Zuckerberg Loses Nearly $9B as Meta Shares Slide on AI Spending Concerns

Meta shares fell about 4% to $749.26 as investors grew concerned over the company's AI infrastructure spending. Zuckerberg's net worth dropped $8.9 billion to $257.5 billion, pushing him from fourth to sixth place in the global wealth rankings behind Sergey Brin and Michael Dell.

• Meta shares fell 4% to $749.26; Zuckerberg's net worth now $257.5B
• Zuckerberg dropped from 4th to 6th in global billionaire rankings
• Goldman Sachs estimates US hyperscaler capex at ~$800B in 2026
• Meta stock had risen 36% in September on the launch of AI assistant Muse