Wall Street’s worst day since the crisis- was reported in 90 seconds.
As European stock market follow the turbulence in Asia and US trading, the BBC has asked for your questions about what is happening.
Many of the questions the BBC received focused on the possible ramifications for ordinary people.
Others wanted to know if it was likely the instability could bring about a crash.
BBC Business journalist Brian Milligan answers a selection of your questions below.
How is this going to affect normal people?
Even if you don’t own shares or bonds immediately, there is a good chance you own them as part of your pension. Twelve million employees in the UK are now each member of defined contribution schemes.