Tokyo based investment robo-advisory service WealthNavi has closed a $15m Series B funding round with participation from SBI, Mizuho Capital, SMBC Venture Capital, DBJ Capital and Infinity Venture Partners. WealthNavi offers a cloud-based robo-advisory service that helps middle-income people better locate diversified investments internationally that launched in July 2016.Read more at: http://www.dealstreetasia.com/stories/japan-2-54980/