The Dow hit a record high on Monday after Moderna became the second Us company in a week to report promising results from its coronavirus vaccine trial, increasing hopes of a faster economic recovery from a pandemic-driven recession.Moderna Inc surged 7.7% as it stated its experimental vaccine was 94.5% effective in preventing coronavirus based on early data from a late-stage trial.The Nasdaq’s rise was limited as investors sold some of this year’s “stay-at-home” winners such as Amazon.com Inc, Netflix Inc and Zoom Video Communications Inc.The S&P 500 and the Dow headed for record closing highs, building on gains from last week after a similar vaccine-oriented update from Pfizer Inc brightened the economic outlook and fueled a rotation into cyclical and value shares.