Benzinga's M&A Chatter for Monday April 22, 2013

The following are the M&A deals, rumors and chatter circulating on Wall Street for Monday April 22, 2013:

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ABB

and Power-One

announced Monday that their boards of directors have agreed to a transaction in which ABB will acquire Power-One for $6.35 per share in cash or $1.028 billion. The transaction is expected to close in the second half of 2013. Power-One closed at $6.33 Monday, a gain of 56% on 52 times average volume.

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CECO Environmental

announced Monday it has entered into a definitive agreement to acquire Met-Pro Corporation

in a cash and stock transaction valued at approximately $210 million, or $13.75 per share, including $7.25 per share in cash and $6.50 per share in CECO common stock. The completion of the acquisition is subject to approval of CECO and Met-Pro shareholders. Met-Pro closed at $13.38 Monday, a gain of 39% on 52 times average volume.

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IBM

announced Monday it has acquired UrbanCode, a Cleveland, Ohio company which automates the delivery of software, helping businesses quickly release and update mobile, social, big data, cloud applications. Terms were not disclosed. IBM closed at $187.83 Monday, a loss of 1% on 2.5 times average volume.

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Renewed takeover chatter circulated in Nuance Communications

Monday. Microsoft

was the rumored buyer today with a potential bid of $32 per share, according to sources. Nuance has been rumored to have hired Goldman Sachs as an advisor. Carl Icahn reported a 9.27% passive stake in Nuance on April 1. A Microsoft spokesperson declined comment on the rumor. A Nuance spokesperson was not available for comment. Nuance Communications closed at $21.04 Monday, gain of 3% on average volume.

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Qihoo 360

was rumored Monday to have hired Goldman Sachs as an advisor to handle a potential bid from Tencent

. Spokespersons for Qihoo 360 and Tencent were not available for comment. Qihoo 360 closed at $32.20 Monday, gain of 1% on lower than average volume.