Another blow to the economy: World stock markets fall due to an increase in Covid-19 infections and fear of Delta variant Posted byEntrepreneur en Español July 20, 2021 Leave a comment on Another blow to the economy: World stock markets fall due to an increase in Covid-19 infections and fear of Delta variant This Monday, the Dow Jones index and the BMV’s Prices and Quotations index registered falls of more than 2%, very similar to what happened in the stock markets of Europe and Asia.