 The company, one of three major credit rating firms, changed the outlook for the rating to stable from a negative watch put in place in October.In January 2019, Fitch Ratings warned that an extended 2018–19 United States federal government shutdown might lead to a downgrade in the U.S.'s Triple-A credit rating if lawmakers were unable to pass a budget or manage the debt ceiling.That in turn would make borrowing more costly for companies and American households, because it is the benchmark for many other lines of credit.