US STOCKS-Wall St slides with commodity-related stocks, auto suppliers
* Copper prices hit 3-week low, oil down about 2 pct
* All 30 Dow components and 10 S&P sectors down
* Volatility index jumps
* Goldman falls after CEO discloses he has cancer
* Indexes down: Dow 1.1 pct, S&P 1.2 pct, Nasdaq 1.5 pct (Updates to close)
By Caroline Valetkevitch
Sept 22 (Reuters) - U.S. stocks dropped on Tuesday as a selloff in commodities dragged down materials shares and Volkswagen suppliers' shares dropped following the German carmaker's emissions scandal.
S&P materials, down 1.8 percent, led the decline for the S&P 500, but the selloff was broad-based, with all 10 major sectors lower.
More worries about slower growth in China pushed commodities to two-week lows, with copper prices and industrial metals leading losses. U.S. crude oil also settled lower. Continuación...