There are no significant fundamentals today. This is a fairly light week: Consumer Credit (Tuesday), Mortgage Applications (Wednesday), Jobless Claims and Wholesale Trade (Thursday), International Trade and Consumer Budget (Friday).
Investors are more concerned today about Greece and the EU in general after a one day fit of euphoria induced by a better than average jobs report Friday. The debt of Greece is not massive but the internal macroeconomics of that nation are awful.
The Clint Eastwood/Chrysler Halftime in America ad yesterday may be getting more attention than any macro data today.