China's financial hub of Shanghai came under lockdown for nine days starting Monday, with each half of the city to be shut down in turns to conduct mass COVID-19 testing, sparking fears about the outlook for the world's second-largest economy.Across the mainland, 6,215 people were confirmed to be infected with the novel coronavirus on Sunday, the highest number in two years, while a record 3,500 new cases were recorded in Shanghai on the same day, Chinese health authorities said.In Shanghai, which has a population of around 24.9 million, the number of new infections had exceeded 2,000 both …READ FULL ARTICLE