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Economy

Federal regulators have opened an inquiry into so-called "mention markets" on prediction market sites, where people bet millions of dollars on what a speaker may or may not utter.
Erin Hooley/AP Photo/Erin Hooley
/
AP
Betting on what people say is becoming an increasingly popular category of prediction market sites. Now, federal officials have opened a probe examining whether those markets are a magnet for manipulators.
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