多晶硅主力合约短线下挫，现跌超5%

Group 1 - The core point of the news is that the main contract for polysilicon has experienced a short-term decline, dropping over 5% to a price of 48,685 yuan per ton [1] Group 2 - The decline in polysilicon prices indicates potential volatility in the market, which could impact companies involved in the solar energy sector [1] - The price movement may reflect broader trends in supply and demand dynamics within the polysilicon industry [1]