European stocks plummeted on Monday amid new Hong Kong protests, worrying Chinese economic data as well as Moody's warning about the UK sovereign debt and the start of a gloomy week.
At writing time, the STOXX 600 index was down 0.2%.
The London FTSE 100 index fell 0.6%, leading declines among the regional indices.
German stocks plummeted 0.3% after news of a 4% drop in China's biggest auto industry in October.
The European auto index fell 0.5%.
Meanwhile, the British baker and food group Greggs, rose 10.6% after forecasting profit growth in 2019.