The Houston-based company declined to describe the medical problem of the company's 47-year-old leader.

The Houston-based company said its income slumped because of a particularly strong performance a year ago in its petroleum products division.

Last year, the Houston-based company earned $9.3 million, or 34 cents a share.

The rapid shift in the industry appears to have caught the Houston-based company by surprise.

New-home sales at the Houston-based company increased 39 percent last year, to 5,000.

The Houston-based company is involved in food distribution and related activities.

Revenues for the Houston-based company rose 11.5 percent, to $5.8 billion.

He said the irregularities were not expected to have a major effect on the Houston-based company.

Officials of the Houston-based company said they could not explain the decline or the unusually high volume.

The Houston-based company traced a portrait of broad-based improvement in its business units.