7月2日电，多晶硅期货主力合约大涨超5%，报34490元/吨。工业硅主力合约上涨3.32%，现报8090元/吨。

Group 1 - The core viewpoint of the article highlights a significant increase in the futures market for polysilicon and industrial silicon, indicating a bullish trend in these commodities [1] - The main contract for polysilicon futures surged over 5%, reaching a price of 34,490 yuan per ton [1] - The main contract for industrial silicon also saw an increase of 3.32%, currently priced at 8,090 yuan per ton [1]