IDEX Corporation shares are trading higher in extended hours following a quiet regular session that saw the stock under mild pressure alongside broader industrial peers like Xylem and Illinois Tool Works. While the company recently saw institutional interest with Korea Investment Corp disclosing a new position in its latest 13F filing, the after-hours move suggests a specific catalyst released following the close. This upward momentum follows a period where the broader gas and liquid handling sector reported a strong second quarter, with group revenues beating analyst consensus estimates by 2.1 percent.