
Traders work on the floor of the New York Stock Exchange during morning trading on August 10, 2011 in New York City. Stocks fell sharply again today after a major rebound yesterday. (Photo by Mario Tama/Getty Images)

NEW YORK (AP) -- Markets are turning turbulent again after investors were unnerved by more signs of weakness in China, the world's second-largest economy.
Traders work on the floor of the New York Stock Exchange during morning trading on August 10, 2011 in New York City. Stocks fell sharply again today after a major rebound yesterday. (Photo by Mario Tama/Getty Images)
U.S. stocks sank 3 percent Tuesday, their third-worst drop this year. The two bigger falls occurred in the last two weeks.
The Dow Jones industrial average dropped 469 points, or 2.8 percent, to 16,058.
BREAKING: Dow closes nearly 470 points down pic.twitter.com/isKrnQzkDI
— TheBlazeNOW (@TheBlazeNOW) September 1, 2015The Standard & Poor's 500 index fell 58 points, or 3 percent, to 1,913. The Nasdaq slid 140 points, or 2.9 percent, to 4,636.
Oil prices also fell sharply as traders worried that China's weakening growth would mean lower demand for crude. U.S. oil sank almost 8 percent.
The plunge in oil sent energy stocks sharply lower. Exxon Mobil dropped 4 percent.
Bond prices rose. The yield on the 10-year Treasury note fell to 2.16 percent.