如果股市跌了两成，原来的投资贬值到32元，总财富也减到92元；储蓄和股票投资的比例因此变成65%和35%。

• If the stock market falls by 20%25,your initial %2440 investment is now worth %2432 and your wealth has dropped to %2492,i.e. %2460 in savings (65%25) and %2432 in stocks (35%25).