ok, i am biting, then who?? and please do not say the MM's, they make money on commission... and do not say the management, they only make money on the spread as well, just like you or I did.. Even if half the shares were from their own private stash(which is hardly unlikely), they only made half that number you are inferring... more to the truth, they may have made some money, yes, but the MM's have thier own personal stash they trade privately themselves, note holders, traders like myself, etc.. so still curious on who made that big dime you are mentioning.....
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