M&A WATCH- NBE taps Grant Thornton, Matouk Bassiouny to advise on Aman stake purchase: State-owned National Bank of Egypt (NBE) has selected Grant Thornton as its financial advisor and Matouk Bassiouny & Hennawy as legal counsel for its planned acquisition of a 20-25% stake of Raya subsidiary Aman Holding, Al Mal reports. The offer received preliminary approval from Raya’s board of directors earlier this year. The value of the transaction will be determined once NBE concludes its ongoing due diligence on Aman.