<h1>Global markets mixed ahead of summit as investors eye Fed signals, semiconductor tariff risk, and Russia-Ukraine tensions</h1> Global equity markets traded mixed ahead of a diplomatic summit between the US president and the Ukrainian president alongside European leaders and after an inconclusive bilateral meeting between the US president and the Russian leader. Markets also awaited signals from an annual central bank conference for possible interest-rate cuts by the Federal Reserve chair. Concerns included potential new US tariffs on semiconductors, continued geopolitical risk from Russia-Ukraine tensions, and mixed US economic data affecting expectations for monetary policy. Movements in major indices, energy prices and currencies reflected investor uncertainty pending policy and diplomatic developments.