UK stocks are expected to open higher on April 15, with futures up 0.24%. US-based buyout firm Atlas Holdings is in talks to acquire Banknote printer De La Rue. Rolls-Royce Solutions America will be the principal contractor for the potential sale of Eitan PowerPack engines and related equipment to Israel. British shoppers spent more in March, despite tariff increases. Oil prices rose, supported by new tariff exemptions and increased crude oil imports in China. London copper firmed, aided by recent tariff exemptions and optimism about additional stimulus in China. Gold prices firmed amid uncertainty over US President Donald Trump's tariff plans. The UK blue-chip index closed up 2% after exemptions from Chinese tariffs were announced. Several UK companies are scheduled to release earnings updates.