Fighting 'F5' Financial Disasters with ETFs

BEND, Ore. (MarketWatch) â?? â??F5â? tornados, the highest on the Fujita scale, are described by the National Weather Service as capable of creating such devastating damage that strong frame houses are â??leveled off foundations and swept away; automobile-sized missiles fly through the air in excess of 100 meters; trees debarked; incredible phenomena will occur.â?