The Dow Jones shot up Tuesday morning amid renewed confidence in the post-pandemic economic recovery The index, which tracks the value of 30 of America's biggest publicly-traded companies, surged more than 200 points before easing back Stocks in airlines, oil companies and so-called meme stocks had all climbed higher, and all eyes are on big economic data releases later in the week It came after millions of Americans enjoyed Memorial Day Weekend, the first public holiday since mask mandates were relaxed Confidence in the economy is returning as the number of fully vaccinated American adults surpassed 40%, while 50.5% have received at least one dose