Where does Pfizer's $160bn acquisition of Allergan rank in the top ten?
November 2015 update: The latest mega-merger between healthcare giant Pfizer and Allergan has shaken up the industry, creating the largest drugmaker in the world. The merger has become the third largest...
Calling for 'imaginative and creative' approach to negotiations
Plans for transitional 'standstill' deal
Concerns over ballooning debt
Janus Henderson recruits Columbia Threadneedle's fixed income head Cielinski amid bond team restructure
Cielinski joining firm on 1 November