Apple ($AAPL@US) dropped 1.7 percent in premarket trading as protests to Zero COVID policies in China are causing production shortfalls. Stocks for the software company Tabool.com ($TBLA@US) soared 65.2 percent after it announced an agreement with Yahoo to power native advertising on all Yahoo platforms. Biogen ($BIIB@US) shares fell 5.5 percent after a report that a woman participating in a trial of experimental Alzheimer’s treatment died from a brain hemorrhage. Anheuser-Busch InBev ($BUD@US) rose 4.2 percent after J.P. Morgan Securities ($JPM@US) raised its stock to “overweight” from “underweight.”