It wasn't that long ago when investors basically left Digital Realty Trust (DLR -3.39%) for dead. High-profile short-seller Jim Chanos called the major data center real estate investment trusts (REITs) his "big short" idea in 2022 -- but he didn't anticipate the coming artificial intelligence (AI) explosion. What a difference a couple of years make. Digital Realty is one of the best-performing real estate investment trusts in recent history. So far in 2024, the REIT has delivered a 20% total return, not onl ...