Dividends in the Labyrinth: Pfizer and Merck

Pfizer, once a stalwart among pharmaceutical giants, now finds itself ensnared in a web of expiring patents and competitive pressures so intricate it resembles nothing so much as the filing system of an overzealous clerk who has misplaced his own instructions. Its top-selling drugs, Eliquis and Xtandi, stand on the precipice of patent expiration, their fates sealed by mechanisms neither patient nor physician can fully grasp. These developments have battered its stock performance, leaving investors adrift in a sea of uncertainty where even the horizon appears distorted.






