Retail services or wholesale services for jewelry ornaments; retail services or wholesale services for earrings, ear cuffs [jewelry], necklaces, bracelets, anklets, pendants, rings [jewelry], chains [jewelry], pins [jewelry], bangles, key chains for use as jewelry, cufflinks; retail services or wholesale services for wristwatches; providing commercial information and advice for consumers in the choice of products and services; providing information concerning commercial sales; business management assistance; marketing research; market studies; promoting the goods and services of others through the administration of sales and promotional incentive schemes involving trading stamps; advertising and publicity services.