Netflix's ad model and sharing crackdown are paying dividends

Ads are adding up for Netflix Inc. in a lucrative way.When the video-streaming giant NFLX, -0.46% reports quarterly results on Jan. 23, advertising will dominate the narrative. The rip-roaring success of Netflix’s new advertising-supported service has already led Oppenheimer analysts to jack up their price target for the stock to $600, the highest among Wall Street analysts.Read more: Netflix buoyed by record stock-price target of $600 on high hopes for ad-supported tier The pace of growth “suggests plenty ...