It has been about a month since the last earnings report for NiSource (NI) . Shares have added about 7.6% in that time frame, outperforming the S&P 500.Will the recent positive trend continue leading up to its next earnings release, or is NiSource due for a pullback? 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. NiSource Q2 Earnings Surpass Estimates, Revenues LagNiS ...