Mizuho Financial Group's Investment Plans Uncertain, Shares Drop
Written by Emily J. Thompson, Senior Investment Analyst
Updated: May 18 2026
0mins
Source: CNBC
- Stock Volatility: Mizuho Financial Group's shares fell as much as 7.7% on Monday after the company clarified that it has yet to decide on an investment in Rakuten Bank, indicating market uncertainty regarding its investment strategy.
- Investment Plans Undecided: Despite reports from Yomiuri Shimbun suggesting Mizuho plans to increase its stake in Rakuten Bank, Mizuho stated it is exploring various options, including the possibility of investing in Rakuten Bank, indicating that its investment decisions are still under evaluation.
- Strong Financial Performance: Mizuho reported a 660% year-on-year increase in net profit for the fourth quarter, reaching 228.7 billion yen ($1.44 billion), driven by strong growth in its fee business and a higher central bank policy rate, demonstrating robust fundamentals.
- Market Focus on Restructuring: Analysts noted that Rakuten Group's fintech segment is undergoing reorganization, expected to be completed by October 2026, and Mizuho's direct intervention could help avert overvaluation risks in Rakuten Bank's securities and card segments.
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Analyst Views on MFG
Wall Street analysts forecast MFG stock price to rise
1 Analyst Rating
1 Buy
0 Hold
0 Sell
Moderate Buy
Current: 8.950
Low
38.88
Averages
38.88
High
38.88
Current: 8.950
Low
38.88
Averages
38.88
High
38.88
About MFG
Mizuho Financial Group Inc is a Japan-based company mainly engaged in the banking, trust banking, securities, and other financial services. The Company operates through five business segments: Retail & Business Corporations Company (RBC), Corporate & Investment Banking Company (CIBC), Global Corporate & Investment Banking Company (GCIBC), Global Markets Company (GMC), and Asset Management Company (AMC). The CIBC segment operates for clients of large corporate corporations, financial corporations and public corporations in Japan. The GCIBC segment operates for clients of overseas-affiliated Japanese companies and non-Japanese companies. The GMC segment is engaged in investment business in interest rates, equity, among others. The AMC segment is engaged in the development and provision of products that meet the asset management needs of clients from individuals to institutional investors.
About the author

Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
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- Stock Volatility: Mizuho Financial Group's shares fell as much as 7.7% on Monday after the company clarified that it has yet to decide on an investment in Rakuten Bank, indicating market uncertainty regarding its investment strategy.
- Investment Plans Undecided: Despite reports from Yomiuri Shimbun suggesting Mizuho plans to increase its stake in Rakuten Bank, Mizuho stated it is exploring various options, including the possibility of investing in Rakuten Bank, indicating that its investment decisions are still under evaluation.
- Strong Financial Performance: Mizuho reported a 660% year-on-year increase in net profit for the fourth quarter, reaching 228.7 billion yen ($1.44 billion), driven by strong growth in its fee business and a higher central bank policy rate, demonstrating robust fundamentals.
- Market Focus on Restructuring: Analysts noted that Rakuten Group's fintech segment is undergoing reorganization, expected to be completed by October 2026, and Mizuho's direct intervention could help avert overvaluation risks in Rakuten Bank's securities and card segments.
See More











