Why Is General Motors (GM) Down 2.5% Since Last Earnings Report?

It has been about a month since the last earnings report for General Motors (GM) . Shares have lost about 2.5% in that time frame, underperforming the S&P 500.Will the recent negative trend continue leading up to its next earnings release, or is General Motors 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 drivers. General Motors Q1 Earnings Top EstimatesGe ...