Thor Industries (THO -14.20%) is sounding the alarm on recreational vehicle (RV) demand, and investors are taking the message to heart. Shares of Thor were down 13% as of 2 p.m. ET Wednesday after the manufacturer missed expectations and lowered full-year guidance. Higher rates lead to inventory cuts Thor is the world's largest RV manufacturer, owner of brands including Airstream, Dutchmen, and Thor Motor Coach. The company earned $0.13 per share in its fiscal second quarter ending Jan. 31 on revenue of$2. ...