German sports goods makers Adidas has reported its first quarter preliminary operating profit at €336 million ($357 million), up from €60 million the year before. Quarterly currency-neutral revenues increased 8% from the prior year level. In euro terms, the company’s revenues grew 4% to €5.4 billion from the prior year. The company has increased its full-year guidance as a result of the better-than-expected performance during the quarter. Adidas now expects currency-neutral revenues to increase at a mid- to high-single-digit rate in 2024. Previously it was expected to increase at a mid-single-…