European stock markets opened on a downtrend, with the Euro Stoxx 50 index falling by 0.9%. Germany's DAX30 decreased by 0.8%, while the UK's FTSE 100 dropped 0.7%. France's CAC40 and Spain's IBEX35 both saw declines of 0.6%, and Italy's FTSE MIB fell by 0.7%. These declines reflect a broader negative sentiment across European markets.