Shares of Change Healthcare Inc. CHNG surged 30% after UnitedHealth Group Incorporated UNH announced that it will be buying the company in a $8 billion deal, or $25.75 per share in cash.Moderna, Inc’s MRNA shares jumped 6.5% after the company received an approval for its COVID-19 vaccine from the European regulators.Shares of Walgreens Boots Alliance, Inc. WBA gained 4.5% after AmerisourceBergen Corporation ABC said that it would buy the company’s drug distribution business for $ 6.5 billion to expand it footprint in Europe.Genetron Holdings Limited’s GTH shares increased 1.9% after the company announced an exclusive strategic partnership with Sino Biopharm subsidiary for HCCscreen Test for Hepatocellular carcinoma in China.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 UnitedHealth Group Incorporated (UNH): Free Stock Analysis Report AmerisourceBergen Corporation (ABC): Free Stock Analysis Report Moderna, Inc. (MRNA): Free Stock Analysis Report Genetron Holdings Limited Sponsored ADR (GTH): Get Free Report Walgreens Boots Alliance, Inc. (WBA): Free Stock Analysis Report Change Healthcare Inc. (CHNG): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research