Shares of Netflix ( NFLX 9.69%) soared after the video streaming company posted strong fourth-quarter results and offered an upbeat outlook. The stock has nearly doubled over the past year, extending a winning streak that has made Netflix one of the past decade's biggest winners with a gain of more than 1,500%.

The average estimate of 11 analysts surveyed by Zacks Investment Research was for earnings of $4.20 per share. The internet video service posted revenue of $10.25 billion in the period, also exceeding Street forecasts.