Wall Street opened flat, European stocks rose and oil edged down on Tuesday as traders assessed the implications of the previous day's talks at the White House on the war in Ukraine, and looked ahead to a key meeting of central bankers.

Russia ’s army launched its largest aerial attack in a month on Ukraine hours after Donald Trump held fresh peace talks with Volodymyr Zelensky.

Inside the Oval Office, Zelensky and Trump showed few signs of their once-frayed relationship. They talked positively about a U.S. role in security guarantees for Ukraine — one of the most complex issues under discussion — to ensure that Russia does not restart the war after they agree to a peace deal.

Switzerland would be ready to host Russian President Vladimir Putin for any peace talks on Ukraine despite an existing arrest warrant for him from the International Criminal Court (ICC), Foreign Minister Ignazio Cassis said on Tuesday.