Tenneco, Inc.'s origin was in the Chicago Corporation, established about 1930.

"It's not any one thing, but just a list of problems that keeps growing," said David Armstrong, grains analyst at the Chicago Corporation.

Steven Schwartz, an analyst at the Chicago Corporation, said the additional business could be handled with very small increases in staff and expense.

Kenneth M. Leon, an analyst at the Chicago Corporation, was even less generous.

"That's just not very much," said Dave Armstrong, analyst at the Chicago Corporation.

David Wu, an analyst with the Chicago Corporation, is more firm in his opinion.

Her father is a senior vice president and a director of the Chicago Corporation, an investment banking firm.

"It's just a bull market, and it showed itself," said Dave Armstrong, an analyst with the Chicago Corporation.

"They're doing this because they can," said Eric Strumingher, an analyst with the Chicago Corporation.

David Wu, an analyst at the Chicago Corporation in New York, had a similar reaction.