Benzinga's Weekend M&A Chatter

The following are the M&A deals, rumors and chatter circulating on Wall Street for Friday November 6 through Sunday November 8, 2015: AstraZeneca to Acquire ZS Pharma for $90/Share The Deal:
AstraZeneca announced Friday that it agreed to acquire ZS Pharma ZSPH for $90 per share in an all-cash transaction, for an aggregate transaction value of $2.7B. The transaction is expected to close by the end of 2015. ZS Pharma shares rose 40% Friday, closing at $89.04. Alibaba to Acquire Youku Toudu for $27.60/Share in Cash The Deal:
Alibaba Group Holding Limited BABA and Youku Tudou Inc. YOKU announced Friday, a merger agreement, under which an affiliate of Alibaba will acquire Youku for $27.60 in cash. The deal is expected to close in Q1 of 2016. Youku shares rose more than 7% Friday to close at $26.14. Hearing Microsoft Approached GameStop Regarding Potential Takeover The Rumor:
Shares of GameStop GME rose Friday, on unconfirmed chatter of a potential offer from Microsoft MSFT. Sources say Microsoft is offering approximately $60 per share and has plans to re-brand the GameStop outlets with the Microsoft banner. GameStop shares fell $0.12 Friday, closing at $46.82. Weyerhaeuser, Plum Creek to Merge in All-Stock Transaction The Deal:
Weyerhaeuser Company WY and Plum Creek (PCL) announced Sunday, that they have agreed to merge, creating a timber REIT with a combined value of $23 billion. Plum Creek shareholders will receive 1.60 shares of Weyerhaeuser for each share of Plum Creek held, under the agreement. The transaction is expected to close in Q1 or early Q2 of 2016. Plum Creek shares fell almost 2% Friday, closing at $40.29.