Corporate movements in the U.S. have taken the Ibex 35 after few bad sessions to new highs of the year.

Looking to expand beyond its PC business, Dell is set to purchase Perot Systems Corporation for approximately $3.9 billion. The terms of the agreement were approved yesterday by the boards of directors of both companies. Dell said it expects to close the deal in the November-January quarter.

With the news that Kraft’s takeover bid for Cadbury may go on for months, the September 10th Wall Street Journal offered the story “Kraft Covets Cadbury’s Know-How in India.”

Syniverse Holdings Inc. will spend $175 million to buy Verisign Inc.’s messaging system. Syniverse has confirmed this deal in a press release on August 25. Syniverse provides wireless voice and data services to telephone companies.

Harman International, today, responding to some media reports that Arabian Peninsula Group has offered to buy the company, stated that it has not received any communication.

Ontario’s plan to consolidate Metrolinx and GO Transit in order to expand regional transit infrastructure quickly includes removing political turf wars from the mix.

Milwaukee will lose another publicly traded company. Metavante Technologies Inc. to be acquired by Fidelity National Information Services. Fidelity National Information services will buy Metavante Technologies for about $3 billion in stock.

In another pharmaceutical deal of the day Gilead is acquiring CV Therapeutics for 20 US dollars per share. The CV Therapeutics deal is thought to expand Gilead's cardiovascular franchise and pipeline.

Canadian National (CN), the Montreal-based rail operator, has bought the main lines of the U.S. Elgin (EJ&E).

Abbott hopes that the acquisition of Advanced Medical Optics will mean adding an established global leader in ophthalmic care that will provide long-term sustainable growth platform with more than $1 billion in annual sales. Advanced Medical Optics' acquisition will also gives Abbott a leadership position in another large and growing medical device segment.

An unspecified group of investors is gearing up to make a buyout offer for Yahoo (NSDQ: YHOO) - relying on completely on financing from Microsoft, reports TechCrunch, citing unidentified sources.