Last month, Mentor raised its bid to $14 a share for 2.1 million shares.

That doesn't mean he won't have to raise his bid, however.

The two initially offered $160,000 but quickly raised their bid.

Each day he checked back and often raised his bid.

He did not want to raise his bid, thinking that paying more than $56 a share was too much.

It was not immediately clear how much, if at all, the Bass group might raise its bid.

At £25,000 he hesitated for the first time and raised his bid by £500.

The Swiss drug company later in the day raised its bid to $76 a share.

But he is wary of being talked into raising his bid.

But they chose to simply raise their bid to $39 instead.