Airlines have canceled over 1,000 flights, while freight companies and online retailers have delayed deliveries, due to severe winter weather across the U.S., particularly in the south.
Meanwhile, ice storms have cut power to over 200,000 homes from Texas to Tennessee.
More freezing weather is predicted for tomorrow.
It's likely to take a while for the economic cost of the storm to be calculated. Insurer Aon (AON) reckons that the losses from the tornadoes and thunderstorms that hit the U.S. last month will top $1B. Allstate (ALL) may take a large hit after towns in Illinois, where it is the second-biggest insurer, were among those to feel the full wrath of the storms.