Timeplex gained 1 3/4, to 28 1/2, after Unisys announced a plan to acquire it in a stock-swap deal with a current value of about $305 million.

The companies announced on Wednesday that the stock-swap deal was off, though no reasons were given.

The stock-swap deal would create the world's fourth-largest insurance brokerage.

Under the terms of the stock-swap deal, Rite Aid is to pay 0.65 share of its stock for each Thrifty Payless share.

The Board of Directors at Continental and United airlines approved a stock-swap deal that would combine them into the world's largest airline on Sunday, May 2, 2010.

In 2004, Lyondell purchased Millennium Chemicals in a stock-swap deal at $2.3 billion.

The stock-swap deal will form a huge new bank with total assets of more than $590 billion.

Microsoft could rather easily afford to buy the yodeling veteran, though it would have to do at least partly a stock-swap deal or take on some debt to get 'er done.

Before the Paramount offer, Time and Warner had agreed to a stock-swap deal characterized as a "merger of equals."

The $800 million stock-swap deal would put Wachovia into the top 20 of the nation's bank holding companies.