
KOSDAQ-listed Samchundang Pharmaceutical (000250.KQ) plunged more than 10% in after-hours trading on May 6.
As of 7:40 p.m. that day, shares of the company were trading at 556,000 won, down 10.03% from its regular session closing price of 618,000 won.
Samchundang Pharmaceutical earlier that day moved to publicly address the controversy surrounding its technology and contract structure by releasing documents submitted to the U.S. Food and Drug Administration (FDA) and patent review materials.






