In the following video, Motley Fool contributor John Reeves takes a close look at Netflix (NFLX -2.98%) to highlight for investors some of the reasons that this stock has been the top performer in the S&P 500 so far this year. John takes a look at Netflix's subscriber base and utilization, and compares it with some of the competition the company faces. Also, John takes a look at the number two and three performers in the S&P year to date, Best Buy (BBY 5.33%) and Advanced Micro Devices (AMD -3.14%).