GUANGZHOU -- China's restrictions on the use of iPhones by central government employees are expanding to local governments and state-owned companies, Nikkei has learned.
Concern over big market drags Apple's shares down by $190bn in capitalization

An Apple store in Beijing. Greater China accounted for about 20% of Apple's sales in the April-June period this year, and assembly of iPhones is also centered in Chinese factories. © Kyodo
GUANGZHOU -- China's restrictions on the use of iPhones by central government employees are expanding to local governments and state-owned companies, Nikkei has learned.