Among the 10 major Global 5000 M&A stories, this past week — Noble Corporation will be acquiring Diamond Offshore Drilling — ready the announcement here.

Global 5000 Company News BUSINESS SERVICES Booz Allen Acquires PAR Government Systems Corporation CONSTRUCTION Ambuja Cement Acquires 100% Stake in Penna Cement for Rs 10,422 Crore FINANCIAL SERVICES National Bank Reaches Deal to Buy Canadian Western Bank Shift4 Acquires Majority Stake of Vectron Systems AG INDUSTRIALS Allegion Acquires Unicel Architectural Legrand Announces 2 New Acquisitions in the Datacenters Segment OIL & GAS Noble Corporation plc Announces Agreement to Acquire Diamond Offshore Drilling, Inc. TECHNOLOGY Cognizant to Acquire Belcan for Approximately $1.3 Billion Fortinet to Acquire Lacework