If some country would say, "We’ve had enough, we’ll exit the euro", if Greece does that it's not going to be a disaster. But if Greece, Portugal, Spain, Italy do it, then it would have a huge impact on the derivatives market. - in CNBC
Related, Banco Santander (STD), National Bank Of Greece (NBG), Ishares Italy ETF (EWI), IShares Spain ETF (EWP)
Marc Faber is an international investor known for his uncanny predictions of the stock market and futures markets around the world.