This is partly due to the fact that he sold some Tesla stock to fund the transaction. With a net worth of $210 billion, he remains the world's richest man, surpassing Jeff Bezos' $131 billion.
Because the majority of their money is invested in stock for their separate companies, their total net worth varies with the stock market.
Now the actual question for stockholders is whether they should buy, sell, or hold the assets, no matter whether they like or dislike Musk