Its forecast weighed on Dow component Nike Inc NKE.N shares which fell 3.9%, while Under Armour Inc UAA.N lost 5.0%. However, news of the pause pushed the gauges lower amid nervy trading as Federal Reserve Chair Jerome Powell spoke at a monetary policy panel. Foot Locker's update adds to cautious tone set by other retailers this week, including Target Corp TGT.N, Home Depot Inc HD.N and TJX Companies Inc TJX.N, indicating inflation- wary American consumers tightened their belts.