US stocks extended previous losses on Tuesday on increasing caution ahead of FOMC minutes, ECB policy decision and US labour market data. Corporate reports also weighted on risk-sentiment among market participants. S&P 500 edged down 0.43% to close at 1,379.32. Telecommunications sector limited losses of the index, with AT&T and Ryder System rising 1.31% and 0.41%. Shares of Goodyear Tire & Rubber Company advanced 10.41% as the company's income more than doubled in Q2. Meanwhile, health care industry dragged S&P 500 down after Aetna reported a 15% decline in profits in Q2. Shares of Aetna lost 2.91% on poor quarterly results. Coach was the top-loser, retreating 18.57% as the firm's revenues came below forecasts on weak sales in North American factory stores.