Experian shares rise as $1 billion buyback plan unveiled
** Shares of credit data and analytics company Experian EXPN.L rise 2% to 2,749p ; stock is top-gainer on FTSE-100 index .FTSE ** Co announces launch of new $1 billion share repurchase programme ** Says medium-term financial framework, capital allocation framework and dividend policy remain unchanged ** In 2025, stock fell ~2% (Reporting by Rishab Shaju in Bengaluru) ((Rishab.shaju@thomsonreuters.com ; +91 9048142177))