Warning earlier this month of a temporary iphone shortage. and sales slowing there. and retailers like nike, which produces about 25% of its shoes and apparel in china. also hard-hit, airlines, like delta, united and american. the industry forecast to lose nearly $28 billion this year as consumers cut back on travel. the virus now spreading into at least 32 countries worldwide. creating anxiety over the growing impact it could have on the global economy. >> until we get some clarity, we're going to continue to see this uncertainty and this volatility in our markets. >> could be a rough few wee...