A month has gone by since the last earnings report for Edison International (EIX) . Shares have added about 6.7% in that time frame, outperforming the S&P 500.But investors have to be wondering, will the recent positive trend continue leading up to its next earnings release, or is Edison International due for a pullback? Well, first let's take a quick look at the most recent earnings report in order to get a better handle on the recent drivers for Edison International before we dive into how investors and a ...