** Shares in Blackstone-backed Cirsa CIRSA.MC fall 2.1% after the Spanish gambling company posted earnings growth in Q1 but profits from its online betting business fell
** Core earnings of the online betting unit fell by 12%
** Its Q1 core earnings grew about 8%, but its quickly-expanding online betting business suffered due to the progressive increase in gaming taxes in Peru, Cirsa said
** Including the session's fall, the stock has lost about 10% of its value since the beginning of the year
(Reporting by Javi West Larrañaga)
((javier.west@thomsonreuters.com; +34 918 35 61 12))