FedEx (FDX)  will give updated insight into the state of the delivery services market this week, with the leader in express shipping set to report results for its fiscal first quarter on Thursday, September 18.Like UPS (UPS) , FedEx has experienced increased pressure on volume and costs as tariffs have weighed on shipping operations and demand.Cross-border shipping has seen pronounced weakness in particular, and Wall Street will be looking for insight from FedEx in regard to how delivery services are faring ...