Nvidia Earnings Preview: What's Needed To Drive Nvidia Stock Higher?

Nvidia (NVDA) stock has been on an odyssey since reaching an all-time high in mid-May. Since then, it has been blown off course by concerns of an artificial intelligence bubble, competing offerings and worries about circular financing deals with customers. The Santa Clara, Calif.-based company will get a chance to calm the seas with its fiscal second-quarter report, due late…