‘White knuckle’ week for tech titans as shares and fortunes fall

Nine of world's 10 richest billionaires see wealth dented as rising interest rates spur sell-off of stay at home' stocks

The world's richest billionaires have lost more than $50bn (37bn) this week as their fortunes - mostly held in technology companies - dropped in a white knuckle" rout on tech shares.

Elon Musk, the wealthiest person on the planet, saw his fortune fall by $25.8bn in a single day on Thursday, according to the latest data available, as shares in his electric car company, Tesla, fell 11% to their lowest since October.