Microsoft (MSFT) reported its second quarter earnings after the bell on Wednesday, beating Wall Street estimates on the top and bottom lines, with cloud revenue topping $50 billion for the first time. But the company's stock fell over 11% Thursday as investors worried about that cloud growth slowing — and about the company's ballooning AI-fueled spending. “We are only at the beginning phases of AI diffusion, and already Microsoft has built an AI business that is larger than some of our bigge...