Goldman, a dyed-in-the-wool trading firm, is grabbing such opportunities with glee, taking business from once ubiquitous but now reeling rivals such as Citigroup and UBS.

• 高盛这家彻头彻尾的金融交易公司，正欣然趁机从以往无处不在，但现在举步蹒跚的竞争对手花旗和瑞银中抢走生意。