 Motorpoint Group PLC LSE:MOTR, OTC:MTPTF raised full-year guidance this morning and was rewarded with a share price fall; then again, there has long been something awry with the valuations of car dealers. Shares in Motorpoint were off 2.2 in afternoon trading at 349p, despite the company posting revenues and profits in the six months to the end of September that set new records. 