The U.S. Mint on Wednesday revealed special quarter-dollar coin designs for the U.S.' 250th birthday featuring pilgrims and former presidents rather than previously floated civil rights themes. Designs considered ahead of next year's anniversary included those focused on abolitionist Frederick Dougl

When most traders were still relying on instinct and discretionary judgment, John R. Taylor Jr. was already building computer-driven models to understand the world’s currency markets. Long before “quant trading” became a dominant force on Wall Street, Taylor quietly pioneered its f