Markets & Economy Mark Zuckerberg’s Net Worth Jumped $13 Billion in a Week as Meta Stock Extended Its Rally September 9, 2026 · 3:10 pm 1 sources Image: Yahoo Finance ad slot · in-content video 16:9 Coverage More coverageMark Zuckerberg's Net Worth Jumped $13 Billion in a Week as Meta Stock Extended Its RallyYahoo Finance · September 9, 2026 15:10