By Liz Moyer

Investing.com – U.S. stocks tumbled on Wednesday as investors await central bank interest rate decisions. Below are the key middaymovers for Monday, June 8, 2018. 

• Moderna IncThe stock of (NASDAQ:) rose 3.3% in the wake of a study showing that an Omicron-targeted booster dose for Covid-19 could produce a positive immune response.
• Twitter Inc The stock of (NYSE:) rose almost 1% following the announcement by the social media giant that it would give Elon Musk bot data to help him evaluate fake accounts. Musk is threatening to withdraw his take-private proposal.
• Campbell Soup CompanyThe stock of (NYSE) rose 2.5% on reports that it reported better-than-expected profit and revenue, as well as raising its full year sales forecast. The company maintained its profit forecast at the same level and stated that it anticipates higher inflation.
• DocuSign Inc The stock of (NASDAQ) rose 2.5% on the news that it had extended its partnership with Microsoft (NASDAQ) which will help to establish a work-from-anyplace office culture.
• Novavax Inc Shares of (NASDAQ:) rose nearly 6% within a day following the recommendation by the Food and Drug Administration that the Covid-19 vaccine be recommended for adults. This would mean that it is now the fourth available vaccine in the U.S.
• State Street Corp The stock of (NYSE:) plunged 4.5% in the wake of a Boston-based report that Credit Suisse (NYSE 🙂 was being considered for a possible bid. This warning came after another loss.