The recent rise in shipping rates, as tracked by the Baltic Dry Index, has been nothing short of amazing -- average shipping rates are now up 82% over the last month. If you're an investor in shares of Dry Ships (DRYS), Diana Shipping (DSX -1.03%), or any other shipper, then you may be wondering why their shares haven't taken off because of the news.

In the video below, Motley Fool analyst Blake Bos discusses the recent rate rebound and brings in some expert opinions on whether or not this rate rally is sustainable. He also looks at the industry over the last 10 years to see if investing in dry bulk shipping is losing bet.