TATT ▼ -0.4% - TAT Technologies Ltd. $TATT TATT TATT - TAT Technologies and Beyond Aero Partner to Advance Thermal Management for Hydrogen-Electric Business Aircraft Program TAT Technologies announced a partnership with Beyond Aero to develop thermal management systems for hydrogen-electric aircraft, but the stock declined 0.4% today despite the strategic collaboration news. 14-SEP-2026 08:00 AM ET