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Restaurant Performance Index slides in December
Washington, D.C. - As a result of softer same-store sales and customer traffic levels, the National Restaurant Association's Restaurant Performance Index (RPI) registered a moderate decline in December 2013. The RPI, a monthly composite index that tracks the health of and outlook for the U.S. restaurant industry, stood at 100.5 in December, down 0.6% from November and the first decline in three months.