Welcome back to the City AM liveblog - for your top news, updates and analysis from the FTSE 100 and UK markets.

Asian stocks are mostly lower and oil prices have jumped after U.S. President Donald Trump warned Iran that the “clock is ticking” as talks over a permanent end to the war stall.

Welcome back to the City AM liveblog - for your top news, updates and analysis from the FTSE 100 and UK markets.