** Shares in Betsson BETSb.ST rise 4% as the Swedish online gambling company reported a strong start to Q2 after posting January-March earnings above estimates
** Pareto Securities points out Betsson's sales of EUR 294 million ($335 million) are an 18% increase year-on-year, beating expectations by 1%
** B2B growth of 33% fuelled the sales increase, but was somewhat offset by B2C, says Pareto
** Pareto notes that casino revenues beat expectations by growing 18%, while sportsbook revenues matched consensus
** The broker adds that the "strong start" to Q2 is likely to improve estimates by moderate single-digit percentage
** The stock is on track for its best day in two months, if gains hold
($1 = 0.8767 euros)
(Reporting by Vera Dvorakova)
((vera.dvorakova@thomsonreuters.com))