While the idea of making a million may sound like a pipe dream to some, in reality, the stock market could make it possible for almost anyone to generate a seven-figure portfolio. Certainly, this achievement will not happen in a short space of time. By investing in the right companies and sectors over the long run, it is possible for even modest amounts of capital to grow into a sizable portfolio. With that in mind, here are three areas that I think millennials should focus on when investing their hard-earned cash. Starting young While investing may seem to be an activity that can be put off until later in life, the reality is that the earlier the process starts, the better. Common complaints among millennials include insufficient savings for investment or the need to build their career first before they start to invest. What you need to know is that...