Key Takeaways Knight-Swift stock has plunged 27.6% over the year, underperforming the trucking industry's 23.4% decline.Earnings estimates for KNX have been revised lower, reflecting a decline in broker confidence.Knight-Swift expects its third-quarter 2025 adjusted earnings to be in the range of 36-42 cents per share.Shares of Knight-Swift Transportation Holdings Inc. (KNX) have had an unimpressive run in a year. Shares of this company have plunged 27.6% in the same period, underperforming the transportati ...