For a while, concerns about interest rates and computer earnings discouraged institutional investors from buying big-cap stocks.
Inflation rose across some emerging markets while concerns about financial bubbles grew.
While concerns about security in Sinai have intensified during the tumult of the Arab Spring, they are not new.
It has never denied one, but does have some, like Afternic's, on hold while concerns are resolved, an official said.
But investors' appetite for flotations has weakened in recent weeks, while concerns have increased that the housing market is overheating.
While concerns persist about heavy arms sales across Brazil's lengthy borders, most of the handguns used in everyday crime are made here.
While concerns about sidewalk damage and pruning backlogs are legitimate, they pale against the benefits trees provide to people's health and the environment.
While concerns were rampant about how the post-Christmas snowstorm on the East Coast would affect December results, only a handful of retailers cited that as a factor.
While concerns weigh heavily on the minds of many Sudanese Christian leaders, Bishop Kondo pointed out that Sudanese government officials had expressed a keenness to work with them.
And while concerns over Y2K turned out to be considerably overstated, the potential for a loss of electrical power from any of a number of causes remains.
"While concerns about child nutrition remain dominated by the language of under-nutrition and the adequacy of food supplies, these problems will only get worse".
