CNBC | Dow falls 100 points in open; oil slide, China in focus CNBC U.S. stocks traded lower Monday as declines in oil prices and continued signs of contraction in China's manufacturing sector weighed ahead of the U.S. ISM manufacturing report. The Dow Jones industrial average fell more than 100 points in opening trade ... US stocks: Dow futures fall by triple digits as oil and Chinese markets drop US stock futures fall as oil prices, Chinese markets drop Wall St. set to open lower after weak Chinese data |