【JR東日本】過去最大の1,553億円赤字!株価はどうなる? https://kabukore.jp/%e3%80%90%ef%bd%8a%ef%bd%92%e6%9d%b1%e6%97%a5%e6%9c%ac%e3%80%91%e9%81%8e%e5%8e%bb%e6%9c%80%e5%a4%a7%e3%81%ae%ef%bc%91%ef%bc%95%ef%bc%95%ef%bc%93%e5%84%84%e5%86%86%e8%b5%a4%e5%ad%97%ef%bc%81%e6%a0%aa/