) are lower on the session by 0.95%, currently trading at $4.19. The stock has been moving largely lower over the past three months and is currently trading below the 50-day moving average. Options traders are focusing on calls today. A short while ago the December 2011 $5.00 call traded 3,200 times on open interest of 1,424 contracts. Calls are outpacing puts today by 27 to 1. Amkor Technology, Inc. is a provider of outsourced semiconductor packaging and test services. The company is offering a range of packaging and test technologies and services. Its packages are designed based on application and chip specific requirements, including the type of interconnection technology employed, size, thickness, and electrical, mechanical and thermal performance.