Stocks making the largest strikes within the premarket: Merck, Korn Ferry, Regeneron & extraPfizer Inc,Boeing Co,Roku Inc,BioNTech SE,Regeneron Prescribed drugs Inc,AstraZeneca PLC,Korn/Ferry Worldwide,Merck & Co Inc,Kellogg Co,enterprise information”/>Pfizer Inc,Boeing Co,Roku Inc,BioNTech SE,Regeneron Prescribed drugs Inc,AstraZeneca PLC,Korn/Ferry Worldwide,Merck & Co Inc,Kellogg Co,enterprise information”/>Pfizer Inc,Boeing Co,Roku Inc,BioNTech SE,Regeneron Prescribed drugs Inc,AstraZeneca PLC,Korn/Ferry Worldwide,Merck & Co Inc,Kellogg Co”/>Pfizer Inc”/>Boeing Co”/>BioNTech SE”/>AstraZeneca PLC”/>