By AGMetalminer.com U.S. steel prices hit a bottom at the beginning of December, then began to climb. Hot rolled coil prices rose over 8% from their December low. Meanwhile, plate prices traded down for the first time since September. Overall, the Raw Steels Monthly Metals Index (MMI) rose by 7.98% from December to January. Steelmakers Continue Flat-Rolled Price Hikes Eager to continue the upside momentum, Nucor announced yet another $50 per short ton increase to flat-rolled steel prices. The steelmaker previously raised steel prices…