A large part of the recent downturn has been attributed to growing concerns about inflation and higher interest rates.
Traders attributed the sharp slide partly to concerns about the huge computer maker's earnings.
Some media reports attributed this to heightened concerns about conduct of Iran and its possible nuclear weapons effort.
Standard & Poor's attributed the downgrades to increased concerns about the economy.
This decision was attributed to "serious concerns about the publishing practices" of the company.
The company attributed the cancellations to concerns that a celebration would appear inappropriate given the war in Iraq.
The drop in income was attributed to concerns about the bank's rising credit card risk.
The low scores were attributed to major concerns about basic supervision, management and leadership within the agency.
He attributed the move not just to budgetary concerns.
Some analysts attributed the decline to concerns that such earnings could not be sustained.