Nadella's M&A strategy is much different than Ballmer's — and investors are rewarding him
https://www.cnbc.com/2018/06/04/microsoft-ma-nadella-vs-ballmer.html
Two months after Satya Nadella took over Microsoft in 2014, the company closed its almost $8 billion purchase of Nokia.
It was a catastrophic deal and represented the last vestiges of the Steve Ballmer era.