The rebound is holding into noon, and technology is doing most of the lifting.
Good afternoon. This is the CAMS Midday Market Check for Thursday, September 17, 2026.
The rebound is holding into noon, and technology is doing most of the lifting. At 12:06 Eastern, the S and P 500 was up 1.07%. The Nasdaq Composite led with a 1.55% gain. The Dow was up 0.68%, and the Russell 2000 was up 1.11%.
Participation was positive, not just a handful of large stocks. The Nasdaq screener showed 4,572 advancing issues and 1,866 declining issues, with 641 unchanged. The returned rows carried about 6.79 billion shares, a broad screener total rather than consolidated exchange volume.
Technology was the clear sector leader, up 2.20%. Consumer discretionary gained 1.44%, and materials rose 0.86%. Communication services, consumer staples and energy were the only sector funds in negative territory. The semiconductor fund was up 2.62%. Intel gained 9.56%, Marvell rose 5.26%, and Nvidia added 2.23%.
The cross-asset picture is helping. The 10-year Treasury yield was 4.943%, back below the 5% line that pressured stocks after Wednesday's Federal Reserve decision. The two-year yield was 4.679%. The volatility index fell 11.41% to 15.69.
Oil also eased for a second day. West Texas Intermediate was down 1.39% at about $101, while Brent was down 2.21% at $103.49. Reports of additional Saudi cargoes through Oman have reduced some immediate supply concern. They have not removed the Middle East risk, and both contracts remain above $100.
The dollar-index future was nearly unchanged at 99.97. Gold rose 0.44% to about $4,407. That combination points to relief in yields and oil without a broad rush into the dollar.
Company news added a few sharp moves. Generac was up 19.94% after filing a transaction agreement with Amazon tied to a long-term backup-generator supply arrangement for data centers. Fluence Energy was down 14.42%. Lennar was up 0.45%.
The economic backdrop still argues for discipline. Initial unemployment claims were low, regional manufacturing remained in expansion, and the Philadelphia Fed's price indexes moved higher. Those readings help explain why the Fed's fight against inflation is not finished, even as yields ease today.
For the afternoon, the quality of the rebound rests on two things: breadth staying positive and the 10-year yield holding below 5%. A renewed rise in oil or yields would test the technology-led advance. Broader participation with calmer rates would make the move more durable.
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