The first after the Christmas holidays trading on the stock exchanges in mainland China opened the first day of the week plummeted by more than eight % on the backdrop of the spread of a new type of coronavirus, inform the auction. The main index of the Shanghai stock exchange Shanghai Composite to 09. 37 (4. 37 GMT) fell for 8, 07% to 2736, 28 points, Shenzhen Shenzhen Component failed on 8, 54% - 9769, 91 points. at the end of December, Chinese authorities announced an outbreak of pneumonia of unknown causes in Wuhan, Hubei province. The causative agent was a new type of coronavirus - 2019-nCoV. according to the final data, the number of confirmed cases worldwide has exceeded 17 thousand people, more than 360 people died. Most of the cases is in China, but cases of infection have likewise in Russia, USA, Germany and other countries. The world health organization declared the outbreak of 2019 coronavirus-nCoV emergency of international significance. <span style="color:darkgray