-- Viper Energy (VNOM) reported Q1 earnings late Monday of $0.53 per diluted share, down from $0.62 a year earlier.
Analysts polled by FactSet expected $0.50.
Total operating income in the three months ended March 31 rose to $511 million from $245 million a year earlier.
Analysts surveyed by FactSet expected $499.8 million.