This paper investigated the impact of seasoned equity offerings (SEO) on stock return of listed companies in Ho Chi Minh City market using the method “event study” which has been basically formed by Campbell. Lo. and MacKinlay (1997). The sample includes 332 SEOs from 2007 to 2010. https://hollandscountryclothinges.shop/product-category/horse-summer-sheet-liners/