Supermarket operator Jusco Co. posted increased group earnings for 2000 today for the year ending 20 February. Operating revenue and operating profit grew across its four business segments; general retail, specialty store, development and service operations.  The group cited positive marketing and restructuring across its core retail operations for its improved revenues. The group revealed that net profit grew 48.6% from 1999 to ¥22.5bn and group operating revenue grew 8.6% to ¥2.74 trillion.