Investors interested in Aerospace stocks should always be looking to find the best-performing companies in the group. Is Ducommun (DCO) one of those stocks right now? By taking a look at the stock's year-to-date performance in comparison to its Aerospace peers, we might be able to answer that question.Ducommun is one of 58 individual stocks in the Aerospace sector. Collectively, these companies sit at #5 in the Zacks Sector Rank. The Zacks Sector Rank considers 16 different groups, measuring the average Zac ...