The average rate on a 30-year U.S. mortgage slightly decreased this week to 6.18%, down from 6.21% last week. Borrowing costs on 15-year fixed-rate mortgages rose to 5.50% from 5.47%. Mortgage rates are influenced by factors such as the Federal Reserve’s interest rate decisions and bond market expectations.

The 10-year Treasury yield was at 4.15%, up slightly from last week’s 4.12%. Mortgage rates have been relatively stable since October. Sales of previously owned homes rose in November but slowed compared to last year. Economists predict 30-year mortgage rates will stay above 6% next year.

Read more at Yahoo Finance: Average US long-term mortgage rate ticks down to 6.18% this week