Japan's corporate governance reforms could unleash 840 billion dollars in corporate cash, potentially fueling a fresh surge in the country's stock market. The revision to the corporate governance code aims to encourage companies to deploy their substantial cash reserves more efficiently, addressing long-standing concerns about Japan's cash-hoarding corporate culture.

The move comes as part of broader efforts to revitalize Japan's economy and stock market, which have struggled with low valuations and stagnant growth. By pushing companies to return cash to shareholders or invest in growth opportunities, regulators hope to make Japanese stocks more attractive to both domestic and international investors.

This potential cash release could provide a significant boost to market liquidity and valuations, particularly benefiting sectors with large cash balances. The reform represents a pivotal shift in Japan's approach to corporate governance and could mark a turning point for the country's equity markets.