Europe's woes spilling over to U.S.

Referring to the European debt crisis with the cutesy shorthand acronym of the PIIGS just doesn't seem right anymore.

The problems on the continent now go far beyond the southern peripheral nations of Portugal, Italy, Greece and Spain (with Ireland up north tossed in for good measure.)

Political instability in France and The Netherlands are making investors even more nervous. And they should be -- especially since Europe's woes are starting to spill across the Atlantic.

Several U.S. firms that reported their latest quarterly results Monday morning specifically cited weakness in Europe as a major problem. More...