NEW YORK (TheStreet) -- New all-time highs were in sight for U.S. stocks on Monday as markets edged further into record-breaking territory. If benchmark indexes can sustain gains throughout the session, the Dow Jones Industrial Average and S&P 500 will bag new records after closing at all-time highs on Friday.

The S&P 500 added 0.15%, the Dow gained 0.08%, and the Nasdaq was flat.

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European markets were lower after Greece's parliament failed to elect a president and Greek Prime Minister Antonis Samaras called for a general election in January. International investors are nervous that the left-wing Syriza party could win, putting the country's austerity plans 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 4%, while Germany's Dax fell 0.54% and France's CAC 40 dropped 0.62%. The National Bank of Greece (NBG) tumbled more than 9%.

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 0.95% to $55.25 a barrel.

The Manitowoc Company (MTW) jumped more than 9% 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 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 Play and YouTube.

LiveDeal (LIVE) jumped 25.2% after the online marketing small-cap reported third-quarter revenue 209% higher year over year. Net losses of 35 cents a share came in a penny wider than expected.

Google's (GOOG) Gmail email service has become unavailable in China after a steady decline in traffic since Friday. The Chinese government is reportedly behind the block, The New York Times reported. Google shares were flat.

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--Written by Keris Alison Lahiff in New York.