A origem não interessa.
"Stocks flipped out on Wall Street last week following a selloff in the euro zone that was sparked by news of serious financial deficiencies at one of Portugal's largest banks.
Normally, trouble at a Portuguese bank would not even make an eyelid flutter in New York, but this headline caught the collective unconscious in a vulnerable moment, inducing fears of a renewed contagion effect similar to the credit crisis that shook the region three years ago.
It's kind of like when a friend starts crying during a movie that isn't really sad or scary, and you're not sure why. Something triggers a memory, and suddenly they're a mess.
But for investors it would be more valuable to file it in the drawer marked "Remember to buy stocks when the market freaks out for a couple of days about things that happen in Europe, the Middle East or China that don't affect the earnings cycle in the United States."