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
FC Barcelona Freezes Finding New Coach Amid Xavi Continuation Likelihood,
Reports SPORT
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FC Barcelona has put its quest to find a new head coach on hold, with the
"Xavi option" still alive according to the Catalan media.
6 minutes ago