A minute of drama on the floor of the Chicago Mercantile Exchange on June 25, 1968 moved the price of futures in fresh eggs to a level that regulators would later say was artificially high. Their finding marked the first time they penalized a trader for a market manipulation that did not involve a market corner or squeeze or outright fraud. Their analysis would be definitively overturned a half century later, but it posed a fundamental question about financial markets: could they generate artificial prices or do the dynamics of a free market with informed actors inevitably determine the real value of goods and services.