Mag 7 trade splinters as AI winners pull away heading into 2026

All right, it's been another solid year for the Mag 7 collectively. The CNBC index that tracks those mega cap names up more than 25%. But as Mackenzie Sagales reports, there's a growing disparity between the halves and the have nots within the Mag 7.The Mag 7 trade is splintered this year, and 2026 could widen that gap even further. We're looking at a roughly 60 percentage point spread between the best and worst performers. Alphabet up 65%, Amazon just 5 a.5% with the market now differentiating based on who ...