PFE +26.0%. Merck +74.3%, Eli Lilly +53.4%, Johnson & Johnson +48.1%, AbbVie +34.5%. Weekly closes, Nov 7, 2025 = 100, log scale.

End-of-day closes (Databento EOD), the last close of each week. The four peers are the largest US-listed companies by market value in PFE’s SEC industry (Pharmaceutical Preparations) with a year of closes. It shows what the closes did; a move here is not a cause, a forecast or a call.