Gold, bonds, real estate and … trash? Waste Management (WM), America’s biggest garbage hauler, also offers a store of value. The stock is up 2.7% this year, and while that trails the S&P 500’s 6.7% gain, the company in February hiked its dividend for the 11th straight year. The annual dividend yield is now 3.3% at the current share price, topping the S&P average of 1.9%. The long-term dividend growth rate is 6%.