Wild swings on Wall Street… The Nasdaq closes sharply lower despite earlier positivity around approval of Pfizer and Biontech's 'fast-track' vaccine candidate. JPMorgan, Citi and Wells Fargo kick off earnings season amid concerns that banks will have to set aside more money to weather the virus crisis. In China, June imports and exports surprise to the upside with the economy reaping the benefits of both domestic and international lockdowns being lifted. However, Hong Kong rolls back on easing restrictions following a spike in cases across the territory.