Shares of THOR Industries, Inc. (THO) , the largest manufacturer of recreational vehicles (RVs) in the world, have plunged 11.5% year to date (YTD), underperforming the Zacks Building Products - Mobile Homes and RV Builders industry’s growth of 13.5%. The major causes for the decline were rising challenges in the RV market and increasing investment in automation and innovation strategies, which impacted the company’s margins.Image Source: Zacks Investment ResearchWhat’s Plaguing Thor?In fiscal 2024, THOR’s ...