There's loads of things to worry about if you are a bear such as valuations, China, US yield curve flattening, economic woes in Europe, the recent collapse in freight rates etc. Here is an apt summary of these views from the pro's:
Things to Worry About as a Bear
Not Enough Of You Are Watching Netflix’s Best Complete Show Added This Year
-
Netflix frequently licenses content from other sources, and that often can
turn into big hits for the service. But this show deserves better.
26 minutes ago