Amkor Technology (NASDAQ:AMKR – Get Free Report) was upgraded by analysts at Zacks Research from a “hold” rating to a “strong-buy” rating in a report released on Tuesday,Zacks.com reports. Get Amkor Technology alerts:Read Our Latest Research Report on AMKRAmkor Technology Price PerformanceAmkor Technology stock opened at $50.96 on Tuesday. Amkor Technology (NASDAQ:AMKR – Get Free Report) last posted its earnings results on Monday, October 27th. Amkor Technology Company Profile(Get Free Report)Amkor Technology, Inc (NASDAQ:AMKR) is a leading provider of outsourced semiconductor packaging and test (OSAT) services, supporting integrated device manufacturers and semiconductor foundries worldwide. Read MoreReceive News & Ratings for Amkor Technology Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Amkor Technology and related companies with MarketBeat.com's FREE daily email newsletter.