Inflation in Germany picked up speed again in May, with prices rising 2.4% compared to the same month last year, preliminary figures showed on Wednesday. That marks a slight uptick from April, when inflation was 2.2% compared to the same month in the previous year. It is the first time this year that monthly inflation figures have increased in Germany. Economists had expected inflation to pick up in May and also pointed to higher wages, which could lead to price increases by companies. ING chief economist Carsten Brzeski said the data emphasises “how stubborn inflation remains,” while KfW chie…