Elizabeth Holmes was Silicon Valley's next big thing, but her blood-test technology never really worked. Her company, Theranos, is now a fable of unchecked startup bravado.

Elizabeth Holmes was Silicon Valley's next big thing, but her blood-test technology never really worked. Her company, Theranos, is now a fable of unchecked startup bravado.

US President Donald Trump plans to leave the summit of the Group of Seven wealthy nations before it discusses climate change and the health of oceans, underlining fractures in the G7 exacerbated by US trade tariffs.

US President Donald Trump plans to leave the summit of the Group of Seven wealthy nations before it discusses climate change and the health of oceans, underlining fractures in the G7 exacerbated by US trade tariffs.

Donald Trump tells G7 leaders the United States wants a quick end to trade practices that he says have led to an exodus of American companies and jobs, with one French official describing Mr Trump's "litany of recriminations" as "unusual in this kind of format".