周二股票最大变动者：MMM、RAIL 等
· seekingalpha.com
股市变动股票：3M 因亚马逊数据中心交易而飙升，FreightCar 因前景预期下调而暴跌，Steel Dynamics 因盈利低于预期而下滑。
Stock futures exhibited mixed performance early Tuesday as Wall Street turned its focus to a heavy week of corporate earnings updates amid ongoing scrutiny of t...