Investors are searching far and wide for the next Nvidia. Some suspect this nuclear power stock may be it.From its dominant position as a leader in semiconductor architecture to its success in generating boatloads of cash, Nvidia (NVDA 1.75%) is a company that commands steadfast attention from investors. Plus, the fact that it's the first company to achieve a $5 trillion market cap certainly suggests that it doesn't deserve short shrift.But investors are constantly looking to the future, and for them, one o ...