FILE - In this Thursday, Jan. 23, 2020 file photo, Passengers wear protective face masks at the departure hall of the high speed train station in Hong Kong.  Fear about the effects of a new virus found in China is spreading faster through financial markets around the world than the sickness itself. U.S. stocks fell to their biggest weekly loss since early October on worries that the new coronavirus could ultimately hurt travel and global economic growth. (AP Photo/Kin Cheung, File)