Insmed Incorporated (NASDAQ: INSM) Stock Week Ahead: Nasdaq-100 Addition Meets Brensocatib Setback—News, Forecasts, and What to Watch (Dec. 22–26, 2025)
As of Sunday, December 21, 2025, Insmed Incorporated (NASDAQ: INSM) is heading into a pivotal (and holiday-shortened) trading week with two narratives pulling on sentiment at the same time: That push-pull dynamic is likely to define the week-ahead setup for