Finance Japanese financial group aims to compete with fund from Mitsubishi UFJ Asset Management SBI looks to leverage State Street’s investment capabilities and extensive product portfolio. (Source photos by Nikkei) RYUTA MINAMIHATA and KINU YONAGA TOKYO — Japanese financial group SBI Holdings and U.S. asset management giant State Street Investment Management will partner to launch investment trusts through a new joint venture, aiming for some of the lowest fees in Japan.