[ad_1] Dow Jones futures dropped 150 points Tuesday morning, as blue chips 3M and Coca-Cola reported their quarterly earnings results. Next up, Microsoft earnings are due out after the close. X Stock Market Today: Earnings Season Continues Dow Jones stocks 3M (MMM) and Coca-Cola (KO) reported Tuesday. General Motors (GM), Halliburton (HAL), Raytheon Technologies (RTX)