FedEx results indicate investors should not expect a quick recovery in the transport sector.FedEx sounded the alarm, and investors in its archrival are taking notice.Shares of United Parcel Service (UPS -2.59%) traded down 3% as of 2 p.m. ET after FedEx missed quarterly expectations and lowered its full-year forecast.Falling in sympathyTransportation companies have been stuck in traffic for the last few years. A surge in shipments after the height of the pandemic gave way to a slowdown as the economy cooled ...