盛达资源：公司今年未开展白银套期保值业务，公司目前未持有白银空头保值头寸，白银价格的上涨未对公司造成损失。

Group 1 - The company has not engaged in silver hedging activities this year [1] - Currently, the company does not hold any short positions in silver hedging [1] - The increase in silver prices has not resulted in any losses for the company [1]