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Coincidentally, I noticed that there were new legal filings in that case on March 22 and Mar 23 (2021). I don't have access to actually read the documents, but apparently the case is still grinding away in court.

I suppose that could have been related to the unusually high trading volume on those days, but I sort-of doubt it.

They all happening at around the same time, few times round now, and its hard for me to doubt that they're not correlate to each other.

You might be right. It certainly seems like there's more going on than just market noise at the moment...