Stocks: Five things to know before the open

premarkets monday february 9
Click on chart for more premarket data.

It looks like a case of Monday morning blues.

World markets are sliding and U.S. stock futures are trading 0.5% down.

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

Related: CNNMoney's Tech30

1. Greek drama continues: Greek Prime Minister Alexis Tsipras reaffirmed his rejection of the terms of an international bailout, putting the country on course for a showdown with its European creditors at an emergency meeting on Wednesday.

The benchmark index in Athens was down 5%, and Greek 10-year bond yields widened sharply to 11% as investors prepared for a lengthy standoff.

Adding to the drama, former Fed chairman Alan Greenspan told the BBC that Greece's exit from the eurozone was just a matter of time.

Related: What markets need now? American spending

2. World markets sink: All European markets started the week lower, pulled down by fears about the clash with Greece over its debt. Asia was a more mixed picture. The Nikkei was up 0.36% while Hong Kong's Hang Seng was down 1%. India's main market was down 1.7% ahead of GDP data due at 7 a.m. ET Monday.

3. Investors like European QE: Europe's losses came despite a new survey by Sentix research showing investors have become increasingly bullish about the eurozone in February following the European Central Bank's decision to pump billions into the system through a QE program.

4. Stocks to watch: Toymaker Hasbro (HAS) will report earnings before the opening bell, as will Masco Corporation (MAS).

HSBC (HSBC) came under fire in Europe following accusations that it had helped clients hide $100 billion in Swiss bank accounts. Its shares were trading 1.5% down in London Monday morning.

5. Friday market recap: The Dow Jones industrial average lost 61 points, while the S&P 500 fell 0.3% and the Nasdaq slid 0.4%.

CNNMoney Sponsors