* Atlantia's core earnings rose 6 pct in 2017
(Adds Atlantia CEO quotes, details, Getlink CEO quote)
PARIS Channel tunnel operator Getlink on Friday said it welcomed the purchase by Italy's Atlantia of a 15.49 percent stake in its capital as a sign of confidence.
PARIS, Feb 21 Channel tunnel operator Getlink
posted higher 2017 profits on Wednesday despite a
slowing British economy and said it would split the chairman and
CEO roles within three years.