Stem, Inc. (STEM) shares ended the last trading session 8.8% higher at 6.71.Thejumpcameonanimpressivevolumewithahigher−than−averagenumberofshareschanginghandsinthesession.Thiscomparestothestock′s33.76.71. The jump came on an impressive volume with a higher-than-average number of shares changing hands in the session. This compares to the stock's 33.7% loss over the past four weeks.STEM is benefiting from its focus on high-margin software and services, particularly PowerTrack and managed services, along with cost reductions and improved operational efficiency.This company is expected to post quarterly loss of 6.71.Thejumpcameonanimpressivevolumewithahigher−than−averagenumberofshareschanginghandsinthesession.Thiscomparestothestock′s33.73.00 per share in its u ...