Above: A Von Karman vortex street downwind of the Canary Island chain in the eastern Atlantic Ocean off the coast of Africa on Feb. 27, 2015. Image credit: NASA Worldview. Editor's note: Meteorologist ...

Learn everything you need to know about Direxion Daily Dow Jones Int Bl 3X ETF (WEBL) and how it ranks compared to other funds. Research performance, expense ratio, holdings, and volatility to see if ...