European stock markets fall, Trump threatens Iran beforehand.

European stock markets have seen their losses widen, hitting intraday lows. US President Donald Trump said that Iran will have to pay a price for not reaching an agreement in a timely manner. As of 12:08 London time, the Stoxx Europe 600 index fell by 0.8%; earlier, the index had risen by 0.3%. US stock index futures are also trading lower, with S&P 500 index futures down by 1% and Nasdaq index futures down by 1.4%.