Shark Tank host Mark Cuban
  • CVS just announced it's changing how prescription drugs get priced at its pharmacies.
  • The new program includes a set markup for medication costs, a step toward drug pricing transparency.
  • The retailer has been facing pressure from new models like Mark Cuban Cost Plus Drugs.

CVS just announced plans for a major shift to how drugs are sold in its pharmacies — and it's a sign the retailer is bending to market pressures.