The CVS merger with Aetna: What does it mean?
The announcement that CVS plans to acquire Aetna for US$69 billion raises hope and concerns.
The transaction would create a new health care giant. Aetna is the third-largest health insurer in the United States, insuring about 46.7 million people.
CVS operates 9,700 pharmacies and 1,000 MinuteClinics. A decade ago, it also purchased Caremark and now operates …