Jeff Bezos returns to No. 1 on Bloomberg Billionaires Index on Monday. He’s worth $200 billion, according to Bloomberg, up a cool $23.4 billion so far in 2024. Elon Musk dropped down to no. 2 with a net worth of $198 billion. Tesla CEO has lost $31.3 billion this year as Tesla stock has plummeted more than 24% to start 2024.