The wealthiest individuals in the US have seen their wealth increase by $500 billion compared to a year ago, according to Forbes, due to a resurgence in the stock markets and a surge in the AI (artificial intelligence)-driven technology sector. Their collective wealth stands at $4.5 trillion, matching the previous record set in 2021. The minimum wealth required to join the elite club has risen to $2.9 billion, up from $2.7 billion last year, reaching an all-time high.