What impressed the traders was that the "Mrs Watanabe" were determined, and whenever the yen strengthened temporarily, they would take the opportunity to buy more foreign assets at low prices. The number of "Mrs Watanabe" waiting in line outside banks and brokers has become a barometer of the trend of the yen. When high-paid foreign exchange traders hesitated, "Mrs. Watanabe" has cashed in profits and started to win the reputation of investment genius. Some professionals began to quietly follow Mrs Watanabe's actions.