Markets & Economy Evaluating Bullish Potential in Regeneron Pharmaceuticals (REGN) Stock September 8, 2026 · 3:41 pm 1 sources Image: Yahoo Finance ad slot · in-content video 16:9 Coverage More coverageEvaluating Bullish Potential in Regeneron Pharmaceuticals (REGN) StockYahoo Finance · September 8, 2026 15:41