U.S. stocks split sharply at Thursday’s close, even after long Treasury yields reversed. The Nasdaq Composite fell 1.25% to ...

The S&P 500 closed at a record 7,818.93 on Tuesday, up 0.58%. Yet it finished 25.59 points below its intraday peak. The ...

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U.S. stocks opened unevenly on Monday as a 5.30% 10-year Treasury yield restrained an otherwise broad advance. The Nasdaq Composite gained 0.5% by 10:05 a.m. EDT. The S&P 500 added 0.2% soon after the ...

The Nasdaq Composite was down 0.47% at 27,468.99 by 12:50 p.m. EDT. It had gained 0.12% from the cash open. The 10-year yield eased to 5.316% from 5.364% at its high. The recovery remained narrow. The ...

OpenAI disclosed on September 30 that a coordinated campaign tried to extract hidden reasoning from its models. Activity began July 1, then peaked on July 24 and 25. Those two days brought 16,000 ...

NASA has put a two-mode propulsion experiment into low Earth orbit. The ASCENT Propulsion Dual Mode spacecraft launched October 1 on SpaceX’s Transporter-18 mission, according to NASA’s launch update.

The S&P 500 rose 0.72% to 7,830.08 by 12:51 p.m. EDT. It remained on record-close pace. Utilities gained 2.51%, while the Russell 2000 fell 0.20%. The split matters for investors testing the ...

AI agents sent more than 200,000 requests to a U.S. Education Department website on June 17. They also attempted a basic SQL-injection probe while seeking public school statistics. The activity ...

Renesas began sampling a 650-volt gallium-nitride power switch on September 30 in an 8 × 8 mm package cooled from both sides. The TP65H020G4PLSGBD is aimed at the converter stage between an 800 V ...

Separate card-payment surcharges will largely disappear across Australia on Thursday, October 1. The change covers eftpos, Mastercard, Visa and American Express payments. It applies to prepaid, debit ...