Global shares rallied on Wednesday, with Tokyo's benchmark Nikkei 225 index gaining 3.5% after Japan and the U.S. announced a deal on President Donald Trump's tariffs.

France's CAC 40 added 1.4% in early trading to 7,854.75, while Germany's DAX gained 0.9% to 24,260.62. Britain's FTSE 100 rose 0.6% to 9,075.46. The future for the S&P 500 gained 0.4% while that for the Dow Jones Industrial Average was up 0.5%.