1. CVS Health is exploring an acquisition of Aetna, according to unnamed sources. The purchase price is expected to be more than $66 billion. (Reuters)

2. The proposed deal between CVS Health and Aetna was encouraged by Amazon’s potential entry into the industry, according to unnamed sources. (WSJ)

3. Amazon has received wholesale pharmacy licenses in 12 states. Leerink Partners analyst Ana Gupte said that the move provides more evidence that Amazon plans to enter the drug-supply chain. (St. Louis Post-Dispatch)

4. Merck said a June cyberattack hurt quarterly sales by $135 million. The drugmaker said the attack disrupted global operations. (WSJ)

5. ICYMI: Pfizer will reportedly auction off its consumer healthcare business. GlaxoSmithKline and Reckitt Benckiser have reportedly expressed interest in the business unit. (Reuters)