Global drug maker Pfizer and biotech firm Amgen, each valued at more than HK$1 trillion (US$153 billion), are among 22 strategic enterprises from the fintech, cloud computing and aerial transport sectors to open or expand offices in Hong Kong. The firms attended a ceremony on Monday to sign agreements with the Office for Attracting Strategic Enterprises (OASES). It marked the sixth cohort under the government’s flagship investment initiative since its launch, as the South China Morning Post...