Citigroup was recently forced to apologise for a huge trade in European government bonds that disrupted the electronic market and angered European government officials concerned about the effect on liquidity.

• 花旗集团最近被迫因一笔巨额欧洲政府债券交易而道歉，该交易致使该电子市场中断，并惹怒了欧洲的政府官员，这些官员担心花旗的做法会对市场流动性造成不良影响。