1.   Bond prices strengthened.

2.   But over the longer term, Gwozd forecast, prices will strengthen.

3.   Cotton merchants said they expect cotton prices to strengthen this autumn as China battles bugs and drought that threaten its crop.

4.   Gas prices strengthened on increased demand for electricity generation because of nuclear outages and higher natural gas use by industrial customers resulting from the strong economy.

5.   Gold prices traditionally strengthen in the second half of the year because of seasonal factors, such as holiday jewelry demand.

6.   Natural gas prices also have strengthened on news of reduced surpluses.

7.   Prices normally strengthen in the second half because of seasonal factors, such as Christmas jewelry demand.

8.   Q. There have been some government projections this year that crop and livestock prices will strengthen and farm income will climb.

9.   Their inability to ramp up operations when prices strengthened was, perhaps, the primary reason natural gas demand outstripped supply and headed toward the stratosphere.

10.   Two analysts upgraded the company on expectations that U.S. polyethylene prices will strengthen with the economy.