"Bottoms in the investment world don't end with four-year lows; they end with 10- or 15-year lows." — Jim Rogers

While 10- to 15-year lows are not common, they do happen. During these times, don't be shy about going against the trend and investing; you could make a fortune by making a bold move or lose your shirt. Remember the first quote in this article and invest in an industry you've researched thoroughly. Then, be prepared to see your investment sink lower before it turns around and starts to pay off