Here are three stocks added to the Zacks Rank #5 (Strong Sell) List today:AMC Networks Inc. (AMCX) is an entertainment company. The Zacks Consensus Estimate for its current year earnings has been revised 20.9% downward over the last 60 days.Cogent Communications Holdings, Inc. (CCOI) is a telecommunications company. The Zacks Consensus Estimate for its current year earnings has been revised 21.5% downward over the last 60 days.Haynes International, Inc. (HAYN) is a metals company. The Zacks Consensus Estima ...