The sudden weakness comes after the best year for euro-area economy in a decade, and has been blamed on a number of exceptional factors from bad weather to bottlenecks constraining the ability to handle additional demand. There’s also the uncertainty surrounding the trade spat between U.S. President Donald Trump’s administration and China. “The good-weather period for the economy in the euro area is coming to an end,” said Patrick Hussy, managing director at Sentix GmbH in Frankfurt.