Markel Group's 15-minute chart shows KDJ Death Cross, bearish Marubozu formation.

The 15-minute chart for Markel Group has exhibited a KDJ Death Cross and a Bearish Marubozu pattern as of March 31, 2023 at 14:45. This indicates a shift in the momentum of the stock price towards the downside, with a potential for further decreases. The sellers appear to be in control of the market, and it is likely that bearish momentum will persist.