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TECH BILLIONAIRES ADD RECORD $845 BILLION IN 2026 The world’s roughly 100 tech billionaires added a record $845 billion through September, driven by the AI boom and surging America. technology stocks. Their combined wealth reached $4.6 trillion, while billionaires outside tech lost $62 billion. Elon Musk alone gained $310 billion, accounting for roughly 40% of the overall increase in the Bloomberg Billionaires Index.