Macro indicators and commodity moves
The U.S. trade deficit widened to $105.6 billion in August from $92.8 billion in July, exceeding the $102 billion forecast. Imports rose to $420.8 billion from $403.6 billion, while exports increased to $315.2 billion from $310.7 billion. Treasury yields retreated from a 24-year peak, with the 10-year yield falling 4 bps to 5.27%. The 2-year yield declined 2 bps to 4.80%, and the 30-year slipped 3 bps to 5.63%.
West Texas Intermediate crude slipped about 0.3% to roughly $89.12 per barrel, while Brent crude eased about 0.7% to around $99.64. Gold futures rose 0.7% to $4,188 per ounce, and silver futures climbed 0.5% to $61.60. Bitcoin traded near $85,640, up 0.5% over the past 24 hours.
Market performance snapshot
| Index | Last | % Change | MTD | YTD |
|---|---|---|---|---|
| S&P 500 | 7,840.19 | +0.85% | +2.47% | +14.53% |
| Dow Jones | 51,632.42 | +0.71% | +1.43% | +7.43% |
| Nasdaq 100 | 31,316.51 | +0.77% | +2.99% | +24.03% |
| Russell 2000 | 2,844.52 | -0.09% | +1.70% | +14.61% |
Major ETFs tracked these moves, with the Vanguard S&P 500 ETF gaining 0.8% and the Invesco QQQ Trust climbing 0.7%. The iShares Russell 2000 ETF slid 0.3%, reflecting weakness in small-cap stocks.
Power stocks lead sector gains
Power producers dominated the leaderboard following news of a major energy agreement. Constellation Energy Corp. surged 13.9% after announcing a 20-year agreement with Google to supply 890 megawatts of nuclear capacity to the PJM grid. Talen Energy Corp. jumped 13.7% and Vistra Corp. gained 11.3% in sympathy. The Utilities Select Sector SPDR Fund rose 1.0%, while the Industrials Select Sector SPDR Fund led sectors with a 2.1% rise.
Corteva Inc. rallied 12.3% after JPMorgan upgraded the stock to Overweight with a $19 price target. The shares also benefited from index-fund buying tied to its move into the S&P MidCap 400. Lamb Weston Holdings Inc. gained 11.7% after reporting fiscal first-quarter earnings of 75 cents per share, ahead of the 59-cent consensus, on net sales of $1.67 billion versus $1.65 billion expected. The company raised its fiscal 2027 adjusted EPS outlook to $3.05 to $3.35, above the $3.01 analyst estimate.
Biotech and storage stocks retreat
On the downside, Tempus AI Inc. fell 10.6%, UWM Holdings Corp. dropped 7.4%, Guardant Health Inc. slid 7.3%, and Caris Life Sciences Inc. declined 7.0% as biotech funds broadly retreated. The iShares Biotechnology ETF tumbled 3.4%. Western Digital Corp. lost 6.5% as reports that Toshiba plans to double its hard-disk drive output weighed on storage stocks, with Seagate Technology Inc. also sharply lower.
How might the widening U.S. trade deficit and persistent high Treasury yields influence the Federal Reserve's next interest rate decision?
Will the surge in power stocks driven by AI data center demand sustain momentum, or is it vulnerable to regulatory scrutiny on nuclear capacity expansion?
What are the implications of the Nasdaq 100's six-session winning streak and significant YTD outperformance for potential market rotation into value or small-cap sectors?

























