** London-listed shares of Smurfit Kappa SKG.L down as
much as 12.6% to 2,680p, their lowest since July 11
** Stock is the top pct loser on FTSE 100 .FTSE index
** Smurfit and WestRock WRK.N to combine to create one of
the world's largest paper and packaging producers worth nearly
$20 bln
** WestRock stockholders will get one new Smurfit WestRock
share and $5 in cash for each share they hold, which works out
to $43.51/share
** Combined entity - named Smurfit WestRock and domiciled in
Ireland - will become largest listed global packaging partner by
revenue
** Stock currently down about 10%, pushing YTD losses to
more than 9%
(Reporting by Aby Jose Koilparambil in Bengaluru)
((abyjose.koilparambil@thomsonreuters.com))