The explosive growth of online shopping has weakened the need for customers to shop at the thousands of locations run by drugstore chains like CVS and Walgreens.
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CVS Health is expanding same-day prescription deliveries nationwide in the latest push by drugstores to keep customers who don't want to wait and are doing more shopping online.
The second-largest U.S. drugstore chain is buying Aetna, the third-largest health insurer, in order to push much deeper into customer care.
CVS is warning customers that its online photo service may have suffered a data breach and has shut it down.