Mark Zuckerberg's Wealth Plunges $25 Billion - 24/7 Wall St. Stock Market Live July 30, 2026: S&P 500 (SPY) Pivoting from Fed-Induced Drop Mark Zuckerberg's Wealth Plunges $25 Billion By Douglas A. McIntyre Published Jul 30, 10:49AM EDT Quick Read Zuckerberg's net worth dropped $25B to $209B as Meta's AI ambitions drove net income down 14% and nearly eliminated free cash flow. META commits $130-145B in 2026 capex chasing AI leaders it trails, with much of that spending cycling back to NVDA for chip purchase ...