TMC Stock Drops as NOAA Opens Public Comment on Deep-Sea Mining Exploration Licenses — What Investors Are Watching on Dec. 23, 2025
TMC the metals company Inc. (NASDAQ: TMC) is having another one of its “this is definitely not a sleepy stock” days. Shares of TMC fell sharply in Tuesday trading (Dec. 23, 2025), even as a major regulatory milestone landed on