[] (; ) an index (= a system that compares the level of prices, wages, etc. with those of a previous time) that considers the value of each item according to how important it is compared with others加权指数◆A price-weighted index counts changes in the prices of high-priced shares more than changes in the prices of low-priced shares.相对于低价股票的价格变化来说，价格加权指数更多地考虑高价股票的价格变化。◆The Hang Seng Index is a capitalization-weighted index (= a company is given importance according to the value of all its shares).恒生指数是一种以资本市值加权的指数。