BEIJING (Reuters) -China’s financial hub Shanghai on Tuesday reported a fifth consecutive daily record for locally transmitted COVID-19 asymptomatic cases as the highly infectious Omicron variant complicates efforts to stop the virus spreading. Although small compared with the number of infections in many outbreaks overseas, the rise is significant as Shanghai redoubles its efforts to implement China’s “dynamic clearance” policy designed to curb each flare-up. The city is pressing ahead with a block by block testing scheme after already completing more than 30 million tests. Shanghai reported …