Shares of International Seaways (INSW) have been strong performers lately, with the stock up 2.5% over the past month. The stock hit a new 52-week high of $55.67 in the previous session. International Seaways has gained 22.1% since the start of the year compared to the -1% move for the Zacks Transportation sector and the 7.2% return for the Zacks Transportation - Shipping industry.What's Driving the Outperformance?The stock has a great record of positive earnings surprises, as it hasn't missed our earnings ...