Fitch: US keeps 'AAA' debt rating

Fitch Ratings affirmed the United States' top-flight debt rating Tuesday, saying the world's largest economy remains strong and supported by having the leading reserve currency. The country's 2.4 percent growth rate last year, depressed by the deep contraction in the oil industry, still topped most other advanced economies, Fitch noted. Fitch projected that without any policy changes the US debt burden will continue to creep higher, from 101 percent of gross domestic product in 2016 to more than