From Yahoo Finance:

You never can know what events will impact the stock market. In recent weeks, news of the coronavirus outbreak in China has been garnering headlines – and rightly so, as there have been over 2,800 confirmed cases of the contagious respiratory virus, and 81 people have died in China. With confirmed cases in the US, it’s clear that the virus has gotten into international travel routes – and while it’s not a particularly deadly disease, it does have potential for a serious epidemic.

Read more