United States v. Patten — Opinion of the Court
“ It well may be that running a corner tends for a time to stimulate competition; but this does not prevent it from being a forbidden restraint, for it also operates to thwart the usual operation of the laws of supply and demand, to withdraw the commodity from the normal current of trade, to enhance the price artificially, to hamper users and consumers in satisfying their needs, and to produce practically the same evils as does the suppression of competition.Of course, the statute does not apply where the trade or commerce affected is purely intrastate. ”
