Commerce Department's third-quarter gross domestic product.
National Association of Realtors: existing-home sales for November.
Government: Labor Department's weekly jobless claims; Commerce Department's durable goods, personal income and spending, and new-home sales for November.
Univ. of Michigan: Consumer Sentiment Index.
Freddie Mac: weekly mortgage rates.
U.S. financial markets are closed for the Christmas holiday.
No IPOs are planned for this week.