Goldman is down from its high before the holidays of 204 and I believe that today would be an ideal day to get back into GS stock. To be honest any holidings in GS are going to be 'safe' and over the long term increase in value. However inorder to maximise your profits you want to be able to enter the market at the best possible time, and while GS is down at 198-199 this signals a good time to gain a few % of profit.
My advice is BUY GS at 198-199 and wait a week or two, then claim your 2-3% profit, or if you want a longer term investment then wait until mid-2007 and re-balance your investment.