US equity futures were little changed ahead of Thursday's opening bell as traders digested economic data, including a final revision to Q4 gross domestic product.

Dow Jones Industrial Average futures gained 0.1%, S&P 500 futures slipped 0.1%, and Nasdaq futures were down 0.2%.

Oil prices were lower, with front-month global benchmark North Sea Brent crude down 0.1% at $72.97 per barrel and US West Texas Intermediate crude down 0.3% at $69.44 per barrel.

Q4 gross domestic product, released at 8:30 am ET, was upwardly revised to a 2.4% annual growth from 2.3% in the flash report, compared with estimates compiled by Bloomberg for no change. New unemployment claims dropped to 224,000 in the week ended March 22 from 225,000 in the week prior, compared with estimates for 225,000 claims.

Pending home sales, due at 10 am ET, are seen to have risen by 0.9% in February after dropping 4.6% in January.

In other world markets, Japan's Nikkei closed 0.6% lower, Hong Kong's Hang Seng ended 0.4% higher, and China's Shanghai Composite finished 0.2% higher. Meanwhile, UK's FTSE 100 fell 0.7%, and Germany's Dax index dropped 0.9% in Europe's early afternoon session.

In equities, General Motors (GM) stock was 7% lower pre-bell after US President Donald Trump imposed a 25% tariff on imported cars and auto parts. GameStop (GME) shares were down 8% after the company unveiled a private offering of $1.3 billion convertible senior notes due 2030.

On the winning side, Soleno Therapeutics (SLNO) shares were up 35% after the company said overnight that the US Food and Drug Administration approved its treatment for hyperphagia in adults and children with Prader-Willi Syndrome.