January 20th saw the US Dow Jones share index crash more than 500 points.
Amongst the top fallers were media and technology stocks. Twitter, despite being helped by rumours that News Corp might be a buyer, at one point hit a new ‘low’ of $15.48.
Mainstream stocks also suffered, with Netflix and CBS dropping more than 5 percent at one stage. Yahoo was down 3.3 per cent, 21st Century Fox fell 3.1 per cent, Viacom down 1.8 per cent, Disney down 1.5 per cent, Time Warner 1.3 per cent and Discovery down 1 per cent.