Today’s business news – in the UK and beyond amid concerns about the world’s largest economy and the fall in the Asian, US and UK markets.
BBC’s business editor Simon Jack was asked: Is this a stock market crash? Here’s what he has to say:
Stocks slump – China to impose 34% levy as retaliation – China files lawsuit | US tariffs LIVE
More reaction from the global stock markets, world leaders and experts a day after Donald Trump announced global tariffs.