The transportation sector was jolted by weak results of bellwether United Parcel Service (UPS) on Jul 23, which dampened investors’ mood and compelled them to be cautious about the stock and the broader sector.UPS Soft Q2 EarningsThe world's largest package delivery company returned to volume growth in the United States during the second quarter for the first time in nine quarters but failed to deliver enough on a turnaround plan to cut costs and increase volumes (see: all the Industrials ETFs here). The co ...