EquitiesJAPEX, Mebuki Financial boost ROE targets, looking to buck trendThe Nikkei Stock Average has seen increased volatility since reaching a record high on June 25. (Photo by Jumpei Kinefuchi)AKIRA INUJIMASeptember 1, 2026 06:18 JSTTOKYO -- Rising interest rates have hampered Japanese equities in recent weeks by lifting the companies' cost of capital -- and the return demanded by investors -- exacerbating volatility caused by sharp fluctuations in artificial intelligence stocks.Read NextLatest on Equities