Lumen Technologies, Inc. ( LUMN ) is a telecommunications company in the middle of the Artificial Intelligence boom. For years, I advocated for the company’s debt, which traded at steep discounts for some time. In 2025, Lumen’s debt rebounded toOther writing on Substack: https://yieldstrategies.substack.com/I am currently focused on income investing through either common shares, preferred shares, or bonds. I will occasionally break away and write about the economy at large or a special situation involving a ...