The fast-spreading new coronavirus is hurting the world's economies, lowering production and limiting travel.On Monday, the New York Stock Exchange stopped trading five minutes after opening,as the Standard and Poor financial index fell 7 percent.The automatic 15-minute halt took place to avoid a market crash.Financial markets in Japan, Hong Kong and Europe also ended the day lower than they opened.Late Sunday, the price of oil dropped nearly 20 percent,after oil producers Russia and Saudi Arabia fought over production limits and oil prices.Johns Hopkins University in the state of Maryland is reporting the spread of the coronavirus in real time.By Monday, it had counted more than 111,000 cases of infections around the world, including more than 3,800 deaths.Italy has reported more than 7,300 cases of the coronavirus disease, called COVID-19.At least 460 people there have died of the disease.