Shares of Copa Holdings, S.A. (CPA) have not had a good time on the bourses of late, declining in double-digits year to date. The disappointing price performance resulted in CPA underperforming its industry in the said time frame. Additionally, CPA’s price performance compares unfavorably with that of fellow U.S. airline operators United Airlines (UAL) and Alaska Air Group, Inc. (ALK) in the same time frame.YTD Price Comparison Image Source: Zacks Investment ResearchGiven the significant pullback in CPA’s s ...