Quick-service Mexican chain Rubio's Restaurants has posted sales of US$30.7m for its Q2 ended 30 June, up 6.2% from US$28.9m for the same period last year. Year-to-date revenue of US$60.6m increased 9.2% over US$55.5m for the H1 2001. Comparable store sales for the Q2 2002 increased 0.9% over the Q2 2001 for company-owned locations and 0.8% system-wide. H1 comparable store sales increased 1.4% compared to last year for company-owned locations and 1.3% system-wide.