1. Walmart partners with Microsoft: 3 things to know Full story

2. Amazon reportedly working with startup to launch medical product delivery at major health systems

3. 5 reasons companies are bringing back retired workers Full story

4. Papa John's former chairman calls resignation 'mistake,' questions board Full story

5. 100+ cases of foodborne illness attributed to McDonald's salad Full story

6. How retailers are competing with Amazon on Prime Day Full story

7. UnitedHealth jump-starts Q2 earnings season with $2.9B profit Full story

8. Trump calls European Union a trade 'foe' Full story

9. 9 hospital closures in 2018 so far Full story

Correction: 10 states with the most overworked nurses