Applied Materials (NASDAQ:AMAT) shares dipped as much as 3% premarket after the company said in a filing that it received a subpoena from the U.S. Securities and Exchange Commission (SEC) in February.
The subpoena from the SEC requests information relating to certain China customer shipments, according to the company.
AMAT, a supplier of equipment for making semiconductors, also said it received subpoenas from the U.S. Attorney's Office for the District of Massachusetts requesting information related to certain federal award applications.
Applied Materials shares are down 1.9% at the time of writing, trading at $199 per share. The stock closed Tuesday's session down 0.3% at $202.86.