The US dollar exhibited a mixed performance at the North American open as traders assessed the impact of a Senate spending vote, UK labor market data, and US-Switzerland trade talks. The dollar weakened against the euro, Swiss franc, and New Zealand dollar, while it gained against the yen, pound, Canadian dollar, and Australian dollar. The Senate's approval of a spending bill to avert a government shutdown provided some stability, but UK jobless claims exceeded expectations, and wage growth decelerated, affecting the pound. Meanwhile, the Swiss franc gained strength on positive developments in tariff reduction discussions with the US.