No one is making the Bitcoin price is is decided by allot of other things I do not know about. There are some people here on this forum that know precisely how the prise works and stuff.
the exchangers are making the price by using the bots as Mtgox did it in the past. it's so simple
Are you sure? there are a lot of exchanges and a lot of people that have an interest in exchange or mining, it's difficult a "trust" behind it...