Stocks end bumpy day lower after Trump's positive virus test

In this photo provided by the New York Stock Exchange, a specialist works at his post on the trading floor during the listing of ION Acquisition Corp 1 Ltd., from Israel, Friday, Oct. 2, 2020. Stocks are pulling lower Friday, as Wall Street's first reaction to President Donald Trump's testing positive for the coronavirus was to retrench. (Courtney Crow/New York Stock Exchange via AP)

Pedestrians pass the New York Stock Exchange, Friday, Oct. 2, 2020, in New York. Stocks are pulling lower Friday, as Wall Street's first reaction to President Donald Trump's testing positive for the coronavirus was to retrench. (AP Photo/John Minchillo)

Pedestrians pass the New York Stock Exchange, Friday, Oct. 2, 2020, in New York. Stocks are pulling lower Friday, as Wall Street's first reaction to President Donald Trump's testing positive for the coronavirus was to retrench. (AP Photo/John Minchillo)

In this photo provided by the New York Stock Exchange, traders work on the floor during the listing of ION Acquisition Corp 1 Ltd., from Israel, Friday, Oct. 2, 2020. Stocks are pulling lower Friday, as Wall Street's first reaction to President Donald Trump's testing positive for the coronavirus was to retrench. (Courtney Crow/New York Stock Exchange via AP)