Shares of Opendoor Technologies have rocketed higher, thanks, in part, to a new CEO who's making bold promises.Share prices of Opendoor Technologies (OPEN 14.24%) have risen a shocking 400% so far in 2025. Most of that gain has come in just the last couple of months, which has been a time of massive change for the company.One of the biggest changes is a new CEO who has been talking up the opportunity of using artificial intelligence (AI) to improve Opendoor's business.What does Opendoor Technologies do?From ...