Oracle stock has given back all the gains from the cloud computing group’s “ Nvidia Moment” as investors grow increasingly cautious over investments linked to the artificial intelligence boom. When Oracle reported earnings in September, the results included a massive revenue forecast. One of its biggest commitments is a reported $300 billion agreement to buy computing power for Oracle, and that deal represented around 65% of its so-called “RPO” forecast that sent the stock soaring in early September.