U.S. stocks ended lower on Thursday.
The Dow Jones Industrial Average fell 0.85 percent to 53,885.10 points. The S and P 500 sank 0.18 percent to 7,709.96 points. The Nasdaq Composite Index shed 0.06 percent to 26,348.35 points.
U.S. stocks close lower
The number of confirmed Ebola cases in the Democratic Republic of the Congo (DR Congo) has reached 4,053, including 1,850 deaths, according to an update released Thursday by the country's health authorities.
A total of 694 patients remain in isolation or hospital care, while 793 people have recovered.
International medical humanitarian organization Medecins Sans Frontieres warned Wednesday that the Ebola outbreak in eastern DR Congo is "more critical than ever," spreading at an alarming and unprecedented pace with "no sign of slowing down."
Ebola caseload in DR Congo tops 4,000