Benzinga's Top #PreMarket Losers By: Benzinga via Benzinga July 28, 2015 at 08:21 AM EDT Amkor Technology, Inc. (NASDAQ: AMKR) shares declined 13.62 percent to $4.25 in pre-market trading after the company reported ... Read More >> Related Stocks: Amkor Technology Audiocodes Ltd Baidu.com SP ADR KLA-Tencor Corp Sina Corp