Why Is Sirius XM (SIRI) Down 10.2% Since Last Earnings Report?

It has been about a month since the last earnings report for Sirius XM (SIRI) . Shares have lost about 10.2% in that time frame, underperforming the S&P 500.Will the recent negative trend continue leading up to its next earnings release, or is Sirius XM 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. Sirius XM Q1 Earnings Beat Estimates, Revenues ...