Shares of Signet Jewelers Limited SIG jumped 14% after the company reported first-quarter fiscal 2022 earnings of $2.23 per share, beating the Zacks Consensus Estimate of $1.41.Xinyuan Real Estate Co., Ltd.’s XIN shares surged 14% after the company highlighted completion of five newly constructed properties.Shares of Verona Pharma plc VRNA jumped 13.2% after the company announced that it has entered into an agreement to develop and commercialize ensifentrine in Greater China with Nuance Pharma.Pfizer Inc.’s PFE shares rose 2.2% after a news highlighted that the United States would pay the drugmaker about $3.5 billion for 500 million COVID-19 vaccine doses, to donate to the 100 lowest income countries.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 Pfizer Inc. (PFE): Free Stock Analysis Report Signet Jewelers Limited (SIG): Free Stock Analysis Report Xinyuan Real Estate Co Ltd (XIN): Get Free Report Verona Pharma PLC American Depositary Share (VRNA): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research