1.   And its auditor has raised concerns about its viability.

2.   Noting that the company was losing two top scientists, the auditors also raised questions about the continuation of government-sponsored research.

3.   Some IRS auditors have occasionally raised those questions in the past, but not in a systematic way, the IRS says.

4.   Trimble said the auditor raises legitimate questions.

5.   Santa Clara-based Covad also disclosed that its auditors have raised doubts about whether it will remain an ongoing concern.

6.   The agencies said they had taken steps to improve the monitoring of land exchanges and address some concerns about land values raised by auditors.