A month has gone by since the last earnings report for Southwest Gas (SWX) . Shares have lost about 2.4% in that time frame, underperforming the S&P 500. Will the recent negative trend continue leading up to its next earnings release, or is Southwest Gas 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. Southwest Gas Q1 Earnings Miss Estimates, Sale ...