The Mexican peso is getting crushed after reports that the FBI is looking into new Hillary Clinton emails.

The currency is down by 1.3% at 19.0919 per dollar as of 1:42 p.m. ET.

"In connection with an unrelated case, the FBI has learned of the existence of emails that appear to be pertinent to the investigation," FBI Director James Comey wrote in a letter to congressional leaders on Friday," FBI Director James Comey wrote in a letter to congressional leaders on Friday.



"The FBI cannot assess whether or not this material may be significant," Comey wrote, adding, "I cannot predict how long it will take us to complete this additional work."

The peso has become something of a gauge on Trump's prospects in the campaign. Currency watchers previously argued that the peso's strengthening after the first debate suggested that Clinton had won.