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Politics & Policy

Isabel O'Brien

Isabel O'Brien is a 2026-27 Tarbell fellow covering technology for CNBC.com in San Francisco.

Latest

Dell stock plunges 11%, leading data center sell-off as fears mount about 'enterprise AI timing'

Isabel O'BrienOctober 14, 2026

Anthropic will be 'most ridiculous IPO' of year, analyst says

Isabel O'BrienOctober 7, 2026

Cerebras stock hits post-IPO low, tumbling 20% for the week on Nvidia pressure and lockup expiration

Isabel O'BrienOctober 2, 2026

Meta launches Muse for Small Business as Zuckerberg pushes beyond consumer AI market

Isabel O'BrienSeptember 29, 2026

Dow posts back-to-back losses as Treasury yields continue their ascent

Liz Napolitano|Chloe TaylorSeptember 28, 2026

Debt-hungry AI companies face increased risk as bond yields spike

Kif Leswing|Isabel O'BrienSeptember 27, 2026

Cisco stock sinks 5% after Piper Sandler cuts price target on growth concerns

Isabel O'BrienSeptember 22, 2026

Texas Gov. Abbott orders data center permit halt weeks after issuing moratorium

Isabel O'BrienSeptember 21, 2026

AI safety debate meets reality at Dreamforce as business leaders say last year's models are enough

Isabel O'Brien|Jordan NovetSeptember 18, 2026

OpenAI reports 6 new instances of 'concerning model behavior' since March

Isabel O'Brien|Ashley CapootSeptember 16, 2026

Y Combinator’s Tan says 'do nothing' about distillation as AI giants accuse China of copying tech

Kate Rooney|Isabel O'BrienSeptember 10, 2026

Apple event 2026: Folding iPhone Duo, iPhone 18 Pro, added AI features and more

Kif LeswingSeptember 9, 2026

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