Fort Howard has already accepted a $3.57 billion buyout bid from a group that includes the company's senior management.

Paramount has been considered a possible takeover target since it began its own unsuccessful $12.2 billion buyout bid for Time Inc. last year.

Officials of Charter Medical made a $40-a-share buyout bid, which puts the company's total value at $1.2 billion.

The buyout bid was not successful, and the company was sold to Century Partners.

What Yahoo needs is a buyout bid from Facebook.

If the buyout bid fails, there will be many questions.

And it is banking that, even if a buyout bid is made, its shareholders will vote it down.

But an investment banker familiar with the battle questioned whether a higher buyout bid would be forthcoming.

Diebold has since rejected the $2.63 billion buyout bid.

But Viacom could make the acquisition at its original $8.2 billion buyout bid.