Chinese electric vehicle maker Xiaomi said it delivered more than 20,000 vehicles in February, down from more than 39,000 in January, according to a post on its official Weibo account on Sunday.

Slow electrification undermines the city’s green ambitions and squanders a chance to secure its role as a Greater Bay Area innovation hub.

Berkshire Hathaway's latest annual letter highlights why investors might want to hold on to the tech giant's stock for the long haul.