Hundreds of pages of new rules specifically target 'biggest ever' deal designed to reduce US tax bill
Medecins Sans Frontieres wants GlaxoSmithKline and Pfizer to reduce cost of pneumococcal vaccines
AstraZeneca claims £55-per-share bid undervalues the company and carries a 'big execution risk'
Oil giant is hoping to draw a line under Deepwater Horizon disaster by paying fine, but civil lawsuits are bound to follow
Pharmaceutical giant vows to build its first new facility in Britain for 40 years