SHANGHAI—Tesla is suspending production at its Shanghai factory for two days, according to a notice sent internally and to suppliers, as the Chinese regime tightens COVID-19 restrictions to curb the country’s latest outbreak. The Shanghai factory runs around the clock, and suppliers and Tesla staff were told on Wednesday in the notice, reviewed by Reuters, that production would be suspended for Wednesday and Thursday. It did not give a reason for the stoppage at the plant, also known as the Gigafactory 3, which makes the Tesla Model 3 sedan and the Model Y crossover sport utility vehicle. Many cities across China, including Shanghai, have been rolling out strict movement controls to stem the country’s largest COVID-19 outbreak in two years. The measures have also caused factory shutdowns in parts of the country, putting pressure on supply chains. Tesla did not have immediate comment. Its Shanghai factory produces cars for the …