CNBC’s MacKenzie Sigalos reports on the cybersecurity firm’s stronger-than-expected results, upbeat guidance, and executive ...

CNBC’s MacKenzie Sigalos joins 'Money Movers' to discuss OpenAI seeing GHT-5 enterprise surge despite rocky consumer rollout.

CNBC’s MacKenzie Sigalos joins 'Money Movers' to discuss OpenAI seeing GHT-5 enterprise surge despite rocky consumer rollout.

A Michigan Town Clamped Down on Its Wineries. Now It Owes Them $49 Million. Chimaev wins UFC middleweight belt by unanimous decision ...

CNBC's MacKenzie Sigalos joins 'Money Movers' to discuss her conversation with Sam Altman as the OpenAI CEO hosted a dinner ...

OpenAI is turning up the heat for competitors in a very lucrative market. CNBC's MacKenzie Sigalos joins 'Squawk Box' with ...

CNBC’s MacKenzie Sigalos spoke with Silicon Valley developers who say GPT-5 is outperforming rivals like Claude on coding, ...

Home Depot kicked off this week's string of retailer earnings reports. Novo Nordisk provided two major updates on its ...

In the real world, bubbles delight because they reflect their surroundings. But the bubble Altman described may not show the face of its observer.

A spokesman for Mackenzie said the freshman congressman's office has responded to around 7,000 contacts from constituents during his first three months in office.

Mackenzie Sheehy is a journalist covering business. She worked for WFSB TV in Hartford and she attends Duke University.