All precious metals had a really good day on 1/4, with increases across the board.
Tuesday was the first full day session of the new year, and precious metals saw decent gains. The US dollar saw a sharp increase early in the day, which limited the demand for gold and silver. However, the dollar index backed off as the day went on, allowing precious metals buyers to step in. Another factor that helped the metals rally was the US stock indexes beginning to weaken later in the day on Tuesday. The article linked above contains more information about the exact statistics.