Cryptocurrency exchange Coinbase Global Inc (NASDAQ:COIN) announced it will expand to enable users to trade stocks and event contracts tied to real-world outcomes. The move will diversify the company's offerings, as crypto trading competition ramps up.COIN is up 3% to trade at $251.43 at last glance, pushing back above its year-to-date breakeven mark. The security has added more than 31% in the past nine months and is bouncing off a familiar floor at $240, but is still a ways away from its July 18, record h ...