It is true that there can be a manipulation by collusion case since they are all independent traders. But their volume was a drop in the daily volume, so I don't know...
This is reminding me a lot of Brian Hunter's massive trades to manipulate insane gas prices, and the blow-up of two separate hedge funds, including Amaranth.
Manipulation by collusion.Exactly what they face. But their volume was actually a good chunk of the total during the drop. The plaintiff has lost 90 K, which is a joke. Really interested to see out it turns out. https://www.thetimes.co.uk/article/uncle-sams-army-comes-knocking-for-the-essex-boys-bk6gjdhp7