各大银行的股票市值下降了两倍多的翻译：Shares of major banks fell twice times 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Value of the shares of major banks fell by more than double

Shares of major banks fell twice times

Each big bank stock market value dropped more than two times

major banks in value of the stock market has fallen by more than two-fold

Shares of major banks fell twice times