AstraZeneca’s chief financial officer, Jon Symonds, is resigning from the company at the end of July. He will join investment bank Goldman Sachs as a managing director in mid-September, according to a company statement. The company has begun an external search to replace Mr. Symonds, who joined the company — then Zeneca — from KPMG in 1997 and was involved in the merger negotiations with Sweden’s Astra. He was key in the company’s financial turnaround when share pri...