The average rate on the 30-year, fixed-rate mortgage went up two basis points, the 15-year fixed increased three basis points and the 5/1 ARM jumped seven basis points, according to a NerdWallet survey of daily mortgage rates published Tuesday by national lenders. Shorter-term interest rates, such as for the 5/1 ARM, tend to move up and down with... Holden Lewis is a writer at NerdWallet.