European stocks close lower; earnings, Fed decision, and trade talks with China in focus. European stock indices fell on Wednesday, despite indications of trade talks between the U.S. and China, as investors digested more corporate earnings ahead of the Federal Reserve's monetary policy announcement.

The DAX index in Germany fell by 0.5%, while the CAC 40 in France dropped by 0.9% and the FTSE 100 in the UK decreased by 0.4%.