The news led to a rally in the shares of big Medicare insurers such as UnitedHealth Group, Humana and CVS Health, parent of Aetna. Shares in UnitedHealth rose 8% in morning trading, while Humana was up more than 11% and CVS increased 9.5%. The rate increase of 5.06%, compared with 2.23% in the earlier proposal from the Biden administration, overshot even optimistic expectations from many Wall Street analysts… The rate increase, combined with a rule issued last week that withdrew a Biden administration proposal to cover drugs for obesity, provides a turnaround for big insurers after a difficult year when the long-profitable Medicare business became a drag on margins and share prices. Health Insurer Stocks Soar on Medicare Rate Boost – WSJ ProPublica Investigation: Blue Cross of La. Loses long-running lawsuit : "Frustration with insurers is at an all-time high.