Singh was the chief engineer for a major exchange. It's his job to know better than this. If the chief engineer for NASDAQ put in a backdoor to allow a market

Singh was the chief engineer for a major exchange. It's his job to know better than this. If the chief engineer for NASDAQ put in a backdoor to allow a market maker unlimited margin, would you assume they just figured it was legit because someone said so? He knows how markets work too well for a defense like that.