After hours on Friday determines the exact expiration price. Wouldn't you know, it was exactly 450! All the puts and calls sold at 450 expired worthless... I bet the big banks were selling both the 450 calls and puts like crazy this week..
Golvermant sucks gets their army of ivy league brats together every am at 330 and then decides where they will take the stock. For each stock there is an entire team of them devoted 22hrs a day to studying how to get it where they want it to go. Hedge funds, like the people on here are talking about don't mean squat.
They Don't need any order from the phone, They just put an order in and cancel it 5 seconds later.
Some Hedge Funds cancel 90% of their trades, they move stocks up and down to get a feel for the market.