A company stock that is traded on a securities exchange. The various stock exchanges have different standards for listing. Some of the guides used by the NYSE for an original listing include national interest in the company and a minimum of 1.1 million shares publicly held among not fewer than 2,000 round-lot stockholders. The publicly held common shares should have a minimum aggregate market value of $18 million. The company should have a net income in the latest year of over $2.5 million before federal income tax, and $2 million in net income in each of the preceding two years.