CarMax Inc. /zigman2/quotes/204412041/composite KMX +1.92% said Tuesday it planned to hire 3,700 employees by the end of the year. The used car seller said it was looking for candidates "seeking to build careers," at a time that other retailers were looking to hire seasonal, temporary employees. CarMax, which has a total of more than 27,000 employees, said it was hiring for a variety of positions within its customer experience and digital innovation centers, corporate locations and at more than 220 stores. The company said candidates can start applying for open positions immediately at careers.carmax.com. The stock, which was still inactive in premarket trading, has rallied 36.9% year to date, while the S&P 500 /zigman2/quotes/210599714/realtime SPX -1.89% has gained 16.1%.