This study examines the impact of regulatory capital and several of its determinants on bank managers' financing decisions and investors' interpretations of those decisions. The analysis is related to 2 streams of research. This study adds to the corporate finance literature that seeks to explain the market's reaction to security issuances by developing and testing a refined set of predictions of the demand for debt and equity capital using a sample of capital-regulated firms. It was found that bank managers' financing choices reflect their private information regarding the levels of regulatory capital, earnings and charge-offs in the issuance year. a negative market reaction to capital-increasing issuances and a positive reaction to capital-decreasing issuances are documented.