<p>Investcorp Bank BSC, the Bahrain-based private equity firm, appointed former Morgan Stanley banker Gabriel Aractingi as chief executive officer for its business in Saudi Arabia.</p> <p>Aractingi, previously head of Morgan Stanley&rsquo;s operations in the kingdom for three years, has been with Investcorp since last year as a managing director, according to an emailed statement from Investcorp on Tuesday. Aractingi was the US lender&rsquo;s head of private wealth management in the Middle East and North Africa region and left the bank in August.</p>