InvestorsUpstreamOil prices slip 3%, as Covid-19 cases surge in China; dollar strengthenseditorAugust 9, 2021August 9, 2021 by editorAugust 9, 2021August 9, 20210406 Oil prices slipped yet another 3% this Monday, extending last week’s losses, as the Delta variant of the coronavirus is spreading rapidly among Asian countries;...