January 16th News: On January 16th, the yellow phosphorus unit of Qujing Jiuan Economic and Trade Co., Ltd. was shut down. Chempricehub's analysis of yellow phosphorus, with a bullish-bearish score: 1. The shutdown of the yellow phosphorus unit at Qujing Jiuan Economic and Trade Co., Ltd. has led to a reduction in yellow phosphorus supply. With relatively stable demand, the supply shortage is expected to drive up spot prices. Although this event is an isolated action by a single enterprise, it may trigger market concerns over supply tightness, providing favorable support. Therefore, a general positive score of +1 is assigned.