ABN Amro has hired a commercial mortgage-backed securities trader to be based in New York, according to a firm insider. Stephen Adang, who joins from Amherst Securities, will be responsible for trading U.S. CMBS and some European paper. Adang, who held a similar position at Amherst, will report to John Mullen, global head of securitization at ABN in London. The hire is part of ABN's push to increase its CMBS business (BW, 4/3). An ABN Amro spokesman did not respond to inquiries by press time last Thursday.