In addition, the big restructuring from Alcoa (AA) and an 11% drop in crude oil prices which pulled commodities and commodity stocks down also weighed on stocks.

• 另外，美铝(AA)进行重大重组、原油价格暴跌11%25，这两大因素同时拉底了大宗商品和大宗商品股的价格，从而拖累大盘。