it is a fact within judicial notice , which courts of justice may not properly overlook or ignore in the interests of truth and justice , that there exists a general feeling on the part of the public that alien participation in the retail trade has been attended by a pernicious and intolerable practices , the mention of a few of which would suffice for our purposes ; that at some time or other they have cornered the market of essential commodities , like corn and rice , creating artificial scarcities to justify and enhance profits to unreasonable proportions ; that they have hoarded essential foods to the inconvenience and prejudice of the consuming public , so much so that the government has had to establish the national rice and corn corporation to save the public from their continuous hoarding practices and tendencies ; that they have violated price control laws , especially on foods and essential commodities , such that the legislature had to enact a law ( sec .