Shares of Travelers (TRV) have been strong performers lately, with the stock up 6.2% over the past month. The stock hit a new 52-week high of $288.95 in the previous session. Travelers has gained 18.8% since the start of the year compared to the 15.3% move for the Zacks Finance sector and the 9.8% 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 Estimate in each of ...