Not long ago, Netflix (NFLX 1.50%) had investors very worried. Revenue and membership growth decelerated rapidly in 2022 and eventually hit low-single-digit levels. Also weighed down by a sell-off in tech stocks, the stock cratered, falling more than 50% in 2022. However, as Netflix started rolling out its advertising business and began cracking down on users who accessed the service without paying by logging into someone else's account, the narrative quickly turned positive. Shares have risen more than 80% ...