在市场的左右摇摆之间，投资者仿佛坐上了过山车，而欧洲危机（更令人困惑、更大起大落）进一步加剧了乘客的头晕反应。
In the process, markets take investors on a wild rollercoaster ride, with the European crisis (riddled with even more confusion and volatility) serving to aggravate their queasiness.