National’s statutory capital rose $31 million from year-end to $968 million, primarily reflecting first-half statutory earnings and unrealized investment gains. MBIA Insurance Corp. reported statutory net income of $27 million in the second quarter, up from $4 million a year earlier. MBIA Insurance Corp.’s statutory capital rose $27 million from year-end to $106 million, while claims-paying resources increased $25 million to $342 million. MBIA Insurance Corp.’s book value represented negative $54.26 per share of that total. Through its core insurance subsidiary, MBIA Insurance Corp., the firm offers financial guarantees, reinsurance support and customized credit solutions designed to improve the marketability and pricing of debt instruments.