SandRidge To Acquire Arena Resources By: MarketMinute.com Stock News April 05, 2010 at 11:24 AM EDT SandRidge Energy Inc. (NYSE: SD) will pay approximately $1.6 billion in cash and stock to acquire Arena Resources (NYSE: ARD). Shares of SandRidge lost 42 cents to $7.43 while Arena stock surged $2.34 to $36.60.