[] () a reduction in the number of shares a company trades without any reduction in the total value of all the shares并股，股票合并（在不降低所有股票总价值的情况下，减少公司交易的股票数量）◆The company recently did a 1-for-20 reverse split (= twenty old shares have become one new share).这家公司最近做了一次并股，20 股旧股票合并为 1 股新股票。