Wall Street falls as biotechs, materials lag | Reuters

NEW YORK The S&P 500 and Nasdaq posted their largest weekly drops since March on Friday as slowing global growth dragged commodity-related stocks lower, while an earnings-related drop in Biogen took down the biotech sector.The Dow Jones industrial average .DJI fell 162.19 points, or 0.91 percent, to 17,569.73, the S&P 500 .SPX lost 22.33 points, or 1.06 percent, to 2,079.82 […]