The bid-to-cover ratio for the U.S. 3-month Treasury bond auction as of August 5 was 2.62, compared with 3.01 in the previous session.

The National Hurricane Center said: Tropical Storm Debbie is currently about 120 miles (190 kilometers) south of Valdosta, Georgia, with maximum sustained winds of 70 mph (110 kph).

Brokerage firm Fidelity said the login issue that occurred earlier on August 5 had been resolved.

The U.S. National Hurricane Center: Tropical Storm Fabio has formed southwest of the Mexican coast and is expected to be short-lived.

Vanguard Group CEO sees more investment opportunities in Europe.

Affected by the plunge in the U.S. stock market, the short volatility index VIX futures ETF fell as much as 26% on the day.

Belgorod Governor of Russia: A drone attack occurred in the Belgorod region of Russia, killing one person and injuring three people.

The EU has added 28 Belarusian individuals to its sanctions list.

Turkish and Egyptian foreign ministers discussed nuclear energy and liquefied natural gas.

Boeing: Currently under contract with the U.S. Air Force for 26 aircraft.

The S&P 500 financial index fell to a seven-week low and was last down 2.6%.

The U.S. ISM non-manufacturing supplier deliveries index was 47.6 in July, compared with 52.2 in the previous month.

The U.S. ISM non-manufacturing inventory index was 49.8 in July, compared with 42.9 in the previous month.

The S&P 500 energy index hit a five-month low and was last down 2%.

The S&P 500 communications services index fell to a three-month low and was last down 3%.

According to DownDetector, a network status monitoring website: users reported problems with TD Ameritrade.

According to DownDetector, a network status monitoring website, users reported problems with software from Fidelity and Vanguard Group.