Why Is Align Technology (ALGN) Down 21.2% Since Last Earnings Report?

A month has gone by since the last earnings report for Align Technology (ALGN) . Shares have lost about 21.2% in that time frame, underperforming the S&P 500.Will the recent negative trend continue leading up to its next earnings release, or is Align Technology 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. ALGN Q4 Earnings Top Estimates, Revenue ...