THE REBEL WHO OUTSMARTED WALL STREET—THEN GAVE AWAY THE CODE

By Forbes ContributorJoseph Plazo didn’t come from Wall Street. That’s exactly why he was able to beat it.Quezon City, Philippines — A decade ago, Joseph Plazo coded algorithms during brownouts, lit by candles and ambition.A secondhand laptop. A wobbly table. But the simulations ran.He built, in obscurity, a system that sensed emotion before