Pfizer & Biontech Impfung 90% Effektivität. Aktien plus 40%. Achtung Robin Hood am November 09, 2020 Alliance Data Systems FTSE 350 JCDECAUX Margin of Safety Pfizer & Biontech 90% effektiv Corona RobinHood Shotgun Approach to the Stock Market Superblase 2020 Superinvestoren +