上市 Traditional form: 上市 Pinyin (reading): shàngshì Definitions: to hit the market (of a new product) to float (a company on the stock market) Characters: 上 - above, on top, superior; to go up; to attend; previous 市 - city, town; market, fair; to trade Traditional characters: 上 - above, on top, superior; to go up; to attend; previous 市 - city, town; market, fair; to trade