Block's fourth-quarter earnings and revenue missed Wall Street estimates, causing its stock to drop over 7 in extended trading. Revenue increased by over  4, and gross profit increased by 14 from a year earlier. The company is an early leader in point-of-sale systems for small businesses and faces growing competition. Block expects 15 gross profit growth this year, and forecasts adjusted operating income with a more than 20 margin. Block has expanded beyond point-of-sale transactions into lending and financial services and integrated Afterpay into Cash App and Square’s ecosystem.