"It tells you that for whatever reason, investors became very defensive or their worries about the economy intensified," he said.

Coffee futures prices surged to a seven-month high as worries about tightening supplies from South America intensified.

The worry intensified.

And the worry for Josh's well-being had intensified with the discovery of the bloodstains in the van.

The worst periods for stock prices often occur as recessions approach and get under way, and for a period last month the worries over such a course intensified.

Her worries about Mike and Julie's safety had only intensified during the night.

Elected officials and party leaders at all levels said their worries have intensified as the economy has displayed new signs of weakness.

Her worry intensifies when she sees some severe bruises on his back.

"Then put me down," I replied as my worries intensified.

My worry intensified.