Many investors fear that artificial intelligence is a bubble, and these fears aren’t waning, despite reassuring statements from analysts. Oracle stock closed the Thursday trading session 10.84% lower at $198.84, following the release of the earnings report. The hit Oracle was taking also transferred slightly to most of the stocks in the AI group, including Nvidia. Nvidia closed Thursday's session 1.55$180.93, or 12.6% lower than its October 29 peak, which had a closing price of $207.04. Bad n ...