Futures for the Dow Jones Industrials retreated 55 points, or 0.1%, to 38,954.
Futures for the S&P 500 gave up 0.25 points at 5,502.
Futures for the NASDAQ Composite gained 35.75 points, or 0.2%, to 19,980.50.
The major averages were mixed last week, with the blue-chip Dow posting its third losing week in four, while the S&P and NASDAQ rallied to record highs and notched their seventh up week in the last eight.
This week, investors will assess if that rally can continue, with cracks emerging in the market outlook.
This week will be a holiday-shortened week, with markets closed Wednesday for the Juneteenth holiday.
Investors are monitoring May retail sales data, due out on Tuesday, as well as home sales and housing starts data later in the week. Lennar, Kroger, Darden Restaurants and CarMax will report quarterly earnings.
In Japan, the Nikkei 225 dropped 1.8% Monday, while the Hang Seng in Hong Kong hesitated 5.66 points.
Oil prices added 22 cents to $78.67 U.S. a barrel.
Gold prices hiked $15.00 to $2,334.10 U.S. an ounce.