Tesla’s estimated delivery times for all models in China have fallen to just 1-3 weeks, a dramatic reduction from the several weeks to two months quoted late last year. The collapse in wait times signals that Giga Shanghai has cleared its order backlog and has ample production capacity sitting idle. At the same time, Tesla announced it is extending its 7-year ultra-low-interest and 5-year zero-interest financing programs through March 31, marking the second time the automaker has pushed back...