The board of Alexa Life Sciences (PINK:AFXSF) has unanimously backed an all-cash takeover offer from Valeant Pharmaceuticals (NYSE:VRX) after the company raised its bid to trump a competing offer from Paladin Labs (PINK:PLDLF).

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Pharmaceutical Product Development (NASDAQ:PPDI) has confirmed that it will go private, agreeing to an all-cash buyout offer for $3.9 billion from Carlyle Group and Hellman & Friedman. The private equity firms will pay $33.25/share, a 30% premium on the stock’s closing price Friday.

Dollar Thrifty (NYSE:DTG) is considering an acquisition bid from Hertz (NYSE:HTZ), which could be increased to $70 per share, according to analysts. The current bid would give Dollar Thrifty investors a 16% return.

Intel (NASDAQ:INTC) agreed Sunday to buy Telmap, an Israeli maker of map software, for an undisclosed price. However, Israeli media are reporting that the deal is worth $300 million to $350 million, according to Reuters.

Yahoo (NASDAQ:YHOO) shares are climbing after Alibaba CEO Jack Ma expressed his interest in buying the company.

AGCO Corp. (NYSE:AGC) has agreed to buy GSI Holdings for $940 million in a deal expected to close by year’s end.

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Barclays (NYSE:BCS) and Bank of America (NYSE:BAC) are reportedly considering selling their combined 53% stake in apartment company Archstone, worth roughly $2 billion to $3 billion.

ACI Worldwide (ACIQ) has acquired banking software firm S1 (NASDAQ:SONE) at $6.62 per share in cash and 0.1064 shares of ACI stock per S1 share, finally closing a deal that has been in the works since July.

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