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
Google Fires 28 Workers Protesting Billion-Dollar Israeli Cloud Contract
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The protesting workers said their demonstrations were peaceful and pushed
back against Google’s claims that they defaced office property and impeded
the wo...
15 minutes ago