Stocks open down, but China at 3-year high By: CNBC.com News November 12, 2014 at 10:32 AM EST U.S. stocks opened lower on negative sentiment in Europe, but the Shanghai Composite closed up 1 percent to a three-year-high. Read More >> Related Stocks: Cloud Computing ETF FT DuPont USA Macy's Pinnacle Foods Inc The Carlyle Group