Data Center Stocks Today: Micron Ignites an AI Infrastructure Rebound as Oracle Funding Questions and Power-Grid Costs Loom (Dec. 18, 2025)
Dec. 18, 2025 — U.S. markets, early afternoon (about 1:50 PM ET at the time of writing). U.S.-listed data center stocks are back in focus today as investors rotate into (and selectively out of) the companies that power the AI buildout: memory and accelerators, high-speed networking, server OEMs, data center REITs/operators, and the “picks-and-shovels” layer of power, cooling, and grid infrastructure. The tape is being driven by two cross-currents: Below is what matters most for data center investors today (12/18/2025)—the headlines, analyst takes, and the forecasts that are moving U.S. data center stocks at midday. Midday market snapshot: risk appetite improves, but the “AI