It’s become one of the most reliable trades in the stock market as sentiment toward artificial intelligence swings wildly: Whatever AI stocks do, Apple Inc. does the opposite. The iPhone maker’s stock is up 28% in 2026, making it the biggest contributor to the S&P 500 Index’s 12% climb. It’s also by far the best performer among the Magnificent Seven technology giants this year, a stark reversal from 2025, when its 8% gain put it near the bottom of the group.