'We will do better.' Microsoft CEO Nadella admits company has to rebuild trust with employees

1. Satya Nadella acknowledges challenges in company culture after layoffs. 2. Mandatory return to office starts February; mixed reactions from employees. 3. Microsoft's market cap rises to $3.7 trillion, driven by strong stock performance. 4. Azure cloud business grows 39% despite concerns about Windows revenue growth. 5. Employee relations issues and external controversies could impact company reputation.