More on that below, after I acquaint, or re-acquaint, you with this ETF, which is REIT-like in some of its top holdings. More News from BarchartIDGT really tracks the health of the physical backbone supporting the artificial intelligence (AI) boom. No matter which software or language model ultimately wins the AI race, the world will require an infinite supply of physical data centers, fiber-optic networks, and telecom towers to route and store the data. A Closer Look at IDGTThe purple lines I drew in that daily price chart above point to two related issues. But the REIT side is data center and cell tower REITs, the type that are really more like tech stocks with a REIT structure.