The world’s investors are enjoying a confidence boost after months of uncertainty as President Donald Trump finally starts signing trade deals.Global stocks extended a record, risk-sensitive currencies strengthened and bonds fell after a trade agreement with Japan contained lower tariffs than Trump had threatened earlier this month. The big picture takeaway seems to be a light at the end of a negotiating tunnel that will further fuel investor optimism that the worst of their fears on trade are behind them.As a major trading partner, the Japan deal is potentially a big step forward toward the conclusion of tariff-related uncertainties, according to Jane Foley, head of FX strategy at Rabobank.“Overall the deal will justify the market’s rolling back of the fears related to US recession