Here are five stocks added to the Zacks Rank #1 (Strong Buy) List today: Byrna Technologies Inc. (BYRN) : This non-lethal defense technology companyhas seen the Zacks Consensus Estimate for its current year earnings increasing 157.1% over the last 60 days. Y-mAbs Therapeutics, Inc. (YMAB) : This commercial-stage biopharmaceutical company has seen the Zacks Consensus Estimate for its current year earnings increasing 42.7% over the last 60 days. Sandstorm Gold Ltd. (SAND) : This gold royalty company has seen ...