Automakers Volkswagen and Toyota, iPhone assembler Foxconn and smaller companies have announced they are suspending production at some factories.
The stock market surged due to expectations of stimulus policies and limited choices of investment.
On January 11, the city of has upgraded measures and closed down non-essential services during a citywide mass testing campaign while has been placed under lockdown.
Meanwhile, Beijing officials have launched mass testing exercises, shut schools and imposed targeted lockdowns on some residential buildings in a bid to rein in infections.
Fujian has seen at least 152 new cases in recent days, prompting stay-at-home orders and the closure of entertainment, dining and fitness venues, along with the cancellation of group activities including those for the upcoming Mid-Autumn Festival holiday.
Para detener las infecciones, las autoridades respondieron desde hace semanas con un confinamiento en toda la ciudad, aislando en sus casas o vecindarios a casi todos los 25 millones de residentes.