Will plunging shares end big tech’s era of ‘pornographic’ profits?

After the astonishing wealth earned during lockdown, investors fear times may never be as good again for Silicon Valley’s giantsLast week was a bad time to be a tech billionaire. When the pandemic drove the world online, the founders of Facebook, Google and Microsoft reaped wealth gains described as “pornographic” and cemented their position as among the richest cohort ever to have trod the planet. Well, the “good times” are over. Sort of.The world’s biggest t