Merck plans to split its main pharmaceutical unit in two as it prepares for the approaching patent expiry of its best-selling drug, according to the Wall Street Journal https://www.bloomberg.com/news/articles/2026-02-23/merck-creating-cancer-unit-as-patent-cliff-looms-wsj-says?taid=699c3cab99305200018c5cf5&utm_campaign=trueanthem&utm_content=business&utm_medium=social&utm_source=twitter