原因之一就是纽约证券交易所(NYSE)已经和欧洲证券市场合并形成泛欧洲地区交易经营，这使得纽约证券交易所通过泛欧洲交易所的衍生品市场扩展进入这些资金市场。

One reason the New York Stock exchange (NYSE) is merging with Euronext, a pan-European exchange operator, is to expand into these asset classes through Euronext's Liffe derivatives market.

youdao

金管局又利用即时支付结算系统的功能，把货银两讫结算服务由债务证券交易扩展至股票交易上。实现计划。

Building upon the capability of the RTGS system, the HKMA has extended the Delivery versus Payment facility for debt securities transaction to share transactions.

youdao