It was a good start to this critical earnings season if you're a Netflix (NFLX 1.33%) shareholder. Shares of the streaming service soared after a blowout financial update shortly after Tuesday's close. Netflix hit levels it hasn't reached in 24 months. But history can be cruel.The last time Netflix stock traded this high -- two years ago -- it plummeted 70% over the next four months. Did it do enough this time to make sure things can be different this time? Let's go over some of the reasons the stock is mov ...