If a real shooting war came to the Koreas, the economic disruption would be global, though Asian nations likely would pay a higher price than the US. Some economists fear significant long-term changes to international trade.
Stocks ended higher on Wall Street Thursday, regaining half of its plunge the day before, as buyers returned to the market. Among stocks making big moves, electronics retailer Best Buy jumped $3.48, or 16 percent, to $25.13.
Samsung's dominance in the smart-phone market has raised some questions about whether it will renegotiation the terms of its arrangements with Google, hurting the search-engine company's mobile-ad business.