Europe stocks slide as COVID worries swamp investors By: MarketWatch December 20, 2021 at 03:32 AM EST The week has started on a down note after a weekend full of headlines over spreading COVID cases and rising restrictions. Read More >> Related Stocks: AstraZeneca PLC - American Depositary Shares BP p.l.c. Common Stock Royal Dutch Shell Plc ADR SAP SE ADS TotalEnergies SE