portfolio pumpingglossary / PORTFOLIO-PUMPING portfolio-pumping. Securities. The practice of purchasing additional shares of a stock near the end of a fiscal period in an attempt to improve an investment fund’s apparent performance. — Also termed window-dressing. 词条贡献者 资深译员Lisa,毕业于一所培养高级翻译以及跨文化事务专家的精英大学,专注翻译各种与私募股权与投资基金有关的法律文件。