European stocks retreated after French and Spanish borrowing costs climbed at auctions on Thursday, spurring concern about contagion.
The single currency rose as a measure of European inflation increased slightly, spurring concern that interest rates there would increase.
Spurring concern was a recent remark by Xiao Gang, the chairman of the Bank of China, that the way trust companies were run was, potentially, "fundamentally a Ponzi scheme".
That spurred concern among scientists and residents of Lead, who worry that flooding the mine could hurt the laboratory proposal, which is now under review by the National Science Foundation.
Stocks fell Friday after accelerating inflation spurred concern that higher prices will curb consumer spending and give the Federal Reserve less leeway to cut interest rates.
Iran and North Korea made separate announcements on Thursday that spurred concern that they are headed to confrontations with the United States over their nuclear programs.
The early rally was erased after Mr. Bernanke, testifying before the Senate Budget Committee, spurred concern that the government would not be able to shore up the financial system.
WASHINGTON — With the Newtown, Conn., massacre spurring concern over violent video games, makers of popular games like Call of Duty and Mortal Kombat are rallying Congressional support to try to fend off their biggest regulatory threat in two decades.
Global stocks slumped as European finance ministers pushed bondholders to provide greater debt relief for Greece, spurring concern that the nation might fail to make a March 20 bond payment.
The less-than-innocent records of at least some agents has spurred concern about what they might do after their discharges, especially because a recent purging of the Buenos Aires provincial police force led to criminal acts by former officers.
