In early afternoon trade the firm's share price stood at 4,790 won.
Investigators are looking into the cause of Saturday's crash that killed two Chinese nationals, including a possible pilot error.
Yesterday the Seoul-based carrier's CEO, Yoon Young-Doo, said "currently we understand that there are no engine or mechanical problems" with the plane, which was bought in 2006.
Despite the big losses in Asiana's share price, Hyundai Securities analyst Bae Sung-Young told Dow Jones Newswires the tragedy would unlikely have any long-term effect on South Korea's second largest airline.