** Shares in Finnish insurer Sampo SAMPO.HE rise around 3% after it posted Q2 earnings ahead of Vara compiled consensus, raised the full-year outlook
** Sampo's Q2 pre-tax profit increased 18% YoY to EUR 526 million ($608.95 million), surpassing the EUR 430 million forecast by analysts
** The company raised the full-year outlook for underwriting result to EUR 1.43-1.53 billion and slightly increased group insurance revenue guidance to EUR 8.9-9.1 billion
** Jefferies notes Sampo has unveiled a EUR 200 million share buyback, which came as a surprise to most analysts - Jefferies included
** "Beyond the headline figures, however, we find ourselves most impressed by the Nordic underlying risk ratio, which improved by -40bps year-on-year," adds the brokerage
** Up to the previous session's close, shares were up 21.5% YTD
($1 = 0.8632 euros)
(Reporting by Agnieszka Gosciak-Rabalska)
((Agnieszka.gosciak@thomsonreuters.com))