Yet a world without such speculators would be a poorer one.
Speculators speculate more, hedgers hedge more.
Therefore, these credentials could rule out those speculators without sufficient socioeconomic resources or those without a good reputation.
However, the shadow business secretary, Chuka Umunna, said on Wednesday: "It's disgraceful the government is rushing to dump its stake in Royal Mail to City speculators without giving ordinary investors a look in.
Speculators will speculate.
Finally, there can be no more doubts now, in February, when Greece is being attacked by speculators without the Commission being able to present a credible rescue plan.
It is this commitment to intervene without limit that has cowed speculators hoping to profit from bond-market distress.
Whitney says it's not unusual for a new industry to attract speculators and people without much business savvy.
Deutsche Bank calculates that cadmium, a rare metal, has appreciated twice as much as oil since 2001, for example, and the price of rice has risen fractionally more.Investment can flood into the oil market without driving up prices because speculators are not buying any actual crude.
