Shares of Charles River Laboratories International, Inc. CRL rose 4.4% after the company reported fourth-quarter 2020 earnings of $2.39 per share surpassing the Zacks Consensus Estimate of $2.12.Vir Biotechnology, Inc.’s VIR shares jumped 18.8% after the company and GlaxoSmithKline announced that they expanded their coronavirus collaboration to advance new therapeutics for influenza and other respiratory viruses.Shares of Comstock Mining Inc. LODE surged more than 100% after the company reported that it has secured a majority interest in a lithium-ion battery recycling company and plans to process 10,000 tons of lithium-ion per year for clean energy usage.CLPS Incorporation CLPS shares jumped more than 100% after the company said its technology subsidiary signed vendor deal with the American digital payment platform to provide IT services.Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Charles River Laboratories International, Inc. (CRL): Free Stock Analysis Report Comstock Mining, Inc. (LODE): Free Stock Analysis Report CLPS Incorporation (CLPS): Free Stock Analysis Report Vir Biotechnology, Inc. (VIR): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research