Retail sales and the broader Consumer Discretionary sector will take center stage this week as the holiday-shortened trading schedule ushers in the annual Black Friday and Cyber Monday shopping surge.

Will banks, post offices and shipping services be open on Thanksgiving and Black Friday? Here's what you need to know ahead of the holidays.

Of those surveyed shoppers who plan to spend less, 69% cited higher costs of living, while 43% blamed financial constraints, according to the survey.

According to the National Retail Federation, 187 million Americans plan to shop the Thanksgiving weekend, with 130 million Americans shopping on Black Friday.

Scottsdale Fashion Square: Closed Thanksgiving, but open starting at 8 a.m. to 9 p.m. on Black Friday. Arrowhead Towne Center: Closed Thanksgiving, but open starting at 8 a.m. to 9 p.m. on Black Friday.

Thanksgiving is right around the corner, and many retail stores like Target, Walmart and Best Buy will be closed ahead of Black Friday. Find out more.