Just google what they do when they don't like some trades
I'm not going to waste my time sifting through it to find evidence for a claim you're making.
Make a specific claim of corruption, and provide evidence for it.
Much easier to just go by gut feeling though isn't it.
What now? I'm sure you are going to say that they settled because they were innocent, right? And that they halted trades 'by mistake', not on a purpose