By Luc Olinga The trading platform took an unprecedented action without warning its customers who do not hide their anger and frustration. Etoro is in trouble. The Israeli online trading platform has been going through a crisis of confidence with its customers for the past few days after it made a decision that had a significant impact on many stock portfolios. Etoro clients who invested in Russian shares received a message from the platform from Thursday explaining that their shares had been liquidated without their notice. The customers most affected are those who owned shares in Russian sup…