United's bid topped American's last offer of $155 million.
MOL's bid topped the $420 million offered by OMV of Austria.
His bid topped the stock's current market price of around $55 by a third and, he assured the board, it represented the company's true value.
The bid tops an earlier offer by Quadrex Holdings Inc.
Euronext's bid of £18.25 ($26.10) a share topped the London exchange's bid of £12 in cash and £7 in stock.
The bid from Intercontinental Exchange, or ICE, topped the value of the Chicago exchanges' pending deal by $2 billion.
The top bid, $38,000 for a fiberglass alligator that was somehow a memorial to firefighters who died on Sept. 11, topped the Jaguar price.
WPP's bid of £434 million ($629.3 million) topped a rival bid from Havas of France.
Caldor's bid of almost $120 million topped the best offer of Bradlees, another discount retailer, in bankruptcy court.
That bid topped one from Australia's No.2 retailer, Woolworths, which offered 1.11 billion Australian dollars ($805 million) in its most recent offer on Sept 30.
