Broadcom's recent business momentum has been impressive. But the artificial intelligence (AI) business underneath the surface is exploding so fast that its growth rate is about to accelerate massively. This setup makes it an interesting time to look at the stock. Are shares cheaper than they look, given the momentum around the corner? And is the company's accelerating momentum sustainable?Of course, just because a business is great doesn't automatically make the stock great. So we need to look at both the b ...