Markel Group (NYSE:MKL) reported quarterly losses of $(18.90) per share which missed the analyst consensus estimate of $36.76 by 151.41 percent. This is a 256.46 percent decrease over earnings of $12.08 per share from the same period last year. The company reported quarterly sales of $3.550 billion which missed the analyst consensus estimate of $3.641 billion by 2.51 percent. This is a 4.44 percent increase over sales of $3.399 billion the same period last year.