Artificial intelligence (AI) boosted the fortunes of billionaires to historic peaks and created new wealth in startups and public markets. However, Bloomberg estimates that the boom could have reached its peak, as attention grows on the valuations and expectations that sustain bonanza. *** The world population of billionaires reached 3,795 people in 2025 and their joint heritage reached $15.1 billion. Companies exposed to AI recorded valuation g…