Streaming media stocks tumbled in premarket trading, with Roku falling nearly 7% and Disney falling over 4%.Netflix said in its quarterly letter to investors: "Paid net additions were -0.2m compared against our guidance forecast of 2.5m and 4.0m in the same quarter a year ago. The suspension of our service in Russia and winding-down of all Russian paid memberships resulted in a -0.7m impact on paid net adds; excluding this impact, paid net additions totaled +0.5m. The main challenge for membership growth is continued soft acquisition across all regions. Retention was also slightly lower relative to our guidance forecast, although it remains at a very healthy level (we believe among the best in the industry). Recent price changes are largely tracking in-line with our expectations and remain significantly revenue positive."