4. As a result of the increased interest rates and the signal to the market, investors are now concerned that the money they borrowed for free is no longer free and therefore they are unwinding their trades and sending the funds back to Japan
1. For 30 years Japan has 0% interest on their currency.
2. As a result for 30 years investor borrowed YEN at no cost and invested it globally. They invested in T-Bills abroad and a basket of risk assets including the Nasdaq.
4. As a result of the increased interest rates and the signal to the market, investors are now concerned that the money they borrowed for free is no longer free and therefore they are unwinding their trades and sending the funds back to Japan.