The Japanese company is now offering $52.50 a share, or about $473 million, for the company.

Whitney has offered cash and stock worth about $1.22 billion, or $18.50 a share, for the company.

DPC has offered $10 a share, or more than $200 million, for the company.

Pechiney offered $56 a share for the company, which would make the profit on the 220,000 shares about $10 million.

How much are they offering for the company?

Southdown, a cement maker based in Houston, had offered $31 a share for the company.

Mr. Antar has offered $7 a share for the company.

Mr. Sugarman has offered $70 a share, or an estimated $2 billion, for the company.

Japonica is offering $722 million, or $44 a share, for the company.

Initially the Bass Group had offered $64 a share for the company.