(Bloomberg) Global investors including Nomura Asset Management Co. and JPMorgan Asset Management are cautious about adding more Japanese bank stocks to their portfolios, even as their profitability is expected to improve on a widely-expected rate hike by the nation’s central bank as early as next week.Most Read from BloombergStock Traders Bracing for Worst Shrug Off Hot CPI: Markets WrapEx-Wall Street Banker Takes On AOC in New York Democratic PrimaryChina Has Never Canceled This Many Shipmen