Dell's AI server business has investors fired up about surging demand.Investors might be concerned that it's too late to buy Dell (DELL -0.38%) stock after its big gains in recent months. While the stock has nearly doubled so far in 2024, the company may be in the early stages of an industry boom period, and now's a great time to analyze this company's opportunities and valuation to figure out if it's still a good time to buy.What's driving Dell stock higher?Dell stock jumped 8% in January, followed by a 14 ...