Frankfurt's DAX traded 0.2% down on Friday, halting a four-day winning streak, pressured by rising oil prices and tech weakness. Investor enthusiasm for artificial intelligence faced another test, as disappointing earnings from Amazon and Intel triggered a broader sell-off that swept through European technology stocks. Meanwhile, market participants braced for a deluge of economic data, particularly inflation and GDP, while also eyeing more corporate earnings. Siemens Energy, Infineon Technologies, Hochtief were among the worst performers, with losses ranging between 2%-5%.