Facebook, Apple, Amazon, Netflix, and Google were all down in premarket trading.
It follows a chastening day on Wednesday, when the FAANG companies lost a collective $172 billion in value.
Stock markets around the world are selling off sharply as fears about slowing economic growth and rising interest rates spook investors. Declines in US futures show the selloff is not slowing down.
Tech stocks look set for a second punishing day on Wall Street.
All the major tech giants are down in premarket...