Why Is Penumbra (PEN) Down 4.8% Since Last Earnings Report?

It has been about a month since the last earnings report for Penumbra (PEN) . Shares have lost about 4.8% in that time frame, underperforming the S&P 500. Will the recent negative trend continue leading up to its next earnings release, or is Penumbra due for a breakout? Before we dive into how investors and analysts have reacted as of late, let's take a quick look at the most recent earnings report in order to get a better handle on the important catalysts. Penumbra Q1 Earnings Miss, Margins Improve Penumbr ...