European shares gained on Tuesday as investors welcomed signs of progress towards a potential peace agreement between Russia and Ukraine after a White House meeting with European leaders. The pan-European STOXX 600 rose 0.69 per cent by 10:05 a.m. GMT, with Spain's IBEX 35 up 0.59 per cent, Germany's DAX gaining 0.35 per cent and France's CAC 40 advancing 0.91 per cent. Switzerland's SMI added 0.75 per cent, while the UK's FTSE 100 edged up 0.31 per cent. US President Donald Trump told Ukrainian President Volodymyr Zelenskiy that Washington would help guarantee Ukraine's security in any peace deal, though details of the support remain unclear. German Chancellor Friedrich Merz said Zelenskiy and Russian President Vladimir Putin are expected to meet within two weeks, with Trump planning a follow-up three-way meeting to launch negotiations. Attribution: Amwal Al Ghad English, Reuters Subediting: M. S. Salama