A rather, um, incredible story from the Weekly World News:

"Time traveler" busted for insider tradingSources at the Security and Exchange Commission confirm that 44-year-old Andrew Carlssin offered the bizarre explanation for his uncanny success in the stock market after being led off in handcuffs on January 28....

Carlssin declared that he had traveled back in time from over 200 years in the future, when it is common knowledge that our era experienced one of the worst stock plunges in history. Yet anyone armed with knowledge of the handful of stocks destined to go through the roof could make a fortune.... [read all]

I don't believe the story has been accurately reported, but it's certainly entertaining.