The market may be underestimating this company's prospects.Equities performed well over the past few years, but that will be cold comfort to Fiverr's (FVRR -1.06%) shareholders. The tech company has seen its shares plunge by a whopping 90% in the past three years -- an abysmal performance by almost any metric. One could argue that investors should cut their losses, while those on the outside looking in had better stay far away from this stock. However, there is more to the story. There are excellent reasons ...