Union Pacific Corporation’s (UNP) fourth-quarter 2023 earnings of $2.71 per share beat the Zacks Consensus Estimate of $2.56. The bottom line improved 1.5% on a year-over-year basis.Operating revenues of $6,159 million also beat the Zacks Consensus Estimate of $6,108.7 million. The top line was flat on a year-over-year basis on the back of increased volume and core pricing gains offset by reduced fuel surcharge revenue and business mix.Freight revenues, accounting for 94.2% of the top line, increased 1% to ...