The Dow Jones plummeted over 400 points this week. Concerns over the Ebola outbreak are affecting investor psychology and therefore, the markets. How does the economic slowdown in Europe and China impact the U.S. economy? The International Monetary Fund issued new warnings regarding the U.S. economy's recovery. What concerns is managing director, Christine Lagarde, voicing that investors should be aware of? Listen for information imperative to the long-term safety of your investments.