Maybe a tiny and well written virus that sort out such trading...

Maybe a tiny and well written virus that sort out such trading pattens, and then inturn attacked and crashed the server of these trading houses each time they entered the market could be in order. Bit of an eye for an eye turnout. Just a thought. Buy the way I battle to send email with an attachment most of the time lol.
When you think about they act like a gaint virus on the whole asx, and yet no regulatory body seems to care, asic will make claytons effort ,and change little if anything.