Investors interested in Transportation stocks should always be looking to find the best-performing companies in the group. Ardmore Shipping (ASC) is a stock that can certainly grab the attention of many investors, but do its recent returns compare favorably to the sector as a whole? Let's take a closer look at the stock's year-to-date performance to find out.Ardmore Shipping is one of 135 companies in the Transportation group. The Transportation group currently sits at #14 within the Zacks Sector Rank. The ...