Walmart announced on Tuesday that it will deliver prescription drugs from stores directly to customers as it competes with rivals like Amazon. The Arkansas-based retailer is joining a list of companies including Amazon, CVS and Walgreens that have embraced the trend of delivering prescriptions directly to consumers that have become more reliant on e-commerce. Walmart's service applies to both new prescriptions along with medication refills, according to the retailer. All medication – barring some exceptions ...