- 4-Week # shares sold: 2.0 million
- 12-Week # shares sold: 2.0 million
- 24-Week # shares sold: 2.1 million
The Affordable Care Act, popularly called Obamacare, helped health insurers Aetna, Humana, Anthem and Cigna. Then rising costs hurt them. Now shares could rebound further.
Here are Thursday's top research calls, including upgrades for Chesapeake, Humana and IBM, and downgrades for CSX and Qualcomm.