Company run by Masayoshi Son sees valuations of US firms WeWork and Uber plunge

SoftBank Group, the Japanese tech investor, has slumped to a huge quarterly loss after the valuations of US companies WeWork and Uber plunged.

The company, run by billionaire investor Masayoshi Son, made an operating loss of 704bn yen (£5bn) in the three months to the end of September, in results published on Wednesday.