Federal investigators have arrested an enigmatic Wall Street wiz on insider-trading charges — and incredibly, he claims to be a time-traveler from the year 2256!

Sources 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.

“We don’t believe this guy’s story — he’s either a lunatic or a pathological liar,” says an SEC insider.

“But the fact is, with an initial investment of only $800, in two weeks’ time he had a portfolio valued at over $350 million. Every trade he made capitalized on unexpected business developments, which simply can’t be pure luck. [Yahoo!]