Why Is ZTO Express Cayman (ZTO) Down 13.8% Since Last Earnings Report?

It has been about a month since the last earnings report for ZTO Express (Cayman) Inc. (ZTO) . Shares have lost about 13.8% in that time frame, underperforming the S&P 500.Will the recent negative trend continue leading up to its next earnings release, or is ZTO Express Cayman due for a breakout? Before we dive into how investors and analysts have reacted as of late, let's take a quick look at its most recent earnings report in order to get a better handle on the important catalysts.How Have Estimates Been ...