InvestmentsTop Global NewsMarketsReal Estate AstraZeneca shares sink 8per cent after US$39 billion Alexion buyout By financialnews_rlv83x - December 14, 2020 0 59 Shares of AstraZeneca fell 8per cent early on Monday, hit by doubts about the British firm’s strategy and speculation of a rival bid after it announced the US$39 billion purchase of Alexion Pharmaceuticals over the weekend.