US shares slide as market nerves return
(Closed): Stocks on Wall Street fell on Tuesday as the uncertainty surrounding the UK's vote to leave the EU continued to unsettle investors.
US markets were closed on Monday for the Independence Day holiday.
Oil prices fell by 4%. The price of a barrel of Brent crude dropped to $48.10 and US crude fell to $46.76.
"Brexit is a friction on economic activity and that's bad for banks," said Brian Battle, director of trading at Performance Trust Capital Partners.
Among the winners was online gaming company Zynga, which climbed 3.9%.
Netflix shares climbed 1.3% after it announced a deal with cable and internet provider Comcast to make Netflix services available through Comcast's set-top boxes.
Comcast shares were down 0.4%.