FedEx shares fell 5.8% after it forecast Q1 EPS of $3.40-$4.00, below the $4.06 street view. It warned of a $570 million hit from USPS contract loss and China trade disruption, citing tariff uncertainty. FedEx cut Asia-US capacity by 35% and withheld full-year guidance. Retail sentiment remains extremely bullish, with some eyeing post-dip gains.