Covid lockdowns, quarantines and restrictions are causing a backlog in some of China’s major ports, resulting in “chaos” and pushing up air freights by as much as 50% in some cases, analysts tell CNBC. Ahead of the extended Lunar New Year holiday in China, air freight rates have spiked and some shipping firms have suspended services, putting the spotlight on overwhelmed supply chains again. It comes as China pushes ahead with its zero-Covid strategy — which means a recent spike in infections has resulted in lockdowns and curbs in the largest port hubs and major cities across the country. “Although ports are still ... (full story)