Key TakeawaysModerna shares tumbled Monday after the company cut its 2025 revenue forecast by 1billion.ThecompanyexpectsmuchofitsrevenuetoberealizedinthebackhalfoftheyearfromitsCovid−19andRSVvaccines.SharesofModernahavelostabouttwo−thirdsoftheirvalueoverthepastyearandarewellofftheirall−timehighinAugust2021.SharesofpharmaceuticalgiantModerna(MRNA)plungedMondayafterthecompanycutits2025revenueforecastby1 billion. The company now projects revenue ...