The Transportation group has plenty of great stocks, but investors should always be looking for companies that are outperforming their peers. Is Diana Shipping (DSX) one of those stocks right now? A quick glance at the company's year-to-date performance in comparison to the rest of the Transportation sector should help us answer this question.Diana Shipping is a member of the Transportation sector. This group includes 133 individual stocks and currently holds a Zacks Sector Rank of #6. The Zacks Sector Rank ...