Japan, May 20 -- Sumitomo Mitsui Banking Corporation (President & CEO: Akihiro Fukutome; "SMBC") and Toshiba Corporation (President & CEO: Taro Shimada; "Toshiba") announced the joint development of the SMBC/TOSHIBA Quantum Driven Diversified Japan Equity Index and the SMBC/TOSHIBA Quantum Driven Diversified U.S. Equity Index, new equity indices realized with advanced quantum-driven technologies. Collectively, the indices are referred to as "SMBC/TOSHIBA Quantum Diversified" (the "Indices").1. Background and Objectives Equity investment is central to asset management, but it also carries the ever-present risk of abrupt and substantial market fluctuations driven by geopolitical developments, changes in economic policy, and other external fac...