** Shares of Viva Energy VEA.AX advance as much as 5.8% to
A$3.31, hitting a record high
** Shares rise for third straight day
** Australia's competition regulator says it will not oppose
co's proposed acquisiton of OTR Group from Adelaide-based
Peregrine Corp for A$1.15 bln ($767.05 mln)
** Approval comes after court enforceable undertaking by
Viva Energy to divest 25 Coles Express sites in South Australia.
** Shares set to see best day since April 5 - if current
trend holds
** Stock has risen ~14.7% this year as of last close
($1 = 1.4993 Australian dollars)
(Reporting by Archishma Iyer in Bengaluru)
((Archishma.Iyer@thomsonreuters.com;))