AT&T customers eligible for up to $7,500 in a $177 million settlement Trump's 401 (k) change: What administrators and employees need to know ...

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 her conversation with Sam Altman as the OpenAI CEO hosted a dinner ...

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

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

Kate Middleton and Prince William Release Emotional Message to Mark Poignant Anniversary amid Summer Break ...

CNBC’s MacKenzie Sigalos joins 'Money Movers' to discuss Perplexity making an unsolicited $34.5B bid for Google's Chrome ...

CNBC’s MacKenzie Sigalos reports on how Alphabet marks a decade since Google’s restructuring under pressure from a pending ...

CNBC's MacKenzie Sigalos joins 'Closing Bell Overtime' with Lyft's Q2 results.

CNBC’s MacKenzie Sigalos joins 'The Exchange' to discuss AI firms push to win federal contracts as the AI race is still underway.

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