Image source: TrueCar.The market may have shifted into reverse late last week, but the same couldn't be said about TrueCar (NASDAQ: TRUE). The lead generator for auto dealers saw its stock soar 10% on the week, one of the market's few winners after Thursday night's jarring Brexit vote results smacked the global markets on Friday.TrueCar's stock moved higher after an encouraging report by the company on Wednesday painted a portrait of favorable auto sales through June.