Sparked by threats of a single-payer health system and proposals to tighten drug pricing, health-care stocks are lagging the broader market by their largest margin since 2006.

Today's Stocks & Topics: Mortgage Rates, Home Sales, Stress Levels, Selling Covered Calls, When to Sell, UNH – United Health Group Inc., 401k Inflows, TSLA - Tesla Inc., FTT - Finning International Inc., SNH - Senior Housing Properties Trust, Earnings Season, ABC – Amerisource Bergen Corp., GD - General Dynamics Corp.