Investors are reeling from a big slide in the value of US tech stocks as worries grow about the global economic outlook.
Apple and Amazon shares fell 4% last night as Wall Street reacted to mixed US earnings, an escalation in the Ukraine war and fears of a hard landing as central banks battle inflation.
In London, confidence is being further tested by first quarter trading updates from blue-chip companies including Lloyds Banking Group, GlaxoSmithKline, Persimmon and WPP.
