U.S. stock futures were little changed Tuesday after the Dow Jones Industrial Average surpassed 38,000 for the first time ever.
Futures for the 30-stock index faded 36 points, or 0.1% to 38,163.
Futures for the S&P 500 hiked 4.75 points, or 0.1%, at 4,885.75.
Futures for the NASDAQ pushed higher 30 points, or 0.2%, to 17,488.50.
United Airlines rose more than 6% in the pre-market after reporting strong fourth-quarter results. However, the airline operator said it expects a first-quarter loss from the grounding of Boeing 737 Max 9 airplanes, the model involved in the Alaska Airlines emergency earlier this month.
At its Tuesday earnings call, United will likely field questions about the grounding and any compensation from Boeing.
Shares of other airline operators rose in tandem with United. American Airlines and Southwest Airlines each added 3% and 2.8%, respectively. Alaska Air Group and Delta Air Lines climbed roughly 2% each.
But investors are deliberating how long the gains can persist, especially as the rally this year has centered around tech stocks such as Nvidia, while broader participation has continued to disappoint. This month alone, Nvidia is up 20%.
In Japan, the Nikkei 225 slid 0.1% Tuesday, while in Hong Kong, the Hang Seng Index vaulted 2.6%.
Oil prices dipped 74 cents to $74.02 U.S. a barrel.
Gold prices zoomed $5.40 to $2,027.60 U.S. an ounce.
