Chip stocks including Nvidia, Micron, and ASML surged on Monday after Foxconn reported record fourth quarter revenue, pointing to strong AI demand.

Key Takeaways The S&P 500 added 0.6% on Monday, Jan. 6, led by a surge in semiconductor stocks as the first full week of the new year began.Teradyne shares pushed higher as Northland Securities analysts highlighted upside potential for the company's electronic testing equipment.

Stocks popped to start the first full week of 2025, as investors eyed technology innovations and a report circulated that the incoming presidential administration might scale back tariff plans. The broad S&P 500 index rose 1.