Futures on major U.S. stock indices point to a higher opening on Tuesday, following the gains in European and Asian stock markets as tensions eased on the Korean Peninsula.

Futures on the S&P 500 are up 0.32 percent, futures on the Dow Jones Industrial Average are up 0.30 percent and Nasdaq100 futures are up 0.23 percent.

On Monday, US stocks finished essentially flat in listless pre-holiday trading amidst low volume and a dearth of economic data.

Credit rating agency Moody's has warned it may lower Portugal's A1 debt rating by one notch or two, over worries about the government’s ability to get funding in debt markets and sluggish economic growth.

On the corporate front, shares of Adobe Systems (NASDAQ:ADBE) will be in focus as the company reported better-than-expected fourth quarter results on late Monday. The company shares advanced 5.49 percent to $29.18 in the pre-market trading on Tuesday.

Jabil Circuit Inc. (NYSE:JBL) shares surged 4.59 percent to $18.47 in the afterhours trading session after reporting better-than-expected first quarter results. The company’s first quarter net income rose to $0.61 per share and revenue rose to $4.14 billion, while analysts had anticipated revenue of $3.96 billion and net income of $0.54 per share.

On the earnings front, ConAgra, Carnival, and CarMax are due to report quarterly earnings before the opening bell, while Cintas Corp, Nike and Red Hat will release their quarterly earnings after the markets close.

The euro gained 0.16 percent to 1.3152 against dollar and the yen gained 0.13 percent against the greenback.

Crude oil futures rose 0.07 percent to $89.43/barrel and gold futures advanced 0.04 percent.

European stock markets are currently trading higher with FTSE 100 up by 40.04 points, DAX30 up by 39.23 points and CAC 40 up by 20.32 points.