Stock futures pointed to a lower open in the stock market today amid tensions in Ukraine and weak Chinese factory data. Nasdaq 100 futures slumped 17 points vs. fair value, a formula that takes into account interest rates and dividends. S&P 500 futures dropped 9 points and Dow futures fell 65 points. Fighting broke out in a number of cities in eastern Ukraine over the weekend, where pro-Russian troops freed about 70 activists.