Shares of Heritage Insurance (HRTG) have been strong performers lately, with the stock up 25.4% over the past month. The stock hit a new 52-week high of $29.1 in the previous session. Heritage Insurance has gained 134.7% since the start of the year compared to the 14.8% move for the Zacks Finance sector and the 7.8% return for the Zacks Insurance - Property and Casualty industry.What's Driving the Outperformance?The stock has a great record of positive earnings surprises, having beaten the Zacks Consensus ...