	amex says bear stearns bought specialist unit the american stock exchange said as previously reported that bear stearns and co bsc has purchased w damm m frank and co a specialist unit on the amex trading floor amex said the unit which trades stocks and options is small in comparison to other specialist units the personel and operations remain the same the exchange added the price was not disclosed a specialist unit is authorized by a stock exchange to deal as an agent for other brokers to keep a stable market in one or more particular stocks reuter 
