Have you been paying attention to shares of Mercury General (MCY) ? Shares have been on the move with the stock up 13.5% over the past month. The stock hit a new 52-week high of $74.2 in the previous session. Mercury General has gained 97.9% since the start of the year compared to the 23.8% move for the Zacks Finance sector and the 29.6% return for the Zacks Insurance - Property and Casualty industry.What's Driving the Outperformance?The stock has an impressive record of positive earnings surprises, as it h ...