** Dutch insurer NN Group NN.AS shares rise 1.3% while peer ASR Nederland ASRNL.AS down 0.6%
** J.P.Morgan upgrades NN from "neutral" to "overweight" , citing strong earnings growth potential and more diversified business mix
** Raises EPS estimates by about 4% to 10% for 2025-2028, reflecting higher projections in Japan and other units
** Expects NN's diversification strategy to make earnings less dependent on its Netherlands Life business
** Anticipates NN progressive share buyback policy from 2026, increasing shareholder returns
** Downgrades ASRNL from "overweight" to "neutral", noting NN offers better earnings and valuation potential
** We think NN's discount and implied higher cost of equity is no longer justified given what we would view as a more diversified business mix - JPM
(Reporting by Gianluca Lo Nostro)
((gianluca.lonostro@thomsonreuters.com;))