** Shares in Havas HAVAS.AS rise over 8.6% after the French advertising company reported full-year organic growth beat
** 2025 organic growth of 3.1% was above the consensus of 2.9%, as cited by J.P. Morgan
** Havas sees 2-3% organic growth in 2026 and confirms mid-term guidance
** JPM says that Havas trades at a 20% discount compared to peers Publicis PUBP.PA and WPP WPP.L on the basis of the EV/NOPAT (Enterprise Value/Net Operating Profit After Tax) metric
** "It is the cheapest of the agencies and it is delivering on its targets," says the brokerage
** Shares track their best day ever, if gains hold
(Reporting by Michal Aleksandrowicz)
((michal.aleksandrowicz@thomsonreuters.com))