3M Co's shares are trading lower after 3M Belgium announced it is evaluating options to restart its idled PFAS manufacturing processes or to accelerate its discontinuance. This could lead to potential legal costs, fines, and reputational damage for the company. The stock is also affected by concerns about future rate hikes and lower-than-expected initial jobless claims data. The Federal Reserve maintained the federal funds rate within the 5.25% to 5.5% range at its September meeting.