Have you been paying attention to shares of Kirby (KEX) ? Shares have been on the move with the stock up 10.1% over the past month. The stock hit a new 52-week high of $88.08 in the previous session. Kirby has gained 12% since the start of the year compared to the 3.1% 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 co ...