IHS Towers is in the throes of a global portfolio review, where it is cutting back on unprofitable investments, growing its footprint in core markets, and winning the approval of investors. The shift is part of a broader realignment of the tower industry from boomtime to strategic investments. This is especially relevant for IHS, which listed on the New York Stock Exchange in 2021 and is beholden to public investors. The IHS share price bottomed out between 2021 and 2024 as the firm reported revenue losses because of currency devaluation, especially in the Nigerian naira, and high energy costs. IHS reported a $470 million loss in 2022, a $1.9 billion loss in 2023, and a $1.6 billion loss in 2024.…