Needless to say, if you are in the stock market--whether through your mutual funds, 401k, or other investment routes--you need to move that money into more conservative investments immediately. It is losing large amounts of value on a daily basis.
Here's a good article to get started with:
The movements in the FX market are incredible. One friend just read me something which he has received from an fx trader which said that the only things that anyone desires to own are the US dollar,the Japanese Yen, gold, bottled water and bullets”