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That could well be the case.
Here is the transaction: https://steemworld.org/block/86545345/86545345-0
Then the PowerUp: https://steemworld.org/block/86545596/86545596-3

As a result, h4lab.witness has reached the top 20.

Yes, I think you solved this riddle 😀.

"Buy when there's blood in the streets." 😉