CNBC's MacKenzie Sigalos reports on Apple’s stronger-than-expected holiday outlook, rising memory and AI costs, slowing services growth, and continued supp
MacKenzie Sigalos is a Tech Reporter at CNBC. She covers a wide range of topics within the technology sector, focusing on areas such as artificial intelligence, hardware, software, and telecommunications. MacKenzie has been featured in multiple outlets, including The West Australian, NBC News, and CNBC.