Nvidia is capturing attention right now, but a lot can happen in five years.Market capitalization is the total value of a company's stock, or the amount of shares multiplied by the share price. It doesn't tell you anything about a company's performance or prospects, but it does tell you what the market thinks of it, to some extent. The more favored a stock is, the likelier it is to have a high market cap. However, most newer companies have lower market caps because they haven't even started growing. So, it' ...