Stocks: 6 things to know before the open

How to keep your holiday shopping in budget
How to keep your holiday shopping in budget

Shake off that Thanksgiving food coma. This week is all about big meetings: A climate summit in Paris, OPEC, the European Central Bank and the IMF.

Here are the six things you need to know before the opening bell rings in New York:

U.S. stock futures are flat on Monday.

1. Online shopping frenzy: This year, more Cyber Monday sales than ever started well before Monday and will continue all week. Retailers are hoping for a holiday season boost, as it has been a lousy year for them so far. Consumers have been surprisingly skittish, despite improvement in the job market and low gas prices.

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2. Chinese yuan gets international status: The International Monetary Fund is expected Monday to include the Chinese yuan in the IMF's Special Drawing Rights basket, the elite group of currencies used to value reserve assets.

China has pushed for the yuan to be part of the mix, which currently includes the dollar, euro, British pound and Japanese yen.

3. Big meetings: Nearly 150 world leaders are meeting at the COP21 climate summit in Paris this week. They will try to reach an agreement on legally binding reductions in greenhouse gas emissions.

The focus will shift to Frankfurt on Thursday, where the European Central Bank is expected to start pouring more money into the economy.

Finally, OPEC is set to meet on Friday to discuss its strategy for next year. There's likely to be heated discussion about its policy of maintaining high production to protect the oil cartel's market share despite low oil prices.

Related: Gold price plummets to almost 6-year low

4. Stock market movers -- Paypal, Amazon, Gap, BHP: Cyber Monday is giving a lift to some retailers. Amazon (AMZN) is rising 0.4% premarket, and Gap (GPS) is up 0.3%. Paypal (PYPL) is up 0.7%.

Mining giant, BHP Billiton (BHP) is down 4.5% in London. The Brazilian government said it intends to sue the company for $5.2 billion over the collapse of a dam in Minas Gerais state earlier this month.

Coming soon: one dollar = one euro

5. Earnings and economics: A handful of companies will publish their results on Monday. New York listed Chinese classified advertising website (WUBA) and the mobile game publishing company iDreamSky Technology Ltd. (DSKY) will report before the opening bell.

Internet service provider NQ Mobile (NQ), Shoe Carnival Inc (SCVL), and Thor Industries Inc (THO) will follow after the close.

The U.S. Pending Home Sales report comes out at 10 a.m. ET. The data gives investors a glimpse of the trends in the U.S. housing market and is one of a range of data the Fed will consider when deciding whether to raise interest rates in December.

Related: CNNMoney's Tech30

6. Markets overview: European markets are mixed in early trading. Asian markets also ended the session mixed. Chinese markets experienced a sharp sell-off midday, but recovered later in the day.

Last week's holidays meant stocks saw little change. The Dow Jones industrial average edged down 0.1%, the Nasdaq climbed 0.4% and the S&P 500 closed the week virtually unchanged.

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