Stocks ended Monday mixed in London while oil prices pushed higher as investors weighed political developments in the UK and the lack of progress in peace talks between the US and Iran . The FTSE 100 closed up 36.36 points, 0.4%, at 10,269.43. The FTSE 250 ended down 41.52 points, 0.2%, at 22,807.86, and the AIM All-Share rose 7.98 points, 1.0%, at 822.41. Brent crude for July delivery was trading at 103.70 US dollars a barrel on Monday, up compared to 101.49 dollars at the time of the equities close in London on Friday. The continued stalemate between the US and Iran dashed investors’ hopes of an imminent peace deal and heightened concerns over further violence and disruptions to oil supplies through the Strait of Hormuz . US President Donald Trump described Tehran’s response to the latest US outline for peace talks as “totally unacceptable” in a social media post. Iran said it had demanded the release of its frozen assets and the end of a US blockade of its ports.…