NEW YORK--(BUSINESS WIRE)--Ongoing improvement in U.S. economic and job market conditions should continue the streak of strong performance and keep metrics in record territory, Fitch Ratings says. Jobless claims continue to hover around historic lows, falling to their lowest level since November 1973. The most recent four-week moving average fell to 278,500 and has remained below the 300,000 benchmark. The strengthening job market should continue to support U.S. credit card ABS as metrics remai