There was some chatter happened on various SEO community and some of the tools had picked up some fluctuations in the ranking. There was 100% chatter on webmaster tools and Black Hat World forums on which site owners were complaining about not ranking their websites.
Recommendation: Google Response For Reconsideration Request Is Slow
Chatter
Image Source: Search Engine Roundtable
Fluctuations By Some Tools
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SEMRush
Image Source: Search Engine Roundtable
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Cognitive SEO
Image Source: Search Engine Roundtable
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RankRanger
Image Source: Search Engine Roundtable
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Accuranker
Image Source: Search Engine Roundtable
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SERPMetrics
Image Source: Search Engine Roundtable
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Mozcast
Image Source: Search Engine Roundtable
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Algoroo
Image Source: Search Engine Roundtable
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Advanced Web Ranking
Image Source: Search Engine Roundtable
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