CVS Health Shares Decline Following Drop in Medicare Advantage Plan Ratings

Key Facts

1Aetna, the insurance arm of CVS Health, saw its four-star or higher plans lose ground in the latest federal ratings.

CVS Health shares declined following a report that its Aetna insurance unit experienced a drop in Medicare Advantage plan quality ratings from federal regulators. Barron's reported that Aetna saw its four-star or higher plans lose ground in the latest federal ratings, a development that signals potential challenges for the segment's growth.

Star ratings are a critical driver of profitability for health insurers as they directly impact federal reimbursement levels and enrollment attractiveness. CVS closed at $87.8 on October 8, 2026, having traded between a day low of $86.82 and a high of $88.5 during that session.