Ducommun Inc. (NYSE:DCO) announced that it will participate in the Credit Suisse Aerospace and Defense Conference on December 1, 2011, in New York. Anthony J. Reardon, president and chief executive officer, and Joseph P. Bellino, vice president and chief financial officer, will present an overview of Ducommun's operations and outlook at 9:45 a.m. Eastern Time…

 Amkor Technology, Inc. (Nasdaq:AMKR), a leading provider of semiconductor assembly and test services, announced that it will participate in the Credit Suisse 2011 Annual Technology Conference in Scottsdale, AZ, on Wednesday, November 30, 2011. The presentation is scheduled to begin at 2:30 p.m. MST (4:30 p.m. EST).Amkor Technology, Inc. provides outsourced semiconductor packaging and test…