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Characteristics of a Market Leader. A market leader is typically the company holding the largest market share in a particular industry or segment of an industry. Market leaders are often recognizable by the ubiquitous presence of their brand as well as their ongoing marketing efforts.
Loss leader. A loss leader (also leader) is a pricing strategy where a product is sold at a price below its market cost to stimulate other sales of more profitable goods or services. With this sales promotion/marketing strategy, a leader is used as a related term and can mean any popular article, i.e., one sold at a normal price.