The Cambridge, UK-based AstraZeneca PLC ( AZN ) was founded in 1999 as an amalgamation of the pharmaceutical companies Zeneca Group, based in Britain, and Astra AB, from Sweden. The company’s primary listing is in the UK (I have been investing in the stock market since I was 17 years old, and over the 25+ years since I have learned the joy of compounding, the value of dividend reinvesting, and the principle that patient investing through good times and bad brings the greatest rewards. I believe the key to c ...