The document discusses how achieving a higher return on equity (ROE) than the cost of equity capital (COE) can increase a bank's market value relative to its common equity. It analyzes data showing midcap bank holding companies with larger spreads between ROE and COE have higher market capitalization to book common equity ratios. One bank, Signature Bank, is highlighted as having a large ROE-COE spread of 9.5%, resulting in its market value being 2.3 times its equity. The document also notes that a high ROE allows for greater reinvestment in common equity, further increasing market value over time. Bank stock prices in early 2016 are said to have corrected based on weakness in the Chinese