** U.S. refiner Par Pacific Holdings' PARR.N shares rise
6.2% to $34.65
** Stock hits all-time high
** Co posts Q2 adj. EPS of $1.73 vs avg analysts' estimated
EPS of $1.21 - Refinitiv
** PARR also raises its share buyback program to $250 mln
compared to its earlier $50 mln program
** Co says adj. gross margin for its refining segment fell
in Q2 to $205.6 mln vs $287.3 mln in the year-ago quarter
** Brokerage TD Cowen writes that earnings beat was driven
by better than forecast results at its Hawaii and Billings
refineries
** PARR closed the acquisition of the Billings refinery from
Exxon Mobil XOM.N on June 1
** Including the session's gains, stock is up ~50% YTD
(Reporting by Sourasis Bose in Bengaluru)
((Sourasis.bose@thomsonreuters.com))