Moody's Investors Service reiterated Netflix Inc.'s NFLX, -3.72% Ba1 credit rating, which is the highest non-investment grade, or "junk," rating, following the streaming video company's "weak" first-quarter results reported earlier this week. Netflix stock dropped 3.5% in afternoon trading, putting it on track for the lowest close since January 2018, after plunging 35.1% on Wednesday.