A combination among the dealers ln a specific commodity, or outside capitalists, for the purpose of buying up the greater portion of that commodity which ls upou the market or may be brought to market, and holding the same back from sale, until the demand shall so far ‘-outrun the llmited supply as to advance the price abnormally. Kirkpatrick v. Bonsall, 72 Pa. 158; wright v. Cudahy, 168 III. 86, 48 N. E. 39; Kent v. Mlltenberger, 13 Mo. App. 506
