Regeneron Stock Plunges 22.6% YTD: Should You Buy, Sell or Hold?

Key Takeaways REGN shares are down 22.8% YTD due to weak Eylea sales and pipeline disappointments. Eylea faces intense competition from Vabysmo and biosimilars, with HD version uptake still ramping up. Dupixent and new oncology approvals offer some support, but setbacks in COPD and lymphoma drugs persist. Shares of Regeneron Pharmaceuticals, Inc. (REGN) have lost 22.6% year to date against the industry’s growth of 0.6%. The stock has underperformed the medical sector and S&P 500 Index in this timeframe.A ...