Generac Holdings Inc. (GNRC) stock has surged 35.2% in the past six months compared with the S&P 500’s growth of 10.6%, respectively.Image Source: Zacks Investment ResearchHowever, it has underperformed the sub-industry’s rally of 39.4% in the past six months. While peers like Enphase (ENPH) and Cummins (CMI) have gained 0.9% and 15%, Acuity Brands’ (AYI) shares have dropped 0.7% in the past six months.GNRC is currently trading at a nearly 10% discount to its 52-week high of $169.57, reached on Jul 31, 2024 ...