Building on this idea, Enterprise Products Partners (NYSE: EPD) and Lumen Technologies (NYSE: LUMN) are two ultra-high-yield dividend stocks that are attractive buys this December. Retail investors looking to balance out their portfolios to manage the volatility need to invest in fundamentally strong companies that provide a predictable income source (even though inflation may erode some of their purchasing power). The company's Quantum fiber platform (servicing small business and residential customers) will mostly be targeting economically attractive high-density urban and suburban areas in 16 U.S. states.