Not really a ponzi, more like circular financing. Nvidia exposed itself to the AI bust for no reason other than to keep the money flowing to buy their chips for a little longer. They were selling shovels in a gold rush and screwed it up by letting people finance the shovels. They’re not in the finance business, they’re in the chip business.

He bought 100 lottery tickets through acquisition (probably more) and 2 of them hit.