Pfizer back for AstraZeneca? Year-end move seen most likely
August 21, 2014 at 09:19 AM EDT
LONDON (Reuters) - Shares in drugmaker AstraZeneca have climbed more than 7 percent this week, fueled by speculation of renewed takeover interest from Pfizer, following an abortive $118 billion (71 billion pounds) takeover attempt in May.