day tradingglossary / day trading The act or practice of buying and selling stock shares or other securities on the same day, esp. over the Internet, usu. for the purpose of making a quick profit on the difference between the buying price and the selling price. 词条贡献者 资深译员Grace,毕业于一所培养最顶级翻译人才的语言学院,擅长翻译各类与商业诉讼及争议相关的法律文件。