Visiativ SA (ENXTPA:ALVIV) acquired 20% stake in Valla SAS from Sacha Tolegano Jourdren on November 7, 2017. Valla SAS had revenue of €2.5 million in 2016. Visiativ SA (ENXTPA:ALVIV) completed the acquisition of 20% stake in Valla SAS from Sacha Tolegano Jourdren on November 7, 2017.