Prior to today's trading, shares of the holding company for Panama's national airline had lost 3.44% over the past month. This has lagged the Transportation sector's loss of 0.1% and the S&P 500's loss of 1.16% in that time. Investors might also notice recent changes to analyst estimates for Copa Holdings. These revisions typically reflect the latest short-term business trends, which can change frequently. Consequently, upward revisions in estimates express analysts' positivity towards the company's busines ...