Leading up to the peak travel season this summer, Panama-based airlines operator Copa Holdings (CPA) and India-based online travel service company MakeMyTrip Limited (MMYT) are two stocks investors may want to keep an eye on. Here’s a look at why now may be a good time to buy both of these travel-related stocks ahead of their quarterly results on Wednesday, May 15. Copa Holdings Preview Impressive operating margins attributed to low unit cost and healthy travel demand helped Copa Holdings' post- industry-le ...