US stock indices closed the first session of the week lower, with Apple and Amazon leading the decline in the tech sector and as US-China trade concerns resurface, with reports that US President Donald Trump gave instruction to implement new tariffs on $200 billion worth of Chinese imports, with Beijing promising a retaliation.
The tariffs will focus on internet tech products, electronics, consumer products and others.
Otherwise, earlier US data showed the Empire State Manufacturing Index receded to 19 in September from 25.6, missing estimates of 23.2.
Indices, Commodities
Dow Jones fell 0.35%, or 92.55 points to 26,062.12, while Standard and Poor's 500 shed 0.56%, or 16.18 points to 2,888.80. NASDAQ Composite slumped 1.43%, or 114.25 points to 7,895.79.
Gold futures due in December rose 0.42% to $1,206.10 an ounce, while the dollar index fell 0.43% to 94.51 against a basket of major rivals.
US crude futures due in October fell 0.32% to $68.77 a barrel, while Brent November futures slipped 0.15% to $77.97 a barrel.