HOUSTON, Jan. 31, 2018 /PRNewswire/ -- Kirby Corporation ("Kirby") (NYSE: KEX) today announced net earnings attributable to Kirby for the fourth quarter ended December 31, 2017 of $231.3 million, or $3.87 per share, compared with $32.4 million, or $0.60 per share, for the 2016 fourth...
