Following an earnings and sales beat, Netflix ((NFLX) stock is trading marginally lower. The primary factor dragging the stock down seems to be the weakening stock indexes, because the quarterly earnings report from Netflix was quite exceptional.Revenue in the quarter grew 17% YoY to $9.37 billion, while operating margins expanded from 22% to 27%. Especially impressive was growth in the ads tier membership, which increased subscribers 34% QoQ. With the expansion into live content, management expects even mo ...