30 year fixed mortgage rates have risen a quarter point this week to 4.25% on plummeting mortgage-backed securities prices. MBS prices drive mortgage rates in the opposite direction. Conventional 15 year fixed interest rates are also up a quarter of a percent and are at 3.75% currently for well-qualified borrowers who pay a standard .07 to 1 point origination. Both fixed mortgage rates are up substantially from last week and at an immediate risk to rise further. Read the Full Article