Thursday saw another horrific trading session on exchanges around the world.
Continuing worries about how badly the spread of the Covid-19 coronavirus is likely to hurt the global economy were compounded by US president Donald Trump’s announcement that the US will ban entry to all visitors from certain European countries for 30 days.
The FTSE 100 index of London’s biggest stocks sank by more than 10% during the day, its sharpest drop in more than three decades. No company in the index posting a rise. The FTSE 250 and FTSE 350 also suffered roughly double-digit drops.