** Shares of rail ticketing co Trainline TRNT.L up 13.5% at 295.2p; stock top gainer on FTSE mid 250 index .FTMC
** Company expects FY2026 adjusted EBITDA to grow at the top end of its 6%-9% guidance range
** Reaffirms FY26 forecast for group net ticket sales to rise 6%-9% and revenue 0%-3% year-on-year
** Announces new share buyback program of 150 million pounds ($202.62 million)
** As of last close, TRNT down ~40% YTD
($1 = 0.7403 pounds)
(Reporting by Atharva Singh in Bengaluru)
((Atharva.singh@thomsonreuters.com))