CITIC Pacific
Its subsidiary, CITIC Pacific (, now known as CITIC Limited), made unauthorized bets on the foreign currency market in October 2008 and lost HK$14.7 billion (US$1.9 billion, when accounted for in mark-to-market terms). Senior executives such as Financial Controller Chau Chi-Yin and Group Finance Director Leslie Chang resigned. Its stock price plunged 55.1 percent upon the resumption of trade.