Numbers spool across 5,700 screens as dealers buy and sell swaps, options and much more with counterparts in New York, Hong Kong or Zurich.

• 跳动的数字在5700个屏幕上滚个不停，交易商们正在和远在纽约、香港或苏黎士的同行进行着买卖互换、期权等金融工具的交易。