Here are the M&A deals and chatter for Wednesday December 28, 2011:

E-House (China) Holdings to Acquire China Real Estate Information Corporation The Deal: E-House China Holdings EJ announced Wednesday that it has entered into an Agreement and Plan of Merger, dated December 28, 2011 with China Real Estate Information Corporation CRIC. Pursuant to the Merger Agreement, E-House will acquire through a merger all the outstanding shares of CRIC that are not owned by E-House for a fixed consideration consisting of $1.75 cash and 0.6 E-House shares / American depositary shares for each CRIC share. E-House increased the cash portion of the consideration to $1.75 from the $1.60 initially proposed to the board of directors of CRIC and publicly announced on October 28, 2011. The transaction is currently expected to close around the middle of 2012. Shares of China Real Estate Information Corporation traded in a range of $4.20 to $4.31 Tuesday on 28 times the average daily volume and closed at $4.26, a gain of 8.67% for the day. Identive Agrees to Acquire Outstanding Shares of idOnDemand The Deal: Identive Group INVE announced Wednesday it entered into an agreement on December 22, 2011 among Identive, ActivIdentity Corporation and idOnDemand, to acquire the remaining outstanding shares of idOnDemand, Inc. held by ActivIdentity for a sum of $500,000. The agreement contains customary provisions and certain releases. Upon consummation of the share purchase, idOnDemand will be a wholly-owned subsidiary of Identive. Alexion to Acquire Enobia Pharma Corp. and First Potential Treatment for Patients with Hypophosphatasia The Deal: Alexion Pharmaceutical ALXN and Enobia Pharma Corp. announced Wednesday that the companies have signed a definitive agreement under which Alexion will acquire 100% of the capital stock of Enobia. Enobia is a private biopharmaceutical company based in Montreal, Canada and Cambridge, Massachusetts, which is focused on the development of therapies to treat patients with ultra-rare and life-threatening genetic metabolic disorders. Chesapeake Midstream Partners Agrees to Acquire Gas Gathering Assets in Marcellus Shale from Chesapeake Energy Corporation The Deal: Chesapeake Midstream Partners CHKM today Wednesday it has agreed to acquire Appalachia Midstream Services, the wholly owned subsidiary of Chesapeake Midstream Development that holds its Marcellus Shale midstream assets, for total consideration of $865 million. Chesapeake Midstream Development, L.P. is a wholly owned subsidiary of Chesapeake Energy Corporation CHK. The addition of the Marcellus assets makes CHKM the industry's largest gathering and processing master limited partnership as measured by throughput volume. Fushi Holder, TPG Growth Revises Offer to $9.50 from $9.25 per Share The Deal: On December 28, 2011, following their review of the additional financial information with respect to the Company provided by the Special Committee, Mr. Fu, AGC (acting on behalf of certain investment funds managed, advised and/or appointed by it) and TPG Growth Asia, Inc. (an affiliate of TPG) submitted a revised firm offer to the Special Committee to acquire all of the Publicly Held Shares of Fushi Copperweld FSIN at a purchase price of US$9.50 per share. The offer was included in Fushi Copperweld's 13D filing. Shares of Fushi Copperweld traded in a range of $7.42 to $7.64 Wednesday on 75% of the average daily volume and closed at $7.46. However, after-hours shares traded as high as $8.75 on release of the filing. Un-named Company To Acquire Noble Energy The Rumor: Goldman Sachs published a positive research report on Noble Energy NBL, citing the Cypress gas discovery, which Noble described as 'significant'. The company said results indicate that the area could produce 5 trillion to 8 trillion cubic feet of gas. The report indicated that this contributes to making Noble an attractive target for a European commodity producer. Shares of Noble Energy traded in a range of $93.86 to $96.99 Wednesday on 18% more than the average daily volume and closed at $94.02, a loss of 1.69% for the day. Private Equity Firm to Acquire Sears Holding The Rumor: Un-named private equity firm to acquire Sears Holding, according to an article in CNN Money. The writer indicated he called several private equity firms, but found little interest in the idea. Shares of Sears Holdings traded in a range of $31.94 to $34.30 Wednesday on more than 5 times the average daily volume and closed at $33.33, $.05 below Tuesday's close.