US stock futures add to gains; GDP revised higher

U.S. stock-index futures signaled a higher open on Tuesday as third-quarter GDP was revised up 5 percent and durable goods fell 0.7 percent.

Walgreen rose in premarket trading after the drugstore chain reported quarterly earnings that topped estimates; Keurig Green Mountain fell as the coffee recalled 6.6 million of its Mini Plus coffee makers because of a possible burn hazard.

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U.S. stocks rose on Monday, with technology leading the Dow and S&P 500 to record finishes in a rally that has persisted since the U.S Federal Reserve promised to be patient in looking to increase interest rates in the new year.

A trader works on the floor of the New York Stock Exchange.
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A trader works on the floor of the New York Stock Exchange.

Oil prices are still in focus, with Brent crude oil prices edging higher Tuesday following a volatile session the day before that saw contracts jump over 2 percentage points, before falling back to not much more than $60 a barrel. U.S. WTI crude was up 56 cents at $55.82 a barrel.

Stock volumes are thin this week and trading has been compressed due to Thursday's Christmas holiday and an early close Christmas Eve. European shares were mixed in morning trade on Tuesday with investors also reacting to economic data amid low volumes.

France's final third-quarter figure for gross domestic product (GDP) came in unchanged at 0.4 percent (year-on-year) with consumer spending also rising by the same figure.

In the U.K., third-quarter GDP came in at 0.7 percent, compared to the month before, unchanged from its first reading and below a forecast 0.8 percent.