Investors interested in Transportation stocks should always be looking to find the best-performing companies in the group. Is Ardmore Shipping (ASC) one of those stocks right now? Let's take a closer look at the stock's year-to-date performance to find out.Ardmore Shipping is one of 132 companies in the Transportation group. The Transportation group currently sits at #11 within the Zacks Sector Rank. The Zacks Sector Rank considers 16 different groups, measuring the average Zacks Rank of the individual stoc ...