NEW YORK (TheStreet) -- The holiday cheer that pushed stock markets to new heights last week looks to have run its course as U.S. stock futures slipped Monday morning.

S&P 500 futures slid 0.17%, Dow Jones Industrial Average futures fell 0.23%, and Nasdaq futures edged 0.09% lower.

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Futures followed European markets lower as Greek Prime Minister Antonis Samaras called for a general election in January after parliament failed to elect a president. Should the left-wing Syriza party win, international bailout plans will be put in jeopardy.

"With the will of our people, in a few days bailouts tied to austerity will be a thing of the past," Syriza leader Alexis Tsipras said after the parliamentary vote.

The Athens Stock Exchange slid more than 6%, while Germany's Dax fell 0.69% and France's CAC 40 dropped 0.42%.

Oil prices were climbing as fighting intensified at Libya's major Es Sider Port. Earlier, fires wiped out three oil-storage tanks holding around 800,000 barrels of crude at Libya's central export terminal. Crude prices have been pressured for months as supply outstripped demand. West Texas Intermediate crude jumped 1.3% to $55.43 a barrel.

The Manitowoc Company (MTW) jumped more than 11% premarket as activist investor Carl Icahn disclosed a 7.77% stake. Icahn hopes to break up the company's heavy machinery and cranes segment and its food-service equipment branch into two separate businesses.

Chipmakers Skyworks (SWKS) , RF Micro (RFMD) , and TriQuint (TQNT) were all lower before the bell following a valuation-triggered downgrade to "hold" from Needham analyst Quinn Bolton.

Trading of Sony (SNE) shares was quiet even after the studio reported $15 million sales from its digital distribution of controversial film 'The Interview.' The film has been streamed or purchased two million times via Google (GOOGL) Play and YouTube.

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--Written by Keris Alison Lahiff in New York.