1.   But it soon became clear that the market could not sustain those prices, and the price began to slide.

2.   But the linerboard mergers have managed only to sustain prices at a lower level.

3.   Even so, many economists say they think Spanish rates can still fall in the coming months and that has sustained stock prices in recent weeks.

4.   High on the list is the fact that American asset prices have been sustained by short-term flows of portfolio capital, just as in Asia.

5.   In large part, stock prices are being sustained by a string of positive earnings reports.

6.   In the morning, it appears there was a wave of such orders, which helped to sustain prices.

7.   Still, optimism corporate earnings will maintain robust growth is sustaining stock prices, he said.

8.   Those countries rebid later in the afternoon, but new business is needed to sustain higher prices, traders say.

9.   Weisel said continued economic growth, particularly in technology, communications and services, should produce earnings strong enough to sustain stock prices.

10.   While the companies may hope that their brand-building will enable them to sustain higher prices to pay for such spikes, the protection is far from complete.