New COVID-19 shutdowns in China may lead to supply chain issues for Apple, Dell Technologies and Lenovo, with several production suppliers in eastern China affected. Many factories are now closed and awaiting approval to reopen, according to reuters and other media reports. Closures can send new shock waves through a supply chain still reeling from delays and shortages. According to Ming-Chi Kuo, an Apple analyst and forecaster at TF International Securities, Quanta has about 40,000 workers at eight factories in Shanghai. The company, he wrote on Twitter, is expected to have up to 15 percent of its work back through...