Futures for U.S. markets were red across the board on the eve of the presidential election, as investors held their breath, and after U.S. and Europe shares closed higher Monday.

The S&P 500 and the Dow Jones Industrials were both off 0.32%, while Nasdaq pared 0.35% at 9:08 p.m. ET.

Markets around the world were stronger Monday after a last-minute about-face by the FBI removed questions about its investigation into Hillary Clinton's use of a private email server during her tenure as secretary of State. Investors are now looking to see if Donald Trump can pull off a surprise win or if polls predicting Clinton's victory turn out to be right.

Hopes of a Clinton win pushed U.S. and European markets strongly higher Monday. In the U.S., the S&P 500 closed 2.22% higher, the Dow up 2.08% and Nasdaq 2.37% in the green. Meanwhile the Dax added 1.93% in Frankfurt, the FTSE 1.7% in London and the Cac 1.91% in Paris.

Asia opened mixed early Tuesday with Japan's Nikkei falling 0.15% and the ASX in Australia 0.03%. The Hang Seng in Hong Kong added 0.2% at 10:11 p.m. ET.

In energy, a future for a barrel of industry standard Brent crude gained 3 cents to $46.18, while a future for West Texas crude slid 10 cents to $44.79 at 9:59 ET. The prices are for delivery in January and December, respectively.

In after-hours trading, shares of Marriot International (MAR) shares fell 2.73% to $69.16 after the hotelier reported mixed third-quarter results after the close Monday, beating Wall Street earnings expectations but falling short on revenue predictions.

Marriott reported third-quarter adjusted diluted earnings of 91 cents per share on revenue of $3.77 billion, compared to year-over-year diluted earnings of 78 cents per share on $3.58 billion in revenue. Analysts surveyed at FactSet forecast Marriott to report third-quarter earnings of 89 cents per share on $4 million in revenue.

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