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

By Forbes ContributorHe wasn’t from the finance elite. That’s how he beat them all.Quezon City, Philippines — A decade ago, Joseph Plazo coded algorithms during brownouts, lit by candles and ambition.The laptop was old. The electricity, unstable. But his resolve didn’t flicker.He built, in obscurity, a system that sensed emotion before mark