MINYANVILLE ORIGINAL Stock futures are down today as major companies reported poor earnings and Greece's rescue became less certain. Before the opening bell Dow (INDEXDJX:.DJI) futures fell 0.81% to 12 672.00. S&P 500 (INDEXSP:.INX) futures slipped 0.84% to 1 363.80 and Nasdaq (INDEXNASDAQ:.IXIC) futures declined by 0.58% to 2 557.00. Import and export prices made paltry gains in October. Export prices were flat and import prices rose only 0.5% on a monthly basis. The Reuters/University of Michigan consumer sentiment survey is expected to show gains in November. Economists say that the index which will be released later this morning ...