The disquiet that was expressed by IMF Managing Director Horst Kohler about the euro, followed later in the week by co-ordinated action to prop up the currency, was a sign of the worries shared now by all countries - about the possible consequences of sharp changes in exchange rates for world growth.

BBC: The Lessons of Prague

In another promising sign for the Democrats, there was a sharp increase in participation by many Latino voters in the party's 2008 primary elections.

BBC: Vote USA 2008 issues: Immigration

PDVSA, Venezuela's state-run oil company, announced a sharp fall in 2006 profits on Tuesday, perhaps a sign that a lack of investment in the industry may be eroding the country's productive capacity.

ECONOMIST: Tension over Iran is helping to push up oil prices once more

As one sign that foreign investors are cooling to Japan's markets, the finance ministry reported Thursday a sharp drop in purchases of Japanese stocks by overseas investors.

WSJ: 5.2% Drop Takes Tokyo Stocks Into a Correction

The sharp decline in the number of people in England and Wales identifying themselves as Christian to 59% is a sign of the religion's weakening influence in society.

BBC: 2011 Census: Is Christianity shrinking or just changing?

To me it was a sign that investors continue to view stocks as offering attractive investment opportunities and were taking advantage of the sharp sell-off to buy them at favorable prices.

FORBES: Stock Market D��j�� Vu