ST. LOUIS, Feb. 13, 2018 /PRNewswire/ — Arch Coal, Inc. (NYSE: ARCH) today reported net income of $81.3 million, or $3.64 per diluted share, in the fourth quarter of 2017, compared with net income of $33.4 million, or $1.31 per diluted share, in the prior-year period. The company reporte…
