The outlook for the rest of the year disappointed investors.Rev Group (REVG -10.68%) topped Wall Street earnings expectations for the most recent quarter but lowered its outlook for the full year. Investors are focused on the bad news to come, sending shares of Rev down 14% as of 10 a.m. ET.A recreational slowdownRev is a maker of recreational vehicles (RVs) and specialty trucks including ambulances and other public-service vehicles. The company earned $0.48 per share in its fiscal third quarter ending July ...