CanSino, Fosun Pharma sink with Chinese vaccine producers as Biden backs waiving patent, rights in blow to monopoly, profit outlook

• CanSino, Sinopharm and Fosun Pharma logged huge losses, greeting mainland Chinese traders who returned from a three-day holiday break
• The slide bucked a generally upbeat tone in Hong Kong market as the Hang Seng Index jumps as much as 1.2 per cent