The stock prices of Sumitomo Pharma and Sumitomo Chemical have declined after a report was released by a short-selling agency.

After a report by the U.S. short-seller firm Gotham City Research targeting two Japanese companies, the stock prices of Sumitomo Pharma and Sumitomo Chemical both fell by at least 4.2% during trading in Tokyo. A spokesperson for Sumitomo Chemical declined to comment on the report, while a spokesperson for Sumitomo Pharma has yet to respond.