“Apple’s $1 trillion cap is equal to about 5 percent of the total gross domestic product of the United States in 2018,” said David Kass, professor of finance at the University of Maryland. “That puts this company in perspective.”

www.washingtonpost.com/business/economy/apple-is-the-first-1-trillion-company-in-history/2018/08/02/ea3e7a02-9599-11e8-a679-b09212fb69c2_story.html