to cover!! Review the trading pattern and volumes and see it for yourself!!!!!
I think it is more complicated than that.
I think hedge funds are battling against High Frequency Trading (HFT) computers.
Watch out!! There's a terrorist in the closet and a communist in the attic, "mruyog". ...and they're both out to get you.
Oh no. Here comes all of the wacky conspiracies. Naked short, MMs dropping the price for the big boys to get in.... yada yada yada