A bearish strategist emerges as the Dow and S&P 500 both hit record highs. Memory chips are on a tear as Nvidia's CEO calls it a "completely underserved market." Plus, defense climbs to an all-time high amid geopolitical tensions.

A Buyback Ban, the Copper Crunch, and Where the Jobs Aren't 1/8/26

"The Exchange" on CNBC is a one-stop shop for the day's top business stories, along with breaking news and the must-see market movers heading into the back half of the trading day. This newsroom-based program also features lots of original reporting, in-depth conversations and showcases CNBC's award-winning investigative work.