Futures for U.S. markets were lower late Monday as investors await the latest earnings season and wonder if the Trump rally hasn't pushed markets too high.

The S&P 500 lost 0.9%, the Dow Jones Industrial Average, 0.7%, and Nasdaq, 0.6%, at 9:35 p.m. EST.

Although Nasdaq hit a new record Monday, other indices closed lower as investors began to ponder what will be President-elect Donald Trump's economic policies and what they will mean for equities. Computer and iPhone maker Apple (AAPL) also got a bump on the 10th anniversary of its game-changing smartphone.

The Nasdaq added 0.19% to 5,531.82 Monday, while the S&P slid 0.35% and the Dow lost 0.38%. Europe was also mixed Monday with continental bourses down: Germany's Dax pared 0.3% and the Cac in Paris, 0.45%, while the FTSE gained 0.38% as the pound recovered.

Asia also traded lower early Tuesday after a drop in oil. The Nikkei in Japan fell 0.03%, the Hang Seng in Hong Kong, 0.3%, the Kospi in South Korea, 0.15%, and the ASX in Australia, 0.84%, at 9:56 p.m. EST.

Oil recovered as Asia awoke after falling nearly 4% Monday. A future for a barrel of industry standard Brent crude delivered in March cost $55.04 at 9:43 p.m., an increase of 0.18%. Meanwhile, a future for West Texas crude delivered next month gained 0.19% to $52.06.

The dollar index, which uses a number of currencies as a yardstick for the greenback, slid 0.2% to 101.64 at 9:59 p.m. EST after hitting a high near 104 last week.

In after-hours trade, shares of Barracuda Networks (CUDA) jumped 8.12% to $25.70 when gaining 4.35% in the regular session after the cloud-computing company beat analyst expectations for its the fiscal third quarter. Campbell, Calif.-based Barracuda reported adjusted third-quarter earnings of 22 cents a share on revenue of $88.8 million. FactSet analysts wanted earnings of 14 cents a share on revenue of $86.6 million.

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