Here are three stocks added to the Zacks Rank #5 (Strong Sell) List today:Amkor Technology (AMKR) is the world's largest independent provider of semiconductor packaging and test services. The Zacks Consensus Estimate for its current year earnings has been revised 13.5% downward over the last 60 days.BioTechne Corp (TECH) is a global life sciences company which develops, manufactures, and sells biotechnology products and clinical diagnostic controls. The Zacks Consensus Estimate for its current year earnings ...