A publicly traded RV retailer based in Illinois reached a $12.5 million settlement with shareholders who alleged the company made false statements to artificially inflate its stock price.The agreement between Camping World Holdings Inc., its current and former executives and the class of plaintiffs, which includes four state pension funds, was filed Thursday in Chicago federal court.It is subject to approval by Chief U.S. District Judge Rebecca R. Pallmeyer.Camping World Inc., a RV and outdoor supply company based in …