Citi Research analyst Michael Rollins added AT&T Inc.’s stock T to Citi’s positive catalyst watch list Wednesday, writing that he anticipates “disclosures over the next few months to improve market confidence on the opportunity for AT&T to generate FCF of $16 billion or better during 2023 as well as reduce capital spending significantly during 2024 that can support some multiple expansion from the current level.” He’s upbeat about the company’s ability to generate “modest” top-line growth while improving free-cash flow and growth in adjusted earnings before interest, taxes, depreciation and amortization (Ebitda) as the…