📈 Alphabet, Nvidia, and Microsoft Power the 2025 “Magnificent Seven” Rally

The “Magnificent Seven” gained 18.4% year-to-date through December 17, 2025, fueled largely by sustained momentum in artificial intelligence. Strikingly, just three companies—Alphabet (+$1.27 trillion), Nvidia (+$0.87 trillion), and Microsoft (+$0.41 trillion)—accounted for 78% of the group’s total market-capitalization gains, highlighting their outsized influence in driving the tech-led market rally of 2025.