Shares of Travelers (TRV) have been strong performers lately, with the stock up 8.4% over the past month. The stock hit a new 52-week high of $270.47 in the previous session. Travelers has gained 11.6% since the start of the year compared to the 1.9% move for the Zacks Finance sector and the 13.2% 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 hasn't missed our earnings consensus esti ...