Riot Platforms (NASDAQ:RIOT) produced 516 bitcoins in December, up 4% from 495 bitcoins produced in November, but down 17% from 619 bitcoins produced in December 2023. As of month-end, the company held 17,722 bitcoins, including 5,784 bitcoins acquired in December 2024. That represents a 141% growth in bitcoin held compared to the end of 2023. Avg….