Micro-cap stocks can come in many shapes and sizes. Some might be once successful firms that lost their way and are looking to recover their prior glory. Others are companies that may have yet to generate any substantial revenues but could growth strongly if their offerings start to catch on.Investing successfully in micro-cap stocks is difficult. Selecting the wrong company can lead to a loss of all or a substantial part of an investment. However, picking the right one could result in a big payday. The iSh ...