Fannie Mae is trading 5.5% higher at $4.43, with no fresh company-specific announcement explaining the October 1 move. - The broad market is slightly lower and does not explain the gain; elevated Treasury yields are a potential headwind for housing finance shares. - FHFA’s September 30 unified mortgage-pricing-grid news and a KBW price-target cut were reported alongside the prior session’s decline, not as a clear explanation for today’s rebound.