** Shares of rail ticketing group Trainline TRNT.L up 10% at 280p, among top gainers on the FTSE mid 250 index .FTMC
** Britain says government will introduce the Railways Bill to establish new public body to oversee the country's railway network, simplifying operations and bolstering accountability
** Panmure Liberum analysts say shares are likely to be driven by that news, with TRNT taking a largely positive stance over the bill
** Co also raises its fiscal 2026 profit outlook
** It now expects adjusted core profit to grow 10%-13% over last year, compared to previous expectations of a growth of 6%-9%
** First-half adjusted core profit also rose 14% to 93 million pounds ($124.8 million)
** YTD, stock has fallen 36.43%
($1 = 0.7451 pounds)
(Reporting by Tuhina in Bengaluru)
(((( Tuhina@thomsonreuters.com ))))