The Boeing Co.'s BA shares lost 0.7% following news of the detection of more defects in its 787 “Dreamliners” that likely to delay deliveries.Shares of Alexion Pharmaceuticals Inc. ALXN soared 29.2% after AstraZeneca PLC AZN had decided to acquire the company in a $39 billion cash and stock deal.CureVac N.V.'s CVAC shares gained 2.5% after the company announced the enrolment of first participants for the final-stage clinical trial of its potential COVID-19 vaccine.Shares of Alphabet Inc. GOOGL dropped 1.3% after users in the United States, Europe, India and several other countries failed to access several Google services due to a massive outage.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 Alexion Pharmaceuticals, Inc. (ALXN): Free Stock Analysis Report The Boeing Company (BA): Free Stock Analysis Report AstraZeneca PLC (AZN): Free Stock Analysis Report Alphabet Inc. (GOOGL): Free Stock Analysis Report CureVac N.V. (CVAC): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research