A fierce rivalry between the CEOs of Tesla Inc (NASDAQ:TSLA) and Meta Platforms Inc (NASDAQ:META) almost saw the billionaires settle their differences with a cage fight. While the cage fight never took place, the two rivals continue to battle, but mostly in terms of stock performance and wealth. What Happened: Tesla CEO Elon Musk ended 2023 as the world’s richest person, a position that was helped by shares of the electric vehicle company gaining over 100% during the year. Musk lost the title of world’s richest several times in 2023 but spent the majority of the year in the top spot of the Blo…