1.   But a capital squeeze on energy trading companies that was made worse by the collapse of Enron Corp. short-circuited those plans.

2.   The capital squeeze is growing so severe that the very survival of some banks may be in doubt.

3.   The capital squeeze is growing so severe that the survival of some banks may be in doubt, analysts say.

4.   The capital squeeze is growing so severe that the survival of some banks may be in doubt.