European stocks edged lower on Wednesday, with the EURO STOXX 50 down 0.1% and the STOXX 600 off 0.2%, as investors digested a new round of corporate earnings and stayed cautious ahead of the Federal Reserve’s monetary policy decision later in the day. Logitech slumped 10.6% on supply chain problems. GSK lost 4.1% after results disappointed investors, despite a modest earnings beat. Banco Santander slipped 3.2% following a decline in net profit, while UBS fell 2% even though its net earnings matched expectations. Mercedes-Benz dipped 0.1% after reporting a steep drop in car sales and cutting its guidance. Shares of BNP Paribas were little changed despite a strong jump in revenues. By contrast, Worldline surged more than 15% after posting revenue growth. Standard Chartered gained 4.5% after raising its full-year targets, and Deutsche Bank rose 3.2% on the back of higher year-on-year profit.