Astrana Health Inc. (NASDAQ:ASTH) stock on Tuesday fell around 22% to close at 21.48.The reaction was due to the Centers for Medicare & Medicaid Services (CMS) on Monday outlining proposed methodological and payment policy updates for Medicare Advantage that point to modest payment growth in 2027 while emphasizing program sustainability, accuracy, and administrative simplicity.If finalized, the proposals would result in a net average year-over-year payment increase of mere 0.09%, translating to more than ...