FinanceMeasure to lift capital efficiency gets boost from soaring stock pricesJapan's three megabanks -- Sumitomo Mitsui Financial Group, Mitsubishi UFJ Financial Group and Mizuho Financial Group -- are reducing their strategic shareholdings. (Photo by Nanami Sato)KAI ISHIZAKIJune 3, 2026 04:15 JSTTOKYO -- Japanese financial institutions are accelerating the sale of their strategic shareholdings and reaping huge profits thanks to the country's soaring stock prices, with market players looking to how these banks and insurance companies will use the funds.