Bull markets are a lot like the zombies in apocalypse movies: you might think they're finally dead, but then they're back on their feet before you even have a chance to reload.The AI bull market might be getting frothy and volatile as 2025 draws to a close, but recent activity shows that any wounds sustained over the last few weeks are superficial.However, this particular resurgence comes with a twist: lately, the rally isn’t being led by the usual suspects like NVIDIA, Microsoft, Tesla, or OpenAI.There may ...