MKL ▼ -0.2% - Markel Group Inc. $MKL - Markel announces collaboration with Midwest General Insurance Agency to expand small business workers compensation offering in California Markel announced a collaboration with Midwest General Insurance Agency to expand its small business workers' compensation offering in California, though the stock declined 0.2% today. The modest partnership announcement was insufficient to drive investor enthusiasm for the shares on the day of disclosure. 04-SEP-2026 08:00 AM ET