U.S. stocks fell on Wednesday. The Dow Jones industrial average fell 522.45, or 1.7 percent, to 30,183.78. The broader Standard & Poor's 500 index fell 66, or 1.7 percent, to 3,789.93. The technology-heavy Nasdaq composite index fell 204.86, or 1.8 percent, to 11,220.19. As for oil prices, West Texas Intermediate (WTI) crude futures fell $1, or 1.2 percent, to $82.84, its lowest close since September 7.