At this point, we've heard from so many billionaire critics saying the artificial intelligence data center buildout is an outrageous bubble that it really has become terrifying, hasn't it. This promotional pessimism, as I'm calling it, is the kind of thing that scares people away from owning stocks. Scares you away.And now I think it has become a beastly overhang on the entire market. Although that bearish AI shroud was not enough to frighten us today as the Dow gained 300 points, S&P climbed 0.59% and the ...