Tesla vehicle insurance registrations in China retreated sequentially for a second straight week, but the EV giant is trending toward a strong quarterly performance with official fourth-quarter delivery numbers expected next week. Tesla insurance registrations in China totaled 17,600 for the week of Dec. 16-Dec. 22, down about 5% from 18,500 the previous week, according to data compiled by CnEVPost. With just one week left in the fourth quarter, Tesla registrations in China, a rough gauge for deliveries, are up 12% compared to last quarter and have increased 13% vs. a year ago.