No, they did the next best thing - took a bunch of iPads "hostage" and then extorted people. No different if Target employees were to go to Best Buy, buy all their stock so no one else can, then resold them at Target for 100 percent markup.
LOL, you're killin me dude! This is EXACTLY what target does except for the 100% markup... they buy up as much stock as they can at a lower price, mark it up and sell it! They aren't 'holding it hostage', they WANT you to buy it.
The thing is that, Target KNOWS that if they set the price at 700 on a model everyone else is selling for 500, people will just go to a different store. Nobody is forcing you to buy the higher priced iPads...there is no coercion going on so this has nothing to do with extortion...