It has been about a month since the last earnings report for Apellis Pharmaceuticals, Inc. (APLS) . Shares have lost about 1.9% in that time frame, underperforming the S&P 500.Will the recent negative trend continue leading up to its next earnings release, or is Apellis Pharmaceuticals 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. Apellis’ Q1 Ea ...